#include "avcodec.h"
#include "common.h"
#include "dsputil.h"
-#include "cabac.h"
+
+#include "rangecoder.h"
+#define MID_STATE 128
#include "mpegvideo.h"
#define MAX_DECOMPOSITIONS 8
#define MAX_PLANES 4
#define DWTELEM int
-#define QROOT 8
+#define QSHIFT 5
+#define QROOT (1<<QSHIFT)
+#define LOSSLESS_QLOG -128
+#define FRAC_BITS 8
static const int8_t quant3[256]={
0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
};
+static const int8_t quant3bA[256]={
+ 0, 0, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
+ 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
+ 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
+ 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
+ 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
+ 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
+ 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
+ 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
+ 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
+ 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
+ 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
+ 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
+ 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
+ 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
+ 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
+ 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
+};
static const int8_t quant5[256]={
0, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
-4,-4,-4,-4,-4,-4,-4,-4,-4,-3,-3,-3,-3,-2,-2,-1,
};
-#define OBMC_MAX 64
+#define LOG2_OBMC_MAX 6
+#define OBMC_MAX (1<<(LOG2_OBMC_MAX))
#if 0 //64*cubic
static const uint8_t obmc32[1024]={
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
};
#endif
+//linear *64
+static const uint8_t obmc8[64]={
+ 1, 3, 5, 7, 7, 5, 3, 1,
+ 3, 9,15,21,21,15, 9, 3,
+ 5,15,25,35,35,25,15, 5,
+ 7,21,35,49,49,35,21, 7,
+ 7,21,35,49,49,35,21, 7,
+ 5,15,25,35,35,25,15, 5,
+ 3, 9,15,21,21,15, 9, 3,
+ 1, 3, 5, 7, 7, 5, 3, 1,
+//error:0.000000
+};
+
+//linear *64
+static const uint8_t obmc4[16]={
+ 4,12,12, 4,
+12,36,36,12,
+12,36,36,12,
+ 4,12,12, 4,
+//error:0.000000
+};
+
+static const uint8_t *obmc_tab[4]={
+ obmc32, obmc16, obmc8, obmc4
+};
+
+typedef struct BlockNode{
+ int16_t mx;
+ int16_t my;
+ uint8_t color[3];
+ uint8_t type;
+//#define TYPE_SPLIT 1
+#define BLOCK_INTRA 1
+#define BLOCK_OPT 2
+//#define TYPE_NOCOLOR 4
+ uint8_t level; //FIXME merge into type?
+}BlockNode;
+
+static const BlockNode null_block= { //FIXME add border maybe
+ .color= {128,128,128},
+ .mx= 0,
+ .my= 0,
+ .type= 0,
+ .level= 0,
+};
+
+#define LOG2_MB_SIZE 4
+#define MB_SIZE (1<<LOG2_MB_SIZE)
+
+typedef struct x_and_coeff{
+ int16_t x;
+ uint16_t coeff;
+} x_and_coeff;
typedef struct SubBand{
int level;
int height;
int qlog; ///< log(qscale)/log[2^(1/6)]
DWTELEM *buf;
+ int buf_x_offset;
+ int buf_y_offset;
+ int stride_line; ///< Stride measured in lines, not pixels.
+ x_and_coeff * x_coeff;
struct SubBand *parent;
uint8_t state[/*7*2*/ 7 + 512][32];
}SubBand;
SubBand band[MAX_DECOMPOSITIONS][4];
}Plane;
+/** Used to minimize the amount of memory used in order to optimize cache performance. **/
+typedef struct {
+ DWTELEM * * line; ///< For use by idwt and predict_slices.
+ DWTELEM * * data_stack; ///< Used for internal purposes.
+ int data_stack_top;
+ int line_count;
+ int line_width;
+ int data_count;
+ DWTELEM * base_buffer; ///< Buffer that this structure is caching.
+} slice_buffer;
+
typedef struct SnowContext{
// MpegEncContext m; // needed for motion estimation, should not be used for anything else, the idea is to make the motion estimation eventually independant of MpegEncContext, so this will be removed then (FIXME/XXX)
AVCodecContext *avctx;
- CABACContext c;
+ RangeCoder c;
DSPContext dsp;
- AVFrame input_picture;
+ AVFrame new_picture;
+ AVFrame input_picture; ///< new_picture with the internal linesizes
AVFrame current_picture;
AVFrame last_picture;
AVFrame mconly_picture;
// uint8_t q_context[16];
uint8_t header_state[32];
+ uint8_t block_state[128 + 32*128];
int keyframe;
+ int always_reset;
int version;
int spatial_decomposition_type;
int temporal_decomposition_type;
int spatial_decomposition_count;
int temporal_decomposition_count;
DWTELEM *spatial_dwt_buffer;
- DWTELEM *pred_buffer;
int colorspace_type;
int chroma_h_shift;
int chroma_v_shift;
int spatial_scalability;
int qlog;
+ int lambda;
+ int lambda2;
int mv_scale;
int qbias;
#define QBIAS_SHIFT 3
- int b_width; //FIXME remove?
- int b_height; //FIXME remove?
+ int b_width;
+ int b_height;
+ int block_max_depth;
Plane plane[MAX_PLANES];
- SubBand mb_band;
- SubBand mv_band[2];
-
- uint16_t *mb_type;
- uint8_t *mb_mean;
- uint32_t *dummy;
- int16_t (*motion_val8)[2];
- int16_t (*motion_val16)[2];
+ BlockNode *block;
+#define ME_CACHE_SIZE 1024
+ int me_cache[ME_CACHE_SIZE];
+ int me_cache_generation;
+ slice_buffer sb;
+
MpegEncContext m; // needed for motion estimation, should not be used for anything else, the idea is to make the motion estimation eventually independant of MpegEncContext, so this will be removed then (FIXME/XXX)
}SnowContext;
-#define QEXPSHIFT 7 //FIXME try to change this to 0
-static const uint8_t qexp[8]={
- 128, 140, 152, 166, 181, 197, 215, 235
-// 64, 70, 76, 83, 91, 99, 108, 117
-// 32, 35, 38, 41, 45, 49, 54, 59
-// 16, 17, 19, 21, 23, 25, 27, 29
-// 8, 9, 10, 10, 11, 12, 13, 15
-};
+typedef struct {
+ DWTELEM *b0;
+ DWTELEM *b1;
+ DWTELEM *b2;
+ DWTELEM *b3;
+ int y;
+} dwt_compose_t;
+
+#define slice_buffer_get_line(slice_buf, line_num) ((slice_buf)->line[line_num] ? (slice_buf)->line[line_num] : slice_buffer_load_line((slice_buf), (line_num)))
+//#define slice_buffer_get_line(slice_buf, line_num) (slice_buffer_load_line((slice_buf), (line_num)))
+
+static void iterative_me(SnowContext *s);
+
+static void slice_buffer_init(slice_buffer * buf, int line_count, int max_allocated_lines, int line_width, DWTELEM * base_buffer)
+{
+ int i;
+
+ buf->base_buffer = base_buffer;
+ buf->line_count = line_count;
+ buf->line_width = line_width;
+ buf->data_count = max_allocated_lines;
+ buf->line = (DWTELEM * *) av_mallocz (sizeof(DWTELEM *) * line_count);
+ buf->data_stack = (DWTELEM * *) av_malloc (sizeof(DWTELEM *) * max_allocated_lines);
+
+ for (i = 0; i < max_allocated_lines; i++)
+ {
+ buf->data_stack[i] = (DWTELEM *) av_malloc (sizeof(DWTELEM) * line_width);
+ }
+
+ buf->data_stack_top = max_allocated_lines - 1;
+}
+
+static DWTELEM * slice_buffer_load_line(slice_buffer * buf, int line)
+{
+ int offset;
+ DWTELEM * buffer;
+
+// av_log(NULL, AV_LOG_DEBUG, "Cache hit: %d\n", line);
+
+ assert(buf->data_stack_top >= 0);
+// assert(!buf->line[line]);
+ if (buf->line[line])
+ return buf->line[line];
+
+ offset = buf->line_width * line;
+ buffer = buf->data_stack[buf->data_stack_top];
+ buf->data_stack_top--;
+ buf->line[line] = buffer;
+
+// av_log(NULL, AV_LOG_DEBUG, "slice_buffer_load_line: line: %d remaining: %d\n", line, buf->data_stack_top + 1);
+
+ return buffer;
+}
+
+static void slice_buffer_release(slice_buffer * buf, int line)
+{
+ int offset;
+ DWTELEM * buffer;
+
+ assert(line >= 0 && line < buf->line_count);
+ assert(buf->line[line]);
+
+ offset = buf->line_width * line;
+ buffer = buf->line[line];
+ buf->data_stack_top++;
+ buf->data_stack[buf->data_stack_top] = buffer;
+ buf->line[line] = NULL;
+
+// av_log(NULL, AV_LOG_DEBUG, "slice_buffer_release: line: %d remaining: %d\n", line, buf->data_stack_top + 1);
+}
+
+static void slice_buffer_flush(slice_buffer * buf)
+{
+ int i;
+ for (i = 0; i < buf->line_count; i++)
+ {
+ if (buf->line[i])
+ {
+// av_log(NULL, AV_LOG_DEBUG, "slice_buffer_flush: line: %d \n", i);
+ slice_buffer_release(buf, i);
+ }
+ }
+}
+
+static void slice_buffer_destroy(slice_buffer * buf)
+{
+ int i;
+ slice_buffer_flush(buf);
+
+ for (i = buf->data_count - 1; i >= 0; i--)
+ {
+ assert(buf->data_stack[i]);
+ av_free(buf->data_stack[i]);
+ }
+ assert(buf->data_stack);
+ av_free(buf->data_stack);
+ assert(buf->line);
+ av_free(buf->line);
+}
+
+#ifdef __sgi
+// Avoid a name clash on SGI IRIX
+#undef qexp
+#endif
+#define QEXPSHIFT (7-FRAC_BITS+8) //FIXME try to change this to 0
+static uint8_t qexp[QROOT];
static inline int mirror(int v, int m){
- if (v<0) return -v;
- else if(v>m) return 2*m-v;
- else return v;
+ while((unsigned)v > (unsigned)m){
+ v=-v;
+ if(v<0) v+= 2*m;
+ }
+ return v;
}
-static inline void put_symbol(CABACContext *c, uint8_t *state, int v, int is_signed){
+static inline void put_symbol(RangeCoder *c, uint8_t *state, int v, int is_signed){
int i;
if(v){
const int a= ABS(v);
const int e= av_log2(a);
#if 1
- const int el= FFMIN(e, 10);
- put_cabac(c, state+0, 0);
+ const int el= FFMIN(e, 10);
+ put_rac(c, state+0, 0);
for(i=0; i<el; i++){
- put_cabac(c, state+1+i, 1); //1..10
+ put_rac(c, state+1+i, 1); //1..10
}
for(; i<e; i++){
- put_cabac(c, state+1+9, 1); //1..10
+ put_rac(c, state+1+9, 1); //1..10
}
- put_cabac(c, state+1+FFMIN(i,9), 0);
+ put_rac(c, state+1+FFMIN(i,9), 0);
for(i=e-1; i>=el; i--){
- put_cabac(c, state+22+9, (a>>i)&1); //22..31
+ put_rac(c, state+22+9, (a>>i)&1); //22..31
}
for(; i>=0; i--){
- put_cabac(c, state+22+i, (a>>i)&1); //22..31
+ put_rac(c, state+22+i, (a>>i)&1); //22..31
}
if(is_signed)
- put_cabac(c, state+11 + el, v < 0); //11..21
+ put_rac(c, state+11 + el, v < 0); //11..21
#else
-
- put_cabac(c, state+0, 0);
+
+ put_rac(c, state+0, 0);
if(e<=9){
for(i=0; i<e; i++){
- put_cabac(c, state+1+i, 1); //1..10
+ put_rac(c, state+1+i, 1); //1..10
}
- put_cabac(c, state+1+i, 0);
+ put_rac(c, state+1+i, 0);
for(i=e-1; i>=0; i--){
- put_cabac(c, state+22+i, (a>>i)&1); //22..31
+ put_rac(c, state+22+i, (a>>i)&1); //22..31
}
if(is_signed)
- put_cabac(c, state+11 + e, v < 0); //11..21
+ put_rac(c, state+11 + e, v < 0); //11..21
}else{
for(i=0; i<e; i++){
- put_cabac(c, state+1+FFMIN(i,9), 1); //1..10
+ put_rac(c, state+1+FFMIN(i,9), 1); //1..10
}
- put_cabac(c, state+1+FFMIN(i,9), 0);
+ put_rac(c, state+1+FFMIN(i,9), 0);
for(i=e-1; i>=0; i--){
- put_cabac(c, state+22+FFMIN(i,9), (a>>i)&1); //22..31
+ put_rac(c, state+22+FFMIN(i,9), (a>>i)&1); //22..31
}
if(is_signed)
- put_cabac(c, state+11 + FFMIN(e,10), v < 0); //11..21
+ put_rac(c, state+11 + FFMIN(e,10), v < 0); //11..21
}
#endif
}else{
- put_cabac(c, state+0, 1);
+ put_rac(c, state+0, 1);
}
}
-static inline int get_symbol(CABACContext *c, uint8_t *state, int is_signed){
- if(get_cabac(c, state+0))
+static inline int get_symbol(RangeCoder *c, uint8_t *state, int is_signed){
+ if(get_rac(c, state+0))
return 0;
else{
- int i, e, a, el;
- //FIXME try to merge loops with FFMIN() maybe they are equally fast and they are surly cuter
- for(e=0; e<10; e++){
- if(get_cabac(c, state + 1 + e)==0) // 1..10
- break;
- }
- el= e;
-
- if(e==10){
- while(get_cabac(c, state + 1 + 9)) //10
- e++;
+ int i, e, a;
+ e= 0;
+ while(get_rac(c, state+1 + FFMIN(e,9))){ //1..10
+ e++;
}
+
a= 1;
- for(i=e-1; i>=el; i--){
- a += a + get_cabac(c, state+22+9); //31
- }
- for(; i>=0; i--){
- a += a + get_cabac(c, state+22+i); //22..31
+ for(i=e-1; i>=0; i--){
+ a += a + get_rac(c, state+22 + FFMIN(i,9)); //22..31
}
- if(is_signed && get_cabac(c, state+11 + el)) //11..21
+ if(is_signed && get_rac(c, state+11 + FFMIN(e,10))) //11..21
return -a;
else
return a;
}
}
+static inline void put_symbol2(RangeCoder *c, uint8_t *state, int v, int log2){
+ int i;
+ int r= log2>=0 ? 1<<log2 : 1;
+
+ assert(v>=0);
+ assert(log2>=-4);
+
+ while(v >= r){
+ put_rac(c, state+4+log2, 1);
+ v -= r;
+ log2++;
+ if(log2>0) r+=r;
+ }
+ put_rac(c, state+4+log2, 0);
+
+ for(i=log2-1; i>=0; i--){
+ put_rac(c, state+31-i, (v>>i)&1);
+ }
+}
+
+static inline int get_symbol2(RangeCoder *c, uint8_t *state, int log2){
+ int i;
+ int r= log2>=0 ? 1<<log2 : 1;
+ int v=0;
+
+ assert(log2>=-4);
+
+ while(get_rac(c, state+4+log2)){
+ v+= r;
+ log2++;
+ if(log2>0) r+=r;
+ }
+
+ for(i=log2-1; i>=0; i--){
+ v+= get_rac(c, state+31-i)<<i;
+ }
+
+ return v;
+}
+
static always_inline void lift(DWTELEM *dst, DWTELEM *src, DWTELEM *ref, int dst_step, int src_step, int ref_step, int width, int mul, int add, int shift, int highpass, int inverse){
const int mirror_left= !highpass;
const int mirror_right= (width&1) ^ highpass;
dst += dst_step;
src += src_step;
}
-
+
for(i=0; i<w; i++){
dst[i*dst_step] = LIFT(src[i*src_step], ((mul*(ref[i*ref_step] + ref[(i+1)*ref_step])+add)>>shift), inverse);
}
-
+
if(mirror_right){
dst[w*dst_step] = LIFT(src[w*src_step], ((mul*2*ref[w*ref_step]+add)>>shift), inverse);
}
dst += dst_step;
src += src_step;
}
-
+
for(i=0; i<w; i++){
int r= 3*(ref[i*ref_step] + ref[(i+1)*ref_step]);
r += r>>4;
r += r>>8;
dst[i*dst_step] = LIFT(src[i*src_step], ((r+add)>>shift), inverse);
}
-
+
if(mirror_right){
int r= 3*2*ref[w*ref_step];
r += r>>4;
}
}
+static always_inline void liftS(DWTELEM *dst, DWTELEM *src, DWTELEM *ref, int dst_step, int src_step, int ref_step, int width, int mul, int add, int shift, int highpass, int inverse){
+ const int mirror_left= !highpass;
+ const int mirror_right= (width&1) ^ highpass;
+ const int w= (width>>1) - 1 + (highpass & width);
+ int i;
+
+ assert(shift == 4);
+#define LIFTS(src, ref, inv) ((inv) ? (src) - (((ref) - 4*(src))>>shift): (16*4*(src) + 4*(ref) + 8 + (5<<27))/(5*16) - (1<<23))
+ if(mirror_left){
+ dst[0] = LIFTS(src[0], mul*2*ref[0]+add, inverse);
+ dst += dst_step;
+ src += src_step;
+ }
+
+ for(i=0; i<w; i++){
+ dst[i*dst_step] = LIFTS(src[i*src_step], mul*(ref[i*ref_step] + ref[(i+1)*ref_step])+add, inverse);
+ }
+
+ if(mirror_right){
+ dst[w*dst_step] = LIFTS(src[w*src_step], mul*2*ref[w*ref_step]+add, inverse);
+ }
+}
+
-static void inplace_lift(int *dst, int width, int *coeffs, int n, int shift, int start, int inverse){
+static void inplace_lift(DWTELEM *dst, int width, int *coeffs, int n, int shift, int start, int inverse){
int x, i;
-
+
for(x=start; x<width; x+=2){
int64_t sum=0;
}
}
-static void inplace_liftV(int *dst, int width, int height, int stride, int *coeffs, int n, int shift, int start, int inverse){
+static void inplace_liftV(DWTELEM *dst, int width, int height, int stride, int *coeffs, int n, int shift, int start, int inverse){
int x, y, i;
for(y=start; y<height; y+=2){
for(x=0; x<width; x++){
int64_t sum=0;
-
+
for(i=0; i<n; i++){
int y2= y + 2*i - n + 1;
if (y2< 0) y2= -y2;
#define N4 0
#define SHIFT4 0
#define COEFFS4 NULL
-#elif 1 // 11/5
+#elif 1 // 11/5
#define N1 0
#define SHIFT1 1
#define COEFFS1 NULL
#define SHIFT4 1
#define COEFFS4 NULL
#endif
-static void horizontal_decomposeX(int *b, int width){
- int temp[width];
+static void horizontal_decomposeX(DWTELEM *b, int width){
+ DWTELEM temp[width];
const int width2= width>>1;
const int w2= (width+1)>>1;
- int A1,A2,A3,A4, x;
+ int x;
inplace_lift(b, width, COEFFS1, N1, SHIFT1, LX1, 0);
inplace_lift(b, width, COEFFS2, N2, SHIFT2, LX0, 0);
inplace_lift(b, width, COEFFS3, N3, SHIFT3, LX1, 0);
inplace_lift(b, width, COEFFS4, N4, SHIFT4, LX0, 0);
-
+
for(x=0; x<width2; x++){
temp[x ]= b[2*x ];
temp[x+w2]= b[2*x + 1];
memcpy(b, temp, width*sizeof(int));
}
-static void horizontal_composeX(int *b, int width){
- int temp[width];
+static void horizontal_composeX(DWTELEM *b, int width){
+ DWTELEM temp[width];
const int width2= width>>1;
- int A1,A2,A3,A4, x;
+ int x;
const int w2= (width+1)>>1;
memcpy(temp, b, width*sizeof(int));
inplace_lift(b, width, COEFFS1, N1, SHIFT1, LX1, 1);
}
-static void spatial_decomposeX(int *buffer, int width, int height, int stride){
+static void spatial_decomposeX(DWTELEM *buffer, int width, int height, int stride){
int x, y;
-
+
for(y=0; y<height; y++){
for(x=0; x<width; x++){
buffer[y*stride + x] *= SCALEX;
for(y=0; y<height; y++){
horizontal_decomposeX(buffer + y*stride, width);
}
-
+
inplace_liftV(buffer, width, height, stride, COEFFS1, N1, SHIFT1, LX1, 0);
inplace_liftV(buffer, width, height, stride, COEFFS2, N2, SHIFT2, LX0, 0);
inplace_liftV(buffer, width, height, stride, COEFFS3, N3, SHIFT3, LX1, 0);
- inplace_liftV(buffer, width, height, stride, COEFFS4, N4, SHIFT4, LX0, 0);
+ inplace_liftV(buffer, width, height, stride, COEFFS4, N4, SHIFT4, LX0, 0);
}
-static void spatial_composeX(int *buffer, int width, int height, int stride){
+static void spatial_composeX(DWTELEM *buffer, int width, int height, int stride){
int x, y;
-
+
inplace_liftV(buffer, width, height, stride, COEFFS4, N4, SHIFT4, LX0, 1);
inplace_liftV(buffer, width, height, stride, COEFFS3, N3, SHIFT3, LX1, 1);
inplace_liftV(buffer, width, height, stride, COEFFS2, N2, SHIFT2, LX0, 1);
}
}
-static void horizontal_decompose53i(int *b, int width){
- int temp[width];
+static void horizontal_decompose53i(DWTELEM *b, int width){
+ DWTELEM temp[width];
const int width2= width>>1;
- int A1,A2,A3,A4, x;
+ int x;
const int w2= (width+1)>>1;
for(x=0; x<width2; x++){
if(width&1)
temp[x ]= b[2*x ];
#if 0
+ {
+ int A1,A2,A3,A4;
A2= temp[1 ];
A4= temp[0 ];
A1= temp[0+width2];
A2 += (A1 + A3 + 2)>>2;
b[width -1] = A3;
b[width2-1] = A2;
-#else
+ }
+#else
lift(b+w2, temp+w2, temp, 1, 1, 1, width, -1, 0, 1, 1, 0);
lift(b , temp , b+w2, 1, 1, 1, width, 1, 2, 2, 0, 0);
#endif
}
-static void vertical_decompose53iH0(int *b0, int *b1, int *b2, int width){
+static void vertical_decompose53iH0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
int i;
-
+
for(i=0; i<width; i++){
b1[i] -= (b0[i] + b2[i])>>1;
}
}
-static void vertical_decompose53iL0(int *b0, int *b1, int *b2, int width){
+static void vertical_decompose53iL0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
int i;
-
+
for(i=0; i<width; i++){
b1[i] += (b0[i] + b2[i] + 2)>>2;
}
}
-static void spatial_decompose53i(int *buffer, int width, int height, int stride){
- int x, y;
+static void spatial_decompose53i(DWTELEM *buffer, int width, int height, int stride){
+ int y;
DWTELEM *b0= buffer + mirror(-2-1, height-1)*stride;
DWTELEM *b1= buffer + mirror(-2 , height-1)*stride;
-
+
for(y=-2; y<height; y+=2){
DWTELEM *b2= buffer + mirror(y+1, height-1)*stride;
DWTELEM *b3= buffer + mirror(y+2, height-1)*stride;
{START_TIMER
- if(b1 <= b3) horizontal_decompose53i(b2, width);
- if(y+2 < height) horizontal_decompose53i(b3, width);
+ if(y+1<(unsigned)height) horizontal_decompose53i(b2, width);
+ if(y+2<(unsigned)height) horizontal_decompose53i(b3, width);
STOP_TIMER("horizontal_decompose53i")}
-
+
{START_TIMER
- if(b1 <= b3) vertical_decompose53iH0(b1, b2, b3, width);
- if(b0 <= b2) vertical_decompose53iL0(b0, b1, b2, width);
+ if(y+1<(unsigned)height) vertical_decompose53iH0(b1, b2, b3, width);
+ if(y+0<(unsigned)height) vertical_decompose53iL0(b0, b1, b2, width);
STOP_TIMER("vertical_decompose53i*")}
-
+
b0=b2;
b1=b3;
}
}
+#define liftS lift
#define lift5 lift
#if 1
#define W_AM 3
#define W_AO 0
#define W_AS 1
+#undef liftS
#define W_BM 1
#define W_BO 8
#define W_BS 4
-#undef lift5
-#define W_CM 9999
-#define W_CO 2
-#define W_CS 2
+#define W_CM 1
+#define W_CO 0
+#define W_CS 0
-#define W_DM 15
-#define W_DO 16
-#define W_DS 5
+#define W_DM 3
+#define W_DO 4
+#define W_DS 3
#elif 0
#define W_AM 55
#define W_AO 16
#define W_DO 128
#define W_DS 9
#endif
-static void horizontal_decompose97i(int *b, int width){
- int temp[width];
+static void horizontal_decompose97i(DWTELEM *b, int width){
+ DWTELEM temp[width];
const int w2= (width+1)>>1;
lift (temp+w2, b +1, b , 1, 2, 2, width, -W_AM, W_AO, W_AS, 1, 0);
- lift (temp , b , temp+w2, 1, 2, 1, width, -W_BM, W_BO, W_BS, 0, 0);
+ liftS(temp , b , temp+w2, 1, 2, 1, width, -W_BM, W_BO, W_BS, 0, 0);
lift5(b +w2, temp+w2, temp , 1, 1, 1, width, W_CM, W_CO, W_CS, 1, 0);
lift (b , temp , b +w2, 1, 1, 1, width, W_DM, W_DO, W_DS, 0, 0);
}
-static void vertical_decompose97iH0(int *b0, int *b1, int *b2, int width){
+static void vertical_decompose97iH0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
int i;
-
+
for(i=0; i<width; i++){
b1[i] -= (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS;
}
}
-static void vertical_decompose97iH1(int *b0, int *b1, int *b2, int width){
+static void vertical_decompose97iH1(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
int i;
-
+
for(i=0; i<width; i++){
#ifdef lift5
b1[i] += (W_CM*(b0[i] + b2[i])+W_CO)>>W_CS;
}
}
-static void vertical_decompose97iL0(int *b0, int *b1, int *b2, int width){
+static void vertical_decompose97iL0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
int i;
-
+
for(i=0; i<width; i++){
+#ifdef liftS
b1[i] -= (W_BM*(b0[i] + b2[i])+W_BO)>>W_BS;
+#else
+ b1[i] = (16*4*b1[i] - 4*(b0[i] + b2[i]) + 8*5 + (5<<27)) / (5*16) - (1<<23);
+#endif
}
}
-static void vertical_decompose97iL1(int *b0, int *b1, int *b2, int width){
+static void vertical_decompose97iL1(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
int i;
-
+
for(i=0; i<width; i++){
b1[i] += (W_DM*(b0[i] + b2[i])+W_DO)>>W_DS;
}
}
-static void spatial_decompose97i(int *buffer, int width, int height, int stride){
- int x, y;
+static void spatial_decompose97i(DWTELEM *buffer, int width, int height, int stride){
+ int y;
DWTELEM *b0= buffer + mirror(-4-1, height-1)*stride;
DWTELEM *b1= buffer + mirror(-4 , height-1)*stride;
DWTELEM *b2= buffer + mirror(-4+1, height-1)*stride;
DWTELEM *b3= buffer + mirror(-4+2, height-1)*stride;
-
+
for(y=-4; y<height; y+=2){
DWTELEM *b4= buffer + mirror(y+3, height-1)*stride;
DWTELEM *b5= buffer + mirror(y+4, height-1)*stride;
{START_TIMER
- if(b3 <= b5) horizontal_decompose97i(b4, width);
- if(y+4 < height) horizontal_decompose97i(b5, width);
+ if(y+3<(unsigned)height) horizontal_decompose97i(b4, width);
+ if(y+4<(unsigned)height) horizontal_decompose97i(b5, width);
if(width>400){
STOP_TIMER("horizontal_decompose97i")
}}
-
+
{START_TIMER
- if(b3 <= b5) vertical_decompose97iH0(b3, b4, b5, width);
- if(b2 <= b4) vertical_decompose97iL0(b2, b3, b4, width);
- if(b1 <= b3) vertical_decompose97iH1(b1, b2, b3, width);
- if(b0 <= b2) vertical_decompose97iL1(b0, b1, b2, width);
+ if(y+3<(unsigned)height) vertical_decompose97iH0(b3, b4, b5, width);
+ if(y+2<(unsigned)height) vertical_decompose97iL0(b2, b3, b4, width);
+ if(y+1<(unsigned)height) vertical_decompose97iH1(b1, b2, b3, width);
+ if(y+0<(unsigned)height) vertical_decompose97iL1(b0, b1, b2, width);
if(width>400){
STOP_TIMER("vertical_decompose97i")
}}
-
+
b0=b2;
b1=b3;
b2=b4;
}
}
-static void spatial_dwt(SnowContext *s, int *buffer, int width, int height, int stride){
+void ff_spatial_dwt(DWTELEM *buffer, int width, int height, int stride, int type, int decomposition_count){
int level;
-
- for(level=0; level<s->spatial_decomposition_count; level++){
- switch(s->spatial_decomposition_type){
+
+ for(level=0; level<decomposition_count; level++){
+ switch(type){
case 0: spatial_decompose97i(buffer, width>>level, height>>level, stride<<level); break;
case 1: spatial_decompose53i(buffer, width>>level, height>>level, stride<<level); break;
case 2: spatial_decomposeX (buffer, width>>level, height>>level, stride<<level); break;
}
}
-static void horizontal_compose53i(int *b, int width){
- int temp[width];
+static void horizontal_compose53i(DWTELEM *b, int width){
+ DWTELEM temp[width];
const int width2= width>>1;
const int w2= (width+1)>>1;
- int A1,A2,A3,A4, x;
+ int x;
#if 0
+ int A1,A2,A3,A4;
A2= temp[1 ];
A4= temp[0 ];
A1= temp[0+width2];
A2 += (A1 + A3 + 2)>>2;
b[width -1] = A3;
b[width2-1] = A2;
-#else
+#else
lift(temp , b , b+w2, 1, 1, 1, width, 1, 2, 2, 0, 1);
lift(temp+w2, b+w2, temp, 1, 1, 1, width, -1, 0, 1, 1, 1);
#endif
b[2*x ]= temp[x ];
}
-static void vertical_compose53iH0(int *b0, int *b1, int *b2, int width){
+static void vertical_compose53iH0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
int i;
-
+
for(i=0; i<width; i++){
b1[i] += (b0[i] + b2[i])>>1;
}
}
-static void vertical_compose53iL0(int *b0, int *b1, int *b2, int width){
+static void vertical_compose53iL0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
int i;
-
+
for(i=0; i<width; i++){
b1[i] -= (b0[i] + b2[i] + 2)>>2;
}
}
-static void spatial_compose53i(int *buffer, int width, int height, int stride){
- int x, y;
- DWTELEM *b0= buffer + mirror(-1-1, height-1)*stride;
- DWTELEM *b1= buffer + mirror(-1 , height-1)*stride;
-
- for(y=-1; y<=height; y+=2){
- DWTELEM *b2= buffer + mirror(y+1, height-1)*stride;
- DWTELEM *b3= buffer + mirror(y+2, height-1)*stride;
+static void spatial_compose53i_buffered_init(dwt_compose_t *cs, slice_buffer * sb, int height, int stride_line){
+ cs->b0 = slice_buffer_get_line(sb, mirror(-1-1, height-1) * stride_line);
+ cs->b1 = slice_buffer_get_line(sb, mirror(-1 , height-1) * stride_line);
+ cs->y = -1;
+}
+
+static void spatial_compose53i_init(dwt_compose_t *cs, DWTELEM *buffer, int height, int stride){
+ cs->b0 = buffer + mirror(-1-1, height-1)*stride;
+ cs->b1 = buffer + mirror(-1 , height-1)*stride;
+ cs->y = -1;
+}
+
+static void spatial_compose53i_dy_buffered(dwt_compose_t *cs, slice_buffer * sb, int width, int height, int stride_line){
+ int y= cs->y;
+
+ DWTELEM *b0= cs->b0;
+ DWTELEM *b1= cs->b1;
+ DWTELEM *b2= slice_buffer_get_line(sb, mirror(y+1, height-1) * stride_line);
+ DWTELEM *b3= slice_buffer_get_line(sb, mirror(y+2, height-1) * stride_line);
{START_TIMER
- if(b1 <= b3) vertical_compose53iL0(b1, b2, b3, width);
- if(b0 <= b2) vertical_compose53iH0(b0, b1, b2, width);
+ if(y+1<(unsigned)height) vertical_compose53iL0(b1, b2, b3, width);
+ if(y+0<(unsigned)height) vertical_compose53iH0(b0, b1, b2, width);
STOP_TIMER("vertical_compose53i*")}
{START_TIMER
- if(y-1 >= 0) horizontal_compose53i(b0, width);
- if(b0 <= b2) horizontal_compose53i(b1, width);
+ if(y-1<(unsigned)height) horizontal_compose53i(b0, width);
+ if(y+0<(unsigned)height) horizontal_compose53i(b1, width);
STOP_TIMER("horizontal_compose53i")}
- b0=b2;
- b1=b3;
- }
-}
+ cs->b0 = b2;
+ cs->b1 = b3;
+ cs->y += 2;
+}
-
-static void horizontal_compose97i(int *b, int width){
- int temp[width];
+static void spatial_compose53i_dy(dwt_compose_t *cs, DWTELEM *buffer, int width, int height, int stride){
+ int y= cs->y;
+ DWTELEM *b0= cs->b0;
+ DWTELEM *b1= cs->b1;
+ DWTELEM *b2= buffer + mirror(y+1, height-1)*stride;
+ DWTELEM *b3= buffer + mirror(y+2, height-1)*stride;
+
+{START_TIMER
+ if(y+1<(unsigned)height) vertical_compose53iL0(b1, b2, b3, width);
+ if(y+0<(unsigned)height) vertical_compose53iH0(b0, b1, b2, width);
+STOP_TIMER("vertical_compose53i*")}
+
+{START_TIMER
+ if(y-1<(unsigned)height) horizontal_compose53i(b0, width);
+ if(y+0<(unsigned)height) horizontal_compose53i(b1, width);
+STOP_TIMER("horizontal_compose53i")}
+
+ cs->b0 = b2;
+ cs->b1 = b3;
+ cs->y += 2;
+}
+
+static void spatial_compose53i(DWTELEM *buffer, int width, int height, int stride){
+ dwt_compose_t cs;
+ spatial_compose53i_init(&cs, buffer, height, stride);
+ while(cs.y <= height)
+ spatial_compose53i_dy(&cs, buffer, width, height, stride);
+}
+
+
+static void horizontal_compose97i(DWTELEM *b, int width){
+ DWTELEM temp[width];
const int w2= (width+1)>>1;
lift (temp , b , b +w2, 1, 1, 1, width, W_DM, W_DO, W_DS, 0, 1);
lift5(temp+w2, b +w2, temp , 1, 1, 1, width, W_CM, W_CO, W_CS, 1, 1);
- lift (b , temp , temp+w2, 2, 1, 1, width, -W_BM, W_BO, W_BS, 0, 1);
+ liftS(b , temp , temp+w2, 2, 1, 1, width, -W_BM, W_BO, W_BS, 0, 1);
lift (b+1 , temp+w2, b , 2, 1, 2, width, -W_AM, W_AO, W_AS, 1, 1);
}
-static void vertical_compose97iH0(int *b0, int *b1, int *b2, int width){
+static void vertical_compose97iH0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
int i;
-
+
for(i=0; i<width; i++){
b1[i] += (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS;
}
}
-static void vertical_compose97iH1(int *b0, int *b1, int *b2, int width){
+static void vertical_compose97iH1(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
int i;
-
+
for(i=0; i<width; i++){
#ifdef lift5
b1[i] -= (W_CM*(b0[i] + b2[i])+W_CO)>>W_CS;
}
}
-static void vertical_compose97iL0(int *b0, int *b1, int *b2, int width){
+static void vertical_compose97iL0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
int i;
-
+
for(i=0; i<width; i++){
+#ifdef liftS
b1[i] += (W_BM*(b0[i] + b2[i])+W_BO)>>W_BS;
+#else
+ b1[i] += (W_BM*(b0[i] + b2[i])+4*b1[i]+W_BO)>>W_BS;
+#endif
}
}
-static void vertical_compose97iL1(int *b0, int *b1, int *b2, int width){
+static void vertical_compose97iL1(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
int i;
-
+
for(i=0; i<width; i++){
b1[i] -= (W_DM*(b0[i] + b2[i])+W_DO)>>W_DS;
}
}
-static void spatial_compose97i(int *buffer, int width, int height, int stride){
- int x, y;
- DWTELEM *b0= buffer + mirror(-3-1, height-1)*stride;
- DWTELEM *b1= buffer + mirror(-3 , height-1)*stride;
- DWTELEM *b2= buffer + mirror(-3+1, height-1)*stride;
- DWTELEM *b3= buffer + mirror(-3+2, height-1)*stride;
+static void vertical_compose97i(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, DWTELEM *b3, DWTELEM *b4, DWTELEM *b5, int width){
+ int i;
- for(y=-3; y<=height; y+=2){
- DWTELEM *b4= buffer + mirror(y+3, height-1)*stride;
- DWTELEM *b5= buffer + mirror(y+4, height-1)*stride;
+ for(i=0; i<width; i++){
+#ifndef lift5
+ int r;
+#endif
+ b4[i] -= (W_DM*(b3[i] + b5[i])+W_DO)>>W_DS;
+#ifdef lift5
+ b3[i] -= (W_CM*(b2[i] + b4[i])+W_CO)>>W_CS;
+#else
+ r= 3*(b2[i] + b4[i]);
+ r+= r>>4;
+ r+= r>>8;
+ b3[i] -= (r+W_CO)>>W_CS;
+#endif
+#ifdef liftS
+ b2[i] += (W_BM*(b1[i] + b3[i])+W_BO)>>W_BS;
+#else
+ b2[i] += (W_BM*(b1[i] + b3[i])+4*b2[i]+W_BO)>>W_BS;
+#endif
+ b1[i] += (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS;
+ }
+}
+
+static void spatial_compose97i_buffered_init(dwt_compose_t *cs, slice_buffer * sb, int height, int stride_line){
+ cs->b0 = slice_buffer_get_line(sb, mirror(-3-1, height-1) * stride_line);
+ cs->b1 = slice_buffer_get_line(sb, mirror(-3 , height-1) * stride_line);
+ cs->b2 = slice_buffer_get_line(sb, mirror(-3+1, height-1) * stride_line);
+ cs->b3 = slice_buffer_get_line(sb, mirror(-3+2, height-1) * stride_line);
+ cs->y = -3;
+}
+
+static void spatial_compose97i_init(dwt_compose_t *cs, DWTELEM *buffer, int height, int stride){
+ cs->b0 = buffer + mirror(-3-1, height-1)*stride;
+ cs->b1 = buffer + mirror(-3 , height-1)*stride;
+ cs->b2 = buffer + mirror(-3+1, height-1)*stride;
+ cs->b3 = buffer + mirror(-3+2, height-1)*stride;
+ cs->y = -3;
+}
+
+static void spatial_compose97i_dy_buffered(dwt_compose_t *cs, slice_buffer * sb, int width, int height, int stride_line){
+ int y = cs->y;
+
+ DWTELEM *b0= cs->b0;
+ DWTELEM *b1= cs->b1;
+ DWTELEM *b2= cs->b2;
+ DWTELEM *b3= cs->b3;
+ DWTELEM *b4= slice_buffer_get_line(sb, mirror(y + 3, height - 1) * stride_line);
+ DWTELEM *b5= slice_buffer_get_line(sb, mirror(y + 4, height - 1) * stride_line);
+
+{START_TIMER
+ if(y>0 && y+4<height){
+ vertical_compose97i(b0, b1, b2, b3, b4, b5, width);
+ }else{
+ if(y+3<(unsigned)height) vertical_compose97iL1(b3, b4, b5, width);
+ if(y+2<(unsigned)height) vertical_compose97iH1(b2, b3, b4, width);
+ if(y+1<(unsigned)height) vertical_compose97iL0(b1, b2, b3, width);
+ if(y+0<(unsigned)height) vertical_compose97iH0(b0, b1, b2, width);
+ }
+if(width>400){
+STOP_TIMER("vertical_compose97i")}}
+
+{START_TIMER
+ if(y-1<(unsigned)height) horizontal_compose97i(b0, width);
+ if(y+0<(unsigned)height) horizontal_compose97i(b1, width);
+if(width>400 && y+0<(unsigned)height){
+STOP_TIMER("horizontal_compose97i")}}
+
+ cs->b0=b2;
+ cs->b1=b3;
+ cs->b2=b4;
+ cs->b3=b5;
+ cs->y += 2;
+}
+
+static void spatial_compose97i_dy(dwt_compose_t *cs, DWTELEM *buffer, int width, int height, int stride){
+ int y = cs->y;
+ DWTELEM *b0= cs->b0;
+ DWTELEM *b1= cs->b1;
+ DWTELEM *b2= cs->b2;
+ DWTELEM *b3= cs->b3;
+ DWTELEM *b4= buffer + mirror(y+3, height-1)*stride;
+ DWTELEM *b5= buffer + mirror(y+4, height-1)*stride;
- if(stride == width && y+4 < height && 0){
- int x;
- for(x=0; x<width/2; x++)
- b5[x] += 64*2;
- for(; x<width; x++)
- b5[x] += 169*2;
- }
-
{START_TIMER
- if(b3 <= b5) vertical_compose97iL1(b3, b4, b5, width);
- if(b2 <= b4) vertical_compose97iH1(b2, b3, b4, width);
- if(b1 <= b3) vertical_compose97iL0(b1, b2, b3, width);
- if(b0 <= b2) vertical_compose97iH0(b0, b1, b2, width);
+ if(y+3<(unsigned)height) vertical_compose97iL1(b3, b4, b5, width);
+ if(y+2<(unsigned)height) vertical_compose97iH1(b2, b3, b4, width);
+ if(y+1<(unsigned)height) vertical_compose97iL0(b1, b2, b3, width);
+ if(y+0<(unsigned)height) vertical_compose97iH0(b0, b1, b2, width);
if(width>400){
STOP_TIMER("vertical_compose97i")}}
{START_TIMER
- if(y-1>= 0) horizontal_compose97i(b0, width);
- if(b0 <= b2) horizontal_compose97i(b1, width);
+ if(y-1<(unsigned)height) horizontal_compose97i(b0, width);
+ if(y+0<(unsigned)height) horizontal_compose97i(b1, width);
if(width>400 && b0 <= b2){
STOP_TIMER("horizontal_compose97i")}}
-
- b0=b2;
- b1=b3;
- b2=b4;
- b3=b5;
- }
+
+ cs->b0=b2;
+ cs->b1=b3;
+ cs->b2=b4;
+ cs->b3=b5;
+ cs->y += 2;
}
-static void spatial_idwt(SnowContext *s, int *buffer, int width, int height, int stride){
- int level;
+static void spatial_compose97i(DWTELEM *buffer, int width, int height, int stride){
+ dwt_compose_t cs;
+ spatial_compose97i_init(&cs, buffer, height, stride);
+ while(cs.y <= height)
+ spatial_compose97i_dy(&cs, buffer, width, height, stride);
+}
- for(level=s->spatial_decomposition_count-1; level>=0; level--){
- switch(s->spatial_decomposition_type){
- case 0: spatial_compose97i(buffer, width>>level, height>>level, stride<<level); break;
- case 1: spatial_compose53i(buffer, width>>level, height>>level, stride<<level); break;
- case 2: spatial_composeX (buffer, width>>level, height>>level, stride<<level); break;
+void ff_spatial_idwt_buffered_init(dwt_compose_t *cs, slice_buffer * sb, int width, int height, int stride_line, int type, int decomposition_count){
+ int level;
+ for(level=decomposition_count-1; level>=0; level--){
+ switch(type){
+ case 0: spatial_compose97i_buffered_init(cs+level, sb, height>>level, stride_line<<level); break;
+ case 1: spatial_compose53i_buffered_init(cs+level, sb, height>>level, stride_line<<level); break;
+ /* not slicified yet */
+ case 2: /*spatial_composeX(buffer, width>>level, height>>level, stride<<level); break;*/
+ av_log(NULL, AV_LOG_ERROR, "spatial_composeX neither buffered nor slicified yet.\n"); break;
}
}
}
-static const int hilbert[16][2]={
- {0,0}, {1,0}, {1,1}, {0,1},
- {0,2}, {0,3}, {1,3}, {1,2},
- {2,2}, {2,3}, {3,3}, {3,2},
- {3,1}, {2,1}, {2,0}, {3,0},
-};
-#if 0
--o o-
- | |
- o-o
-
--o-o o-o-
- | |
- o-o o-o
- | |
- o o-o o
- | | | |
- o-o o-o
-
- 0112122312232334122323342334
- 0123456789ABCDEF0123456789AB
- RLLRMRRLLRRMRLLMLRRLMLLRRLLM
-
- 4 B F 14 1B
- 4 11 15 20 27
-
--o o-o-o o-o-o o-
- | | | | | |
- o-o o-o o-o o-o
- | |
- o-o o-o o-o o-o
- | | | | | |
- o o-o-o o-o-o o
- | |
- o-o o-o-o-o o-o
- | | | |
- o-o o-o o-o o-o
- | | | |
- o o-o o o o-o o
- | | | | | | | |
- o-o o-o o-o o-o
-
-#endif
+void ff_spatial_idwt_init(dwt_compose_t *cs, DWTELEM *buffer, int width, int height, int stride, int type, int decomposition_count){
+ int level;
+ for(level=decomposition_count-1; level>=0; level--){
+ switch(type){
+ case 0: spatial_compose97i_init(cs+level, buffer, height>>level, stride<<level); break;
+ case 1: spatial_compose53i_init(cs+level, buffer, height>>level, stride<<level); break;
+ /* not slicified yet */
+ case 2: spatial_composeX(buffer, width>>level, height>>level, stride<<level); break;
+ }
+ }
+}
-#define SVI(a, i, x, y) \
-{\
- a[i][0]= x;\
- a[i][1]= y;\
- i++;\
+void ff_spatial_idwt_slice(dwt_compose_t *cs, DWTELEM *buffer, int width, int height, int stride, int type, int decomposition_count, int y){
+ const int support = type==1 ? 3 : 5;
+ int level;
+ if(type==2) return;
+
+ for(level=decomposition_count-1; level>=0; level--){
+ while(cs[level].y <= FFMIN((y>>level)+support, height>>level)){
+ switch(type){
+ case 0: spatial_compose97i_dy(cs+level, buffer, width>>level, height>>level, stride<<level);
+ break;
+ case 1: spatial_compose53i_dy(cs+level, buffer, width>>level, height>>level, stride<<level);
+ break;
+ case 2: break;
+ }
+ }
+ }
}
-static int sig_cmp(const void *a, const void *b){
- const int16_t* da = (const int16_t *) a;
- const int16_t* db = (const int16_t *) b;
-
- if(da[1] != db[1]) return da[1] - db[1];
- else return da[0] - db[0];
+void ff_spatial_idwt_buffered_slice(dwt_compose_t *cs, slice_buffer * slice_buf, int width, int height, int stride_line, int type, int decomposition_count, int y){
+ const int support = type==1 ? 3 : 5;
+ int level;
+ if(type==2) return;
+
+ for(level=decomposition_count-1; level>=0; level--){
+ while(cs[level].y <= FFMIN((y>>level)+support, height>>level)){
+ switch(type){
+ case 0: spatial_compose97i_dy_buffered(cs+level, slice_buf, width>>level, height>>level, stride_line<<level);
+ break;
+ case 1: spatial_compose53i_dy_buffered(cs+level, slice_buf, width>>level, height>>level, stride_line<<level);
+ break;
+ case 2: break;
+ }
+ }
+ }
}
+void ff_spatial_idwt(DWTELEM *buffer, int width, int height, int stride, int type, int decomposition_count){
+ if(type==2){
+ int level;
+ for(level=decomposition_count-1; level>=0; level--)
+ spatial_composeX (buffer, width>>level, height>>level, stride<<level);
+ }else{
+ dwt_compose_t cs[MAX_DECOMPOSITIONS];
+ int y;
+ ff_spatial_idwt_init(cs, buffer, width, height, stride, type, decomposition_count);
+ for(y=0; y<height; y+=4)
+ ff_spatial_idwt_slice(cs, buffer, width, height, stride, type, decomposition_count, y);
+ }
+}
-static void encode_subband(SnowContext *s, SubBand *b, DWTELEM *src, DWTELEM *parent, int stride, int orientation){
- const int level= b->level;
+static int encode_subband_c0run(SnowContext *s, SubBand *b, DWTELEM *src, DWTELEM *parent, int stride, int orientation){
const int w= b->width;
const int h= b->height;
int x, y;
-
-#if 0
- if(orientation==3 && parent && 0){
- int16_t candidate[w*h][2];
- uint8_t state[w*h];
- int16_t boarder[3][w*h*4][2];
- int16_t significant[w*h][2];
- int candidate_count=0;
- int boarder_count[3]={0,0,0};
- int significant_count=0;
- int rle_pos=0;
- int v, last_v;
- int primary= orientation==1;
-
- memset(candidate, 0, sizeof(candidate));
- memset(state, 0, sizeof(state));
- memset(boarder, 0, sizeof(boarder));
-
- for(y=0; y<h; y++){
- for(x=0; x<w; x++){
- if(parent[(x>>1) + (y>>1)*2*stride])
- SVI(candidate, candidate_count, x, y)
- }
- }
- for(;;){
- while(candidate_count && !boarder_count[0] && !boarder_count[1] && !boarder_count[2]){
- candidate_count--;
- x= candidate[ candidate_count][0];
- y= candidate[ candidate_count][1];
- if(state[x + y*w])
- continue;
- state[x + y*w]= 1;
- v= !!src[x + y*stride];
- put_cabac(&s->c, &b->state[0][0], v);
- if(v){
- SVI(significant, significant_count, x,y)
- if(x && !state[x - 1 + y *w]) SVI(boarder[0],boarder_count[0],x-1,y )
- if(y && !state[x + (y-1)*w]) SVI(boarder[1],boarder_count[1],x ,y-1)
- if(x+1<w && !state[x + 1 + y *w]) SVI(boarder[0],boarder_count[0],x+1,y )
- if(y+1<h && !state[x + (y+1)*w]) SVI(boarder[1],boarder_count[1],x ,y+1)
- if(x && y && !state[x - 1 + (y-1)*w]) SVI(boarder[2],boarder_count[2],x-1,y-1)
- if(x && y+1<h && !state[x - 1 + (y+1)*w]) SVI(boarder[2],boarder_count[2],x-1,y+1)
- if(x+1<w && y+1<h && !state[x + 1 + (y+1)*w]) SVI(boarder[2],boarder_count[2],x+1,y+1)
- if(x+1<w && y && !state[x + 1 + (y-1)*w]) SVI(boarder[2],boarder_count[2],x+1,y-1)
- }
- }
- while(!boarder_count[0] && !boarder_count[1] && !boarder_count[2] && rle_pos < w*h){
- int run=0;
- for(; rle_pos < w*h;){
- x= rle_pos % w; //FIXME speed
- y= rle_pos / w;
- rle_pos++;
- if(state[x + y*w])
- continue;
- state[x + y*w]= 1;
- v= !!src[x + y*stride];
- if(v){
- put_symbol(&s->c, b->state[1], run, 0);
- SVI(significant, significant_count, x,y)
- if(x && !state[x - 1 + y *w]) SVI(boarder[0],boarder_count[0],x-1,y )
- if(y && !state[x + (y-1)*w]) SVI(boarder[1],boarder_count[1],x ,y-1)
- if(x+1<w && !state[x + 1 + y *w]) SVI(boarder[0],boarder_count[0],x+1,y )
- if(y+1<h && !state[x + (y+1)*w]) SVI(boarder[1],boarder_count[1],x ,y+1)
- if(x && y && !state[x - 1 + (y-1)*w]) SVI(boarder[2],boarder_count[2],x-1,y-1)
- if(x && y+1<h && !state[x - 1 + (y+1)*w]) SVI(boarder[2],boarder_count[2],x-1,y+1)
- if(x+1<w && y+1<h && !state[x + 1 + (y+1)*w]) SVI(boarder[2],boarder_count[2],x+1,y+1)
- if(x+1<w && y && !state[x + 1 + (y-1)*w]) SVI(boarder[2],boarder_count[2],x+1,y-1)
- break;
-//FIXME note only right & down can be boarders
- }
- run++;
- }
- }
- if(!boarder_count[0] && !boarder_count[1] && !boarder_count[2])
- break;
-
- while(boarder_count[0] || boarder_count[1] || boarder_count[2]){
- int index;
-
- if (boarder_count[ primary]) index= primary;
- else if(boarder_count[1-primary]) index=1-primary;
- else index=2;
-
- boarder_count[index]--;
- x= boarder[index][ boarder_count[index] ][0];
- y= boarder[index][ boarder_count[index] ][1];
- if(state[x + y*w]) //FIXME maybe check earlier
- continue;
- state[x + y*w]= 1;
- v= !!src[x + y*stride];
- put_cabac(&s->c, &b->state[0][index+1], v);
- if(v){
- SVI(significant, significant_count, x,y)
- if(x && !state[x - 1 + y *w]) SVI(boarder[0],boarder_count[0],x-1,y )
- if(y && !state[x + (y-1)*w]) SVI(boarder[1],boarder_count[1],x ,y-1)
- if(x+1<w && !state[x + 1 + y *w]) SVI(boarder[0],boarder_count[0],x+1,y )
- if(y+1<h && !state[x + (y+1)*w]) SVI(boarder[1],boarder_count[1],x ,y+1)
- if(x && y && !state[x - 1 + (y-1)*w]) SVI(boarder[2],boarder_count[2],x-1,y-1)
- if(x && y+1<h && !state[x - 1 + (y+1)*w]) SVI(boarder[2],boarder_count[2],x-1,y+1)
- if(x+1<w && y+1<h && !state[x + 1 + (y+1)*w]) SVI(boarder[2],boarder_count[2],x+1,y+1)
- if(x+1<w && y && !state[x + 1 + (y-1)*w]) SVI(boarder[2],boarder_count[2],x+1,y-1)
- }
- }
- }
- //FIXME sort significant coeffs maybe
- if(1){
- qsort(significant, significant_count, sizeof(int16_t[2]), sig_cmp);
- }
-
- last_v=1;
- while(significant_count){
- int context= 3 + quant7[last_v&0xFF]; //use significance of suroundings
- significant_count--;
- x= significant[significant_count][0];//FIXME try opposit direction
- y= significant[significant_count][1];
- v= src[x + y*stride];
- put_symbol(&s->c, b->state[context + 2], v, 1); //FIXME try to avoid first bit, try this with the old code too!!
- last_v= v;
- }
- }
-#endif
if(1){
int run=0;
int runs[w*h];
int run_index=0;
-
+ int max_index;
+
for(y=0; y<h; y++){
for(x=0; x<w; x++){
int v, p=0;
if(parent){
int px= x>>1;
int py= y>>1;
- if(px<b->parent->width && py<b->parent->height)
+ if(px<b->parent->width && py<b->parent->height)
p= parent[px + py*2*stride];
}
if(!(/*ll|*/l|lt|t|rt|p)){
}
}
}
+ max_index= run_index;
runs[run_index++]= run;
run_index=0;
run= runs[run_index++];
- put_symbol(&s->c, b->state[1], run, 0);
-
+ put_symbol2(&s->c, b->state[30], max_index, 0);
+ if(run_index <= max_index)
+ put_symbol2(&s->c, b->state[1], run, 3);
+
for(y=0; y<h; y++){
+ if(s->c.bytestream_end - s->c.bytestream < w*40){
+ av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
+ return -1;
+ }
for(x=0; x<w; x++){
int v, p=0;
int /*ll=0, */l=0, lt=0, t=0, rt=0;
if(parent){
int px= x>>1;
int py= y>>1;
- if(px<b->parent->width && py<b->parent->height)
+ if(px<b->parent->width && py<b->parent->height)
p= parent[px + py*2*stride];
}
if(/*ll|*/l|lt|t|rt|p){
int context= av_log2(/*ABS(ll) + */3*ABS(l) + ABS(lt) + 2*ABS(t) + ABS(rt) + ABS(p));
- put_cabac(&s->c, &b->state[0][context], !!v);
+ put_rac(&s->c, &b->state[0][context], !!v);
}else{
if(!run){
run= runs[run_index++];
- put_symbol(&s->c, b->state[1], run, 0);
+
+ if(run_index <= max_index)
+ put_symbol2(&s->c, b->state[1], run, 3);
assert(v);
}else{
run--;
}
if(v){
int context= av_log2(/*ABS(ll) + */3*ABS(l) + ABS(lt) + 2*ABS(t) + ABS(rt) + ABS(p));
+ int l2= 2*ABS(l) + (l<0);
+ int t2= 2*ABS(t) + (t<0);
- put_symbol(&s->c, b->state[context + 2], ABS(v)-1, 0);
- put_cabac(&s->c, &b->state[0][16 + 1 + 3 + quant3b[l&0xFF] + 3*quant3b[t&0xFF]], v<0);
+ put_symbol2(&s->c, b->state[context + 2], ABS(v)-1, context-4);
+ put_rac(&s->c, &b->state[0][16 + 1 + 3 + quant3bA[l2&0xFF] + 3*quant3bA[t2&0xFF]], v<0);
}
}
}
- return;
}
+ return 0;
}
-static inline void decode_subband(SnowContext *s, SubBand *b, DWTELEM *src, DWTELEM *parent, int stride, int orientation){
- const int level= b->level;
- const int w= b->width;
+static int encode_subband(SnowContext *s, SubBand *b, DWTELEM *src, DWTELEM *parent, int stride, int orientation){
+// encode_subband_qtree(s, b, src, parent, stride, orientation);
+// encode_subband_z0run(s, b, src, parent, stride, orientation);
+ return encode_subband_c0run(s, b, src, parent, stride, orientation);
+// encode_subband_dzr(s, b, src, parent, stride, orientation);
+}
+
+static inline void unpack_coeffs(SnowContext *s, SubBand *b, SubBand * parent, int orientation){
+ const int w= b->width;
const int h= b->height;
int x,y;
- START_TIMER
-
if(1){
- int run;
-
- for(y=0; y<b->height; y++)
- memset(&src[y*stride], 0, b->width*sizeof(DWTELEM));
+ int run, runs;
+ x_and_coeff *xc= b->x_coeff;
+ x_and_coeff *prev_xc= NULL;
+ x_and_coeff *prev2_xc= xc;
+ x_and_coeff *parent_xc= parent ? parent->x_coeff : NULL;
+ x_and_coeff *prev_parent_xc= parent_xc;
+
+ runs= get_symbol2(&s->c, b->state[30], 0);
+ if(runs-- > 0) run= get_symbol2(&s->c, b->state[1], 3);
+ else run= INT_MAX;
- run= get_symbol(&s->c, b->state[1], 0);
for(y=0; y<h; y++){
+ int v=0;
+ int lt=0, t=0, rt=0;
+
+ if(y && prev_xc->x == 0){
+ rt= prev_xc->coeff;
+ }
for(x=0; x<w; x++){
- int v, p=0;
- int /*ll=0, */l=0, lt=0, t=0, rt=0;
+ int p=0;
+ const int l= v;
+
+ lt= t; t= rt;
if(y){
- t= src[x + (y-1)*stride];
- if(x){
- lt= src[x - 1 + (y-1)*stride];
+ if(prev_xc->x <= x)
+ prev_xc++;
+ if(prev_xc->x == x + 1)
+ rt= prev_xc->coeff;
+ else
+ rt=0;
+ }
+ if(parent_xc){
+ if(x>>1 > parent_xc->x){
+ parent_xc++;
}
- if(x + 1 < w){
- rt= src[x + 1 + (y-1)*stride];
+ if(x>>1 == parent_xc->x){
+ p= parent_xc->coeff;
}
}
- if(x){
- l= src[x - 1 + y*stride];
- /*if(x > 1){
- if(orientation==1) ll= src[y + (x-2)*stride];
- else ll= src[x - 2 + y*stride];
- }*/
- }
- if(parent){
- int px= x>>1;
- int py= y>>1;
- if(px<b->parent->width && py<b->parent->height)
- p= parent[px + py*2*stride];
- }
if(/*ll|*/l|lt|t|rt|p){
- int context= av_log2(/*ABS(ll) + */3*ABS(l) + ABS(lt) + 2*ABS(t) + ABS(rt) + ABS(p));
+ int context= av_log2(/*ABS(ll) + */3*(l>>1) + (lt>>1) + (t&~1) + (rt>>1) + (p>>1));
+
+ v=get_rac(&s->c, &b->state[0][context]);
+ if(v){
+ v= 2*(get_symbol2(&s->c, b->state[context + 2], context-4) + 1);
+ v+=get_rac(&s->c, &b->state[0][16 + 1 + 3 + quant3bA[l&0xFF] + 3*quant3bA[t&0xFF]]);
- v=get_cabac(&s->c, &b->state[0][context]);
+ xc->x=x;
+ (xc++)->coeff= v;
+ }
}else{
if(!run){
- run= get_symbol(&s->c, b->state[1], 0);
- //FIXME optimize this here
- //FIXME try to store a more naive run
- v=1;
+ if(runs-- > 0) run= get_symbol2(&s->c, b->state[1], 3);
+ else run= INT_MAX;
+ v= 2*(get_symbol2(&s->c, b->state[0 + 2], 0-4) + 1);
+ v+=get_rac(&s->c, &b->state[0][16 + 1 + 3]);
+
+ xc->x=x;
+ (xc++)->coeff= v;
}else{
+ int max_run;
run--;
v=0;
+
+ if(y) max_run= FFMIN(run, prev_xc->x - x - 2);
+ else max_run= FFMIN(run, w-x-1);
+ if(parent_xc)
+ max_run= FFMIN(max_run, 2*parent_xc->x - x - 1);
+ x+= max_run;
+ run-= max_run;
}
}
- if(v){
- int context= av_log2(/*ABS(ll) + */3*ABS(l) + ABS(lt) + 2*ABS(t) + ABS(rt) + ABS(p));
- v= get_symbol(&s->c, b->state[context + 2], 0) + 1;
- if(get_cabac(&s->c, &b->state[0][16 + 1 + 3 + quant3b[l&0xFF] + 3*quant3b[t&0xFF]]))
- v= -v;
- src[x + y*stride]= v;
+ }
+ (xc++)->x= w+1; //end marker
+ prev_xc= prev2_xc;
+ prev2_xc= xc;
+
+ if(parent_xc){
+ if(y&1){
+ while(parent_xc->x != parent->width+1)
+ parent_xc++;
+ parent_xc++;
+ prev_parent_xc= parent_xc;
+ }else{
+ parent_xc= prev_parent_xc;
}
}
}
- if(level+1 == s->spatial_decomposition_count){
- STOP_TIMER("decode_subband")
+
+ (xc++)->x= w+1; //end marker
+ }
+}
+
+static inline void decode_subband_slice_buffered(SnowContext *s, SubBand *b, slice_buffer * sb, int start_y, int h, int save_state[1]){
+ const int w= b->width;
+ int y;
+ const int qlog= clip(s->qlog + b->qlog, 0, QROOT*16);
+ int qmul= qexp[qlog&(QROOT-1)]<<(qlog>>QSHIFT);
+ int qadd= (s->qbias*qmul)>>QBIAS_SHIFT;
+ int new_index = 0;
+
+ START_TIMER
+
+ if(b->buf == s->spatial_dwt_buffer || s->qlog == LOSSLESS_QLOG){
+ qadd= 0;
+ qmul= 1<<QEXPSHIFT;
+ }
+
+ /* If we are on the second or later slice, restore our index. */
+ if (start_y != 0)
+ new_index = save_state[0];
+
+
+ for(y=start_y; y<h; y++){
+ int x = 0;
+ int v;
+ DWTELEM * line = slice_buffer_get_line(sb, y * b->stride_line + b->buf_y_offset) + b->buf_x_offset;
+ memset(line, 0, b->width*sizeof(DWTELEM));
+ v = b->x_coeff[new_index].coeff;
+ x = b->x_coeff[new_index++].x;
+ while(x < w)
+ {
+ register int t= ( (v>>1)*qmul + qadd)>>QEXPSHIFT;
+ register int u= -(v&1);
+ line[x] = (t^u) - u;
+
+ v = b->x_coeff[new_index].coeff;
+ x = b->x_coeff[new_index++].x;
}
-
- return;
}
+ if(w > 200 && start_y != 0/*level+1 == s->spatial_decomposition_count*/){
+ STOP_TIMER("decode_subband")
+ }
+
+ /* Save our variables for the next slice. */
+ save_state[0] = new_index;
+
+ return;
}
static void reset_contexts(SnowContext *s){
int plane_index, level, orientation;
- for(plane_index=0; plane_index<2; plane_index++){
+ for(plane_index=0; plane_index<3; plane_index++){
for(level=0; level<s->spatial_decomposition_count; level++){
for(orientation=level ? 1:0; orientation<4; orientation++){
- memset(s->plane[plane_index].band[level][orientation].state, 0, sizeof(s->plane[plane_index].band[level][orientation].state));
+ memset(s->plane[plane_index].band[level][orientation].state, MID_STATE, sizeof(s->plane[plane_index].band[level][orientation].state));
}
}
}
- memset(s->mb_band.state, 0, sizeof(s->mb_band.state));
- memset(s->mv_band[0].state, 0, sizeof(s->mv_band[0].state));
- memset(s->mv_band[1].state, 0, sizeof(s->mv_band[1].state));
- memset(s->header_state, 0, sizeof(s->header_state));
+ memset(s->header_state, MID_STATE, sizeof(s->header_state));
+ memset(s->block_state, MID_STATE, sizeof(s->block_state));
}
-static void mc_block(uint8_t *dst, uint8_t *src, uint8_t *tmp, int stride, int b_w, int b_h, int dx, int dy){
+static int alloc_blocks(SnowContext *s){
+ int w= -((-s->avctx->width )>>LOG2_MB_SIZE);
+ int h= -((-s->avctx->height)>>LOG2_MB_SIZE);
+
+ s->b_width = w;
+ s->b_height= h;
+
+ s->block= av_mallocz(w * h * sizeof(BlockNode) << (s->block_max_depth*2));
+ return 0;
+}
+
+static inline void copy_rac_state(RangeCoder *d, RangeCoder *s){
+ uint8_t *bytestream= d->bytestream;
+ uint8_t *bytestream_start= d->bytestream_start;
+ *d= *s;
+ d->bytestream= bytestream;
+ d->bytestream_start= bytestream_start;
+}
+
+//near copy & paste from dsputil, FIXME
+static int pix_sum(uint8_t * pix, int line_size, int w)
+{
+ int s, i, j;
+
+ s = 0;
+ for (i = 0; i < w; i++) {
+ for (j = 0; j < w; j++) {
+ s += pix[0];
+ pix ++;
+ }
+ pix += line_size - w;
+ }
+ return s;
+}
+
+//near copy & paste from dsputil, FIXME
+static int pix_norm1(uint8_t * pix, int line_size, int w)
+{
+ int s, i, j;
+ uint32_t *sq = squareTbl + 256;
+
+ s = 0;
+ for (i = 0; i < w; i++) {
+ for (j = 0; j < w; j ++) {
+ s += sq[pix[0]];
+ pix ++;
+ }
+ pix += line_size - w;
+ }
+ return s;
+}
+
+static inline void set_blocks(SnowContext *s, int level, int x, int y, int l, int cb, int cr, int mx, int my, int type){
+ const int w= s->b_width << s->block_max_depth;
+ const int rem_depth= s->block_max_depth - level;
+ const int index= (x + y*w) << rem_depth;
+ const int block_w= 1<<rem_depth;
+ BlockNode block;
+ int i,j;
+
+ block.color[0]= l;
+ block.color[1]= cb;
+ block.color[2]= cr;
+ block.mx= mx;
+ block.my= my;
+ block.type= type;
+ block.level= level;
+
+ for(j=0; j<block_w; j++){
+ for(i=0; i<block_w; i++){
+ s->block[index + i + j*w]= block;
+ }
+ }
+}
+
+static inline void init_ref(MotionEstContext *c, uint8_t *src[3], uint8_t *ref[3], uint8_t *ref2[3], int x, int y, int ref_index){
+ const int offset[3]= {
+ y*c-> stride + x,
+ ((y*c->uvstride + x)>>1),
+ ((y*c->uvstride + x)>>1),
+ };
+ int i;
+ for(i=0; i<3; i++){
+ c->src[0][i]= src [i];
+ c->ref[0][i]= ref [i] + offset[i];
+ }
+ assert(!ref_index);
+}
+
+//FIXME copy&paste
+#define P_LEFT P[1]
+#define P_TOP P[2]
+#define P_TOPRIGHT P[3]
+#define P_MEDIAN P[4]
+#define P_MV1 P[9]
+#define FLAG_QPEL 1 //must be 1
+
+static int encode_q_branch(SnowContext *s, int level, int x, int y){
+ uint8_t p_buffer[1024];
+ uint8_t i_buffer[1024];
+ uint8_t p_state[sizeof(s->block_state)];
+ uint8_t i_state[sizeof(s->block_state)];
+ RangeCoder pc, ic;
+ uint8_t *pbbak= s->c.bytestream;
+ uint8_t *pbbak_start= s->c.bytestream_start;
+ int score, score2, iscore, i_len, p_len, block_s, sum;
+ const int w= s->b_width << s->block_max_depth;
+ const int h= s->b_height << s->block_max_depth;
+ const int rem_depth= s->block_max_depth - level;
+ const int index= (x + y*w) << rem_depth;
+ const int block_w= 1<<(LOG2_MB_SIZE - level);
+ int trx= (x+1)<<rem_depth;
+ int try= (y+1)<<rem_depth;
+ BlockNode *left = x ? &s->block[index-1] : &null_block;
+ BlockNode *top = y ? &s->block[index-w] : &null_block;
+ BlockNode *right = trx<w ? &s->block[index+1] : &null_block;
+ BlockNode *bottom= try<h ? &s->block[index+w] : &null_block;
+ BlockNode *tl = y && x ? &s->block[index-w-1] : left;
+ BlockNode *tr = y && trx<w && ((x&1)==0 || level==0) ? &s->block[index-w+(1<<rem_depth)] : tl; //FIXME use lt
+ int pl = left->color[0];
+ int pcb= left->color[1];
+ int pcr= left->color[2];
+ int pmx= mid_pred(left->mx, top->mx, tr->mx);
+ int pmy= mid_pred(left->my, top->my, tr->my);
+ int mx=0, my=0;
+ int l,cr,cb;
+ const int stride= s->current_picture.linesize[0];
+ const int uvstride= s->current_picture.linesize[1];
+ uint8_t *current_data[3]= { s->input_picture.data[0] + (x + y* stride)*block_w,
+ s->input_picture.data[1] + (x + y*uvstride)*block_w/2,
+ s->input_picture.data[2] + (x + y*uvstride)*block_w/2};
+ int P[10][2];
+ int16_t last_mv[3][2];
+ int qpel= !!(s->avctx->flags & CODEC_FLAG_QPEL); //unused
+ const int shift= 1+qpel;
+ MotionEstContext *c= &s->m.me;
+ int mx_context= av_log2(2*ABS(left->mx - top->mx));
+ int my_context= av_log2(2*ABS(left->my - top->my));
+ int s_context= 2*left->level + 2*top->level + tl->level + tr->level;
+
+ assert(sizeof(s->block_state) >= 256);
+ if(s->keyframe){
+ set_blocks(s, level, x, y, pl, pcb, pcr, pmx, pmy, BLOCK_INTRA);
+ return 0;
+ }
+
+// clip predictors / edge ?
+
+ P_LEFT[0]= left->mx;
+ P_LEFT[1]= left->my;
+ P_TOP [0]= top->mx;
+ P_TOP [1]= top->my;
+ P_TOPRIGHT[0]= tr->mx;
+ P_TOPRIGHT[1]= tr->my;
+
+ last_mv[0][0]= s->block[index].mx;
+ last_mv[0][1]= s->block[index].my;
+ last_mv[1][0]= right->mx;
+ last_mv[1][1]= right->my;
+ last_mv[2][0]= bottom->mx;
+ last_mv[2][1]= bottom->my;
+
+ s->m.mb_stride=2;
+ s->m.mb_x=
+ s->m.mb_y= 0;
+ s->m.me.skip= 0;
+
+ init_ref(c, current_data, s->last_picture.data, NULL, block_w*x, block_w*y, 0);
+
+ assert(s->m.me. stride == stride);
+ assert(s->m.me.uvstride == uvstride);
+
+ c->penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_cmp);
+ c->sub_penalty_factor= get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_sub_cmp);
+ c->mb_penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->mb_cmp);
+ c->current_mv_penalty= c->mv_penalty[s->m.f_code=1] + MAX_MV;
+
+ c->xmin = - x*block_w - 16+2;
+ c->ymin = - y*block_w - 16+2;
+ c->xmax = - (x+1)*block_w + (w<<(LOG2_MB_SIZE - s->block_max_depth)) + 16-2;
+ c->ymax = - (y+1)*block_w + (h<<(LOG2_MB_SIZE - s->block_max_depth)) + 16-2;
+
+ if(P_LEFT[0] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift);
+ if(P_LEFT[1] > (c->ymax<<shift)) P_LEFT[1] = (c->ymax<<shift);
+ if(P_TOP[0] > (c->xmax<<shift)) P_TOP[0] = (c->xmax<<shift);
+ if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1] = (c->ymax<<shift);
+ if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift);
+ if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift); //due to pmx no clip
+ if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift);
+
+ P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
+ P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
+
+ if (!y) {
+ c->pred_x= P_LEFT[0];
+ c->pred_y= P_LEFT[1];
+ } else {
+ c->pred_x = P_MEDIAN[0];
+ c->pred_y = P_MEDIAN[1];
+ }
+
+ score= ff_epzs_motion_search(&s->m, &mx, &my, P, 0, /*ref_index*/ 0, last_mv,
+ (1<<16)>>shift, level-LOG2_MB_SIZE+4, block_w);
+
+ assert(mx >= c->xmin);
+ assert(mx <= c->xmax);
+ assert(my >= c->ymin);
+ assert(my <= c->ymax);
+
+ score= s->m.me.sub_motion_search(&s->m, &mx, &my, score, 0, 0, level-LOG2_MB_SIZE+4, block_w);
+ score= ff_get_mb_score(&s->m, mx, my, 0, 0, level-LOG2_MB_SIZE+4, block_w, 0);
+ //FIXME if mb_cmp != SSE then intra cant be compared currently and mb_penalty vs. lambda2
+
+ // subpel search
+ pc= s->c;
+ pc.bytestream_start=
+ pc.bytestream= p_buffer; //FIXME end/start? and at the other stoo
+ memcpy(p_state, s->block_state, sizeof(s->block_state));
+
+ if(level!=s->block_max_depth)
+ put_rac(&pc, &p_state[4 + s_context], 1);
+ put_rac(&pc, &p_state[1 + left->type + top->type], 0);
+ put_symbol(&pc, &p_state[128 + 32*mx_context], mx - pmx, 1);
+ put_symbol(&pc, &p_state[128 + 32*my_context], my - pmy, 1);
+ p_len= pc.bytestream - pc.bytestream_start;
+ score += (s->lambda2*(p_len*8
+ + (pc.outstanding_count - s->c.outstanding_count)*8
+ + (-av_log2(pc.range) + av_log2(s->c.range))
+ ))>>FF_LAMBDA_SHIFT;
+
+ block_s= block_w*block_w;
+ sum = pix_sum(current_data[0], stride, block_w);
+ l= (sum + block_s/2)/block_s;
+ iscore = pix_norm1(current_data[0], stride, block_w) - 2*l*sum + l*l*block_s;
+
+ block_s= block_w*block_w>>2;
+ sum = pix_sum(current_data[1], uvstride, block_w>>1);
+ cb= (sum + block_s/2)/block_s;
+// iscore += pix_norm1(¤t_mb[1][0], uvstride, block_w>>1) - 2*cb*sum + cb*cb*block_s;
+ sum = pix_sum(current_data[2], uvstride, block_w>>1);
+ cr= (sum + block_s/2)/block_s;
+// iscore += pix_norm1(¤t_mb[2][0], uvstride, block_w>>1) - 2*cr*sum + cr*cr*block_s;
+
+ ic= s->c;
+ ic.bytestream_start=
+ ic.bytestream= i_buffer; //FIXME end/start? and at the other stoo
+ memcpy(i_state, s->block_state, sizeof(s->block_state));
+ if(level!=s->block_max_depth)
+ put_rac(&ic, &i_state[4 + s_context], 1);
+ put_rac(&ic, &i_state[1 + left->type + top->type], 1);
+ put_symbol(&ic, &i_state[32], l-pl , 1);
+ put_symbol(&ic, &i_state[64], cb-pcb, 1);
+ put_symbol(&ic, &i_state[96], cr-pcr, 1);
+ i_len= ic.bytestream - ic.bytestream_start;
+ iscore += (s->lambda2*(i_len*8
+ + (ic.outstanding_count - s->c.outstanding_count)*8
+ + (-av_log2(ic.range) + av_log2(s->c.range))
+ ))>>FF_LAMBDA_SHIFT;
+
+// assert(score==256*256*256*64-1);
+ assert(iscore < 255*255*256 + s->lambda2*10);
+ assert(iscore >= 0);
+ assert(l>=0 && l<=255);
+ assert(pl>=0 && pl<=255);
+
+ if(level==0){
+ int varc= iscore >> 8;
+ int vard= score >> 8;
+ if (vard <= 64 || vard < varc)
+ c->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
+ else
+ c->scene_change_score+= s->m.qscale;
+ }
+
+ if(level!=s->block_max_depth){
+ put_rac(&s->c, &s->block_state[4 + s_context], 0);
+ score2 = encode_q_branch(s, level+1, 2*x+0, 2*y+0);
+ score2+= encode_q_branch(s, level+1, 2*x+1, 2*y+0);
+ score2+= encode_q_branch(s, level+1, 2*x+0, 2*y+1);
+ score2+= encode_q_branch(s, level+1, 2*x+1, 2*y+1);
+ score2+= s->lambda2>>FF_LAMBDA_SHIFT; //FIXME exact split overhead
+
+ if(score2 < score && score2 < iscore)
+ return score2;
+ }
+
+ if(iscore < score){
+ memcpy(pbbak, i_buffer, i_len);
+ s->c= ic;
+ s->c.bytestream_start= pbbak_start;
+ s->c.bytestream= pbbak + i_len;
+ set_blocks(s, level, x, y, l, cb, cr, pmx, pmy, BLOCK_INTRA);
+ memcpy(s->block_state, i_state, sizeof(s->block_state));
+ return iscore;
+ }else{
+ memcpy(pbbak, p_buffer, p_len);
+ s->c= pc;
+ s->c.bytestream_start= pbbak_start;
+ s->c.bytestream= pbbak + p_len;
+ set_blocks(s, level, x, y, pl, pcb, pcr, mx, my, 0);
+ memcpy(s->block_state, p_state, sizeof(s->block_state));
+ return score;
+ }
+}
+
+static always_inline int same_block(BlockNode *a, BlockNode *b){
+ if((a->type&BLOCK_INTRA) && (b->type&BLOCK_INTRA)){
+ return !((a->color[0] - b->color[0]) | (a->color[1] - b->color[1]) | (a->color[2] - b->color[2]));
+ }else{
+ return !((a->mx - b->mx) | (a->my - b->my) | ((a->type ^ b->type)&BLOCK_INTRA));
+ }
+}
+
+static void encode_q_branch2(SnowContext *s, int level, int x, int y){
+ const int w= s->b_width << s->block_max_depth;
+ const int rem_depth= s->block_max_depth - level;
+ const int index= (x + y*w) << rem_depth;
+ int trx= (x+1)<<rem_depth;
+ BlockNode *b= &s->block[index];
+ BlockNode *left = x ? &s->block[index-1] : &null_block;
+ BlockNode *top = y ? &s->block[index-w] : &null_block;
+ BlockNode *tl = y && x ? &s->block[index-w-1] : left;
+ BlockNode *tr = y && trx<w && ((x&1)==0 || level==0) ? &s->block[index-w+(1<<rem_depth)] : tl; //FIXME use lt
+ int pl = left->color[0];
+ int pcb= left->color[1];
+ int pcr= left->color[2];
+ int pmx= mid_pred(left->mx, top->mx, tr->mx);
+ int pmy= mid_pred(left->my, top->my, tr->my);
+ int mx_context= av_log2(2*ABS(left->mx - top->mx));
+ int my_context= av_log2(2*ABS(left->my - top->my));
+ int s_context= 2*left->level + 2*top->level + tl->level + tr->level;
+
+ if(s->keyframe){
+ set_blocks(s, level, x, y, pl, pcb, pcr, pmx, pmy, BLOCK_INTRA);
+ return;
+ }
+
+ if(level!=s->block_max_depth){
+ if(same_block(b,b+1) && same_block(b,b+w) && same_block(b,b+w+1)){
+ put_rac(&s->c, &s->block_state[4 + s_context], 1);
+ }else{
+ put_rac(&s->c, &s->block_state[4 + s_context], 0);
+ encode_q_branch2(s, level+1, 2*x+0, 2*y+0);
+ encode_q_branch2(s, level+1, 2*x+1, 2*y+0);
+ encode_q_branch2(s, level+1, 2*x+0, 2*y+1);
+ encode_q_branch2(s, level+1, 2*x+1, 2*y+1);
+ return;
+ }
+ }
+ if(b->type & BLOCK_INTRA){
+ put_rac(&s->c, &s->block_state[1 + (left->type&1) + (top->type&1)], 1);
+ put_symbol(&s->c, &s->block_state[32], b->color[0]-pl , 1);
+ put_symbol(&s->c, &s->block_state[64], b->color[1]-pcb, 1);
+ put_symbol(&s->c, &s->block_state[96], b->color[2]-pcr, 1);
+ set_blocks(s, level, x, y, b->color[0], b->color[1], b->color[2], pmx, pmy, BLOCK_INTRA);
+ }else{
+ put_rac(&s->c, &s->block_state[1 + (left->type&1) + (top->type&1)], 0);
+ put_symbol(&s->c, &s->block_state[128 + 32*mx_context], b->mx - pmx, 1);
+ put_symbol(&s->c, &s->block_state[128 + 32*my_context], b->my - pmy, 1);
+ set_blocks(s, level, x, y, pl, pcb, pcr, b->mx, b->my, 0);
+ }
+}
+
+static void decode_q_branch(SnowContext *s, int level, int x, int y){
+ const int w= s->b_width << s->block_max_depth;
+ const int rem_depth= s->block_max_depth - level;
+ const int index= (x + y*w) << rem_depth;
+ int trx= (x+1)<<rem_depth;
+ BlockNode *left = x ? &s->block[index-1] : &null_block;
+ BlockNode *top = y ? &s->block[index-w] : &null_block;
+ BlockNode *tl = y && x ? &s->block[index-w-1] : left;
+ BlockNode *tr = y && trx<w && ((x&1)==0 || level==0) ? &s->block[index-w+(1<<rem_depth)] : tl; //FIXME use lt
+ int s_context= 2*left->level + 2*top->level + tl->level + tr->level;
+
+ if(s->keyframe){
+ set_blocks(s, level, x, y, null_block.color[0], null_block.color[1], null_block.color[2], null_block.mx, null_block.my, BLOCK_INTRA);
+ return;
+ }
+
+ if(level==s->block_max_depth || get_rac(&s->c, &s->block_state[4 + s_context])){
+ int type;
+ int l = left->color[0];
+ int cb= left->color[1];
+ int cr= left->color[2];
+ int mx= mid_pred(left->mx, top->mx, tr->mx);
+ int my= mid_pred(left->my, top->my, tr->my);
+ int mx_context= av_log2(2*ABS(left->mx - top->mx)) + 0*av_log2(2*ABS(tr->mx - top->mx));
+ int my_context= av_log2(2*ABS(left->my - top->my)) + 0*av_log2(2*ABS(tr->my - top->my));
+
+ type= get_rac(&s->c, &s->block_state[1 + left->type + top->type]) ? BLOCK_INTRA : 0;
+
+ if(type){
+ l += get_symbol(&s->c, &s->block_state[32], 1);
+ cb+= get_symbol(&s->c, &s->block_state[64], 1);
+ cr+= get_symbol(&s->c, &s->block_state[96], 1);
+ }else{
+ mx+= get_symbol(&s->c, &s->block_state[128 + 32*mx_context], 1);
+ my+= get_symbol(&s->c, &s->block_state[128 + 32*my_context], 1);
+ }
+ set_blocks(s, level, x, y, l, cb, cr, mx, my, type);
+ }else{
+ decode_q_branch(s, level+1, 2*x+0, 2*y+0);
+ decode_q_branch(s, level+1, 2*x+1, 2*y+0);
+ decode_q_branch(s, level+1, 2*x+0, 2*y+1);
+ decode_q_branch(s, level+1, 2*x+1, 2*y+1);
+ }
+}
+
+static void encode_blocks(SnowContext *s){
+ int x, y;
+ int w= s->b_width;
+ int h= s->b_height;
+
+ if(s->avctx->me_method == ME_ITER && !s->keyframe)
+ iterative_me(s);
+
+ for(y=0; y<h; y++){
+ if(s->c.bytestream_end - s->c.bytestream < w*MB_SIZE*MB_SIZE*3){ //FIXME nicer limit
+ av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
+ return;
+ }
+ for(x=0; x<w; x++){
+ if(s->avctx->me_method == ME_ITER)
+ encode_q_branch2(s, 0, x, y);
+ else
+ encode_q_branch (s, 0, x, y);
+ }
+ }
+}
+
+static void decode_blocks(SnowContext *s){
int x, y;
+ int w= s->b_width;
+ int h= s->b_height;
+
+ for(y=0; y<h; y++){
+ for(x=0; x<w; x++){
+ decode_q_branch(s, 0, x, y);
+ }
+ }
+}
+static void mc_block(uint8_t *dst, uint8_t *src, uint8_t *tmp, int stride, int b_w, int b_h, int dx, int dy){
+ int x, y;
+START_TIMER
for(y=0; y < b_h+5; y++){
for(x=0; x < b_w; x++){
- int a0= src[x + y*stride];
- int a1= src[x + 1 + y*stride];
- int a2= src[x + 2 + y*stride];
- int a3= src[x + 3 + y*stride];
- int a4= src[x + 4 + y*stride];
- int a5= src[x + 5 + y*stride];
+ int a0= src[x ];
+ int a1= src[x + 1];
+ int a2= src[x + 2];
+ int a3= src[x + 3];
+ int a4= src[x + 4];
+ int a5= src[x + 5];
// int am= 9*(a1+a2) - (a0+a3);
int am= 20*(a2+a3) - 5*(a1+a4) + (a0+a5);
// int am= 18*(a2+a3) - 2*(a1+a4);
// if(b_w==16) am= 8*(a1+a2);
- if(dx<8) tmp[x + y*stride]= (32*a2*( 8-dx) + am* dx + 128)>>8;
- else tmp[x + y*stride]= ( am*(16-dx) + 32*a3*(dx-8) + 128)>>8;
+ if(dx<8) am = (32*a2*( 8-dx) + am* dx + 128)>>8;
+ else am = ( am*(16-dx) + 32*a3*(dx-8) + 128)>>8;
+
+ /* FIXME Try increasing tmp buffer to 16 bits and not clipping here. Should give marginally better results. - Robert*/
+ if(am&(~255)) am= ~(am>>31);
+
+ tmp[x] = am;
/* if (dx< 4) tmp[x + y*stride]= (16*a1*( 4-dx) + aL* dx + 32)>>6;
else if(dx< 8) tmp[x + y*stride]= ( aL*( 8-dx) + am*(dx- 4) + 32)>>6;
else if(dx<12) tmp[x + y*stride]= ( am*(12-dx) + aR*(dx- 8) + 32)>>6;
else tmp[x + y*stride]= ( aR*(16-dx) + 16*a2*(dx-12) + 32)>>6;*/
}
+ tmp += stride;
+ src += stride;
}
+ tmp -= (b_h+5)*stride;
+
for(y=0; y < b_h; y++){
for(x=0; x < b_w; x++){
- int a0= tmp[x + y *stride];
- int a1= tmp[x + (y + 1)*stride];
- int a2= tmp[x + (y + 2)*stride];
- int a3= tmp[x + (y + 3)*stride];
- int a4= tmp[x + (y + 4)*stride];
- int a5= tmp[x + (y + 5)*stride];
+ int a0= tmp[x + 0*stride];
+ int a1= tmp[x + 1*stride];
+ int a2= tmp[x + 2*stride];
+ int a3= tmp[x + 3*stride];
+ int a4= tmp[x + 4*stride];
+ int a5= tmp[x + 5*stride];
int am= 20*(a2+a3) - 5*(a1+a4) + (a0+a5);
// int am= 18*(a2+a3) - 2*(a1+a4);
/* int aL= (-7*a0 + 105*a1 + 35*a2 - 5*a3)>>3;
int aR= (-7*a3 + 105*a2 + 35*a1 - 5*a0)>>3;*/
-
+
// if(b_w==16) am= 8*(a1+a2);
- if(dy<8) dst[x + y*stride]= (32*a2*( 8-dy) + am* dy + 128)>>8;
- else dst[x + y*stride]= ( am*(16-dy) + 32*a3*(dy-8) + 128)>>8;
+ if(dy<8) am = (32*a2*( 8-dy) + am* dy + 128)>>8;
+ else am = ( am*(16-dy) + 32*a3*(dy-8) + 128)>>8;
+ if(am&(~255)) am= ~(am>>31);
+
+ dst[x] = am;
/* if (dy< 4) tmp[x + y*stride]= (16*a1*( 4-dy) + aL* dy + 32)>>6;
else if(dy< 8) tmp[x + y*stride]= ( aL*( 8-dy) + am*(dy- 4) + 32)>>6;
else if(dy<12) tmp[x + y*stride]= ( am*(12-dy) + aR*(dy- 8) + 32)>>6;
else tmp[x + y*stride]= ( aR*(16-dy) + 16*a2*(dy-12) + 32)>>6;*/
}
+ dst += stride;
+ tmp += stride;
}
+STOP_TIMER("mc_block")
}
-#define mcb(dx,dy,b_w)\
-static void mc_block ## dx ## dy(uint8_t *dst, uint8_t *src, int stride){\
- uint8_t tmp[stride*(b_w+5)];\
- mc_block(dst, src-2-2*stride, tmp, stride, b_w, b_w, dx, dy);\
-}
-
-mcb( 0, 0,16)
-mcb( 4, 0,16)
-mcb( 8, 0,16)
-mcb(12, 0,16)
-mcb( 0, 4,16)
-mcb( 4, 4,16)
-mcb( 8, 4,16)
-mcb(12, 4,16)
-mcb( 0, 8,16)
-mcb( 4, 8,16)
-mcb( 8, 8,16)
-mcb(12, 8,16)
-mcb( 0,12,16)
-mcb( 4,12,16)
-mcb( 8,12,16)
-mcb(12,12,16)
-
#define mca(dx,dy,b_w)\
-static void mc_block_hpel ## dx ## dy(uint8_t *dst, uint8_t *src, int stride, int h){\
+static void mc_block_hpel ## dx ## dy ## b_w(uint8_t *dst, uint8_t *src, int stride, int h){\
uint8_t tmp[stride*(b_w+5)];\
assert(h==b_w);\
mc_block(dst, src-2-2*stride, tmp, stride, b_w, b_w, dx, dy);\
mca( 8, 0,16)
mca( 0, 8,16)
mca( 8, 8,16)
+mca( 0, 0,8)
+mca( 8, 0,8)
+mca( 0, 8,8)
+mca( 8, 8,8)
+
+static void pred_block(SnowContext *s, uint8_t *dst, uint8_t *src, uint8_t *tmp, int stride, int sx, int sy, int b_w, int b_h, BlockNode *block, int plane_index, int w, int h){
+ if(block->type & BLOCK_INTRA){
+ int x, y;
+ const int color = block->color[plane_index];
+ const int color4= color*0x01010101;
+ if(b_w==16){
+ for(y=0; y < b_h; y++){
+ *(uint32_t*)&dst[0 + y*stride]= color4;
+ *(uint32_t*)&dst[4 + y*stride]= color4;
+ *(uint32_t*)&dst[8 + y*stride]= color4;
+ *(uint32_t*)&dst[12+ y*stride]= color4;
+ }
+ }else if(b_w==8){
+ for(y=0; y < b_h; y++){
+ *(uint32_t*)&dst[0 + y*stride]= color4;
+ *(uint32_t*)&dst[4 + y*stride]= color4;
+ }
+ }else if(b_w==4){
+ for(y=0; y < b_h; y++){
+ *(uint32_t*)&dst[0 + y*stride]= color4;
+ }
+ }else{
+ for(y=0; y < b_h; y++){
+ for(x=0; x < b_w; x++){
+ dst[x + y*stride]= color;
+ }
+ }
+ }
+ }else{
+ const int scale= plane_index ? s->mv_scale : 2*s->mv_scale;
+ int mx= block->mx*scale;
+ int my= block->my*scale;
+ const int dx= mx&15;
+ const int dy= my&15;
+ sx += (mx>>4) - 2;
+ sy += (my>>4) - 2;
+ src += sx + sy*stride;
+ if( (unsigned)sx >= w - b_w - 4
+ || (unsigned)sy >= h - b_h - 4){
+ ff_emulated_edge_mc(tmp + MB_SIZE, src, stride, b_w+5, b_h+5, sx, sy, w, h);
+ src= tmp + MB_SIZE;
+ }
+ assert(b_w == b_h || 2*b_w == b_h || b_w == 2*b_h);
+ assert(!(b_w&(b_w-1)));
+ assert(b_w>1 && b_h>1);
+ if((dx&3) || (dy&3) || b_w==2 || b_h==2)
+ mc_block(dst, src, tmp, stride, b_w, b_h, dx, dy);
+ else if(b_w==b_h)
+ s->dsp.put_h264_qpel_pixels_tab[2-(b_w>>3)][dy+(dx>>2)](dst,src + 2 + 2*stride,stride);
+ else if(b_w==2*b_h){
+ s->dsp.put_h264_qpel_pixels_tab[2-(b_h>>3)][dy+(dx>>2)](dst ,src + 2 + 2*stride,stride);
+ s->dsp.put_h264_qpel_pixels_tab[2-(b_h>>3)][dy+(dx>>2)](dst+b_h,src + 2 + b_h + 2*stride,stride);
+ }else{
+ assert(2*b_w==b_h);
+ s->dsp.put_h264_qpel_pixels_tab[2-(b_w>>3)][dy+(dx>>2)](dst ,src + 2 + 2*stride ,stride);
+ s->dsp.put_h264_qpel_pixels_tab[2-(b_w>>3)][dy+(dx>>2)](dst+b_w*stride,src + 2 + 2*stride+b_w*stride,stride);
+ }
+ }
+}
-static void add_xblock(DWTELEM *dst, uint8_t *src, uint8_t *obmc, int s_x, int s_y, int b_w, int b_h, int mv_x, int mv_y, int w, int h, int dst_stride, int src_stride, int obmc_stride, int mb_type, int add){
- uint8_t tmp[src_stride*(b_h+5)]; //FIXME move to context to gurantee alignment
+//FIXME name clenup (b_w, block_w, b_width stuff)
+static always_inline void add_yblock_buffered(SnowContext *s, slice_buffer * sb, DWTELEM *old_dst, uint8_t *dst8, uint8_t *src, uint8_t *obmc, int src_x, int src_y, int b_w, int b_h, int w, int h, int dst_stride, int src_stride, int obmc_stride, int b_x, int b_y, int add, int plane_index){
+ DWTELEM * dst = NULL;
+ const int b_width = s->b_width << s->block_max_depth;
+ const int b_height= s->b_height << s->block_max_depth;
+ const int b_stride= b_width;
+ BlockNode *lt= &s->block[b_x + b_y*b_stride];
+ BlockNode *rt= lt+1;
+ BlockNode *lb= lt+b_stride;
+ BlockNode *rb= lb+1;
+ uint8_t *block[4];
+ int tmp_step= src_stride >= 7*MB_SIZE ? MB_SIZE : MB_SIZE*src_stride;
+ uint8_t tmp[src_stride*7*MB_SIZE]; //FIXME align
+ uint8_t *ptmp;
int x,y;
- if(s_x<0){
- obmc -= s_x;
- b_w += s_x;
- s_x=0;
- }else if(s_x + b_w > w){
- b_w = w - s_x;
+ if(b_x<0){
+ lt= rt;
+ lb= rb;
+ }else if(b_x + 1 >= b_width){
+ rt= lt;
+ rb= lb;
}
- if(s_y<0){
- obmc -= s_y*obmc_stride;
- b_h += s_y;
- s_y=0;
- }else if(s_y + b_h> h){
- b_h = h - s_y;
+ if(b_y<0){
+ lt= lb;
+ rt= rb;
+ }else if(b_y + 1 >= b_height){
+ lb= lt;
+ rb= rt;
+ }
+
+ if(src_x<0){ //FIXME merge with prev & always round internal width upto *16
+ obmc -= src_x;
+ b_w += src_x;
+ src_x=0;
+ }else if(src_x + b_w > w){
+ b_w = w - src_x;
+ }
+ if(src_y<0){
+ obmc -= src_y*obmc_stride;
+ b_h += src_y;
+ src_y=0;
+ }else if(src_y + b_h> h){
+ b_h = h - src_y;
}
if(b_w<=0 || b_h<=0) return;
-
- dst += s_x + s_y*dst_stride;
-
- if(mb_type==1){
- src += s_x + s_y*src_stride;
- for(y=0; y < b_h; y++){
- for(x=0; x < b_w; x++){
- if(add) dst[x + y*dst_stride] += obmc[x + y*obmc_stride] * 128 * (256/OBMC_MAX);
- else dst[x + y*dst_stride] -= obmc[x + y*obmc_stride] * 128 * (256/OBMC_MAX);
+
+assert(src_stride > 2*MB_SIZE + 5);
+// old_dst += src_x + src_y*dst_stride;
+ dst8+= src_x + src_y*src_stride;
+// src += src_x + src_y*src_stride;
+
+ ptmp= tmp + 3*tmp_step;
+ block[0]= ptmp;
+ ptmp+=tmp_step;
+ pred_block(s, block[0], src, tmp, src_stride, src_x, src_y, b_w, b_h, lt, plane_index, w, h);
+
+ if(same_block(lt, rt)){
+ block[1]= block[0];
+ }else{
+ block[1]= ptmp;
+ ptmp+=tmp_step;
+ pred_block(s, block[1], src, tmp, src_stride, src_x, src_y, b_w, b_h, rt, plane_index, w, h);
+ }
+
+ if(same_block(lt, lb)){
+ block[2]= block[0];
+ }else if(same_block(rt, lb)){
+ block[2]= block[1];
+ }else{
+ block[2]= ptmp;
+ ptmp+=tmp_step;
+ pred_block(s, block[2], src, tmp, src_stride, src_x, src_y, b_w, b_h, lb, plane_index, w, h);
+ }
+
+ if(same_block(lt, rb) ){
+ block[3]= block[0];
+ }else if(same_block(rt, rb)){
+ block[3]= block[1];
+ }else if(same_block(lb, rb)){
+ block[3]= block[2];
+ }else{
+ block[3]= ptmp;
+ pred_block(s, block[3], src, tmp, src_stride, src_x, src_y, b_w, b_h, rb, plane_index, w, h);
+ }
+#if 0
+ for(y=0; y<b_h; y++){
+ for(x=0; x<b_w; x++){
+ int v= obmc [x + y*obmc_stride] * block[3][x + y*src_stride] * (256/OBMC_MAX);
+ if(add) dst[x + y*dst_stride] += v;
+ else dst[x + y*dst_stride] -= v;
+ }
+ }
+ for(y=0; y<b_h; y++){
+ uint8_t *obmc2= obmc + (obmc_stride>>1);
+ for(x=0; x<b_w; x++){
+ int v= obmc2[x + y*obmc_stride] * block[2][x + y*src_stride] * (256/OBMC_MAX);
+ if(add) dst[x + y*dst_stride] += v;
+ else dst[x + y*dst_stride] -= v;
+ }
+ }
+ for(y=0; y<b_h; y++){
+ uint8_t *obmc3= obmc + obmc_stride*(obmc_stride>>1);
+ for(x=0; x<b_w; x++){
+ int v= obmc3[x + y*obmc_stride] * block[1][x + y*src_stride] * (256/OBMC_MAX);
+ if(add) dst[x + y*dst_stride] += v;
+ else dst[x + y*dst_stride] -= v;
+ }
+ }
+ for(y=0; y<b_h; y++){
+ uint8_t *obmc3= obmc + obmc_stride*(obmc_stride>>1);
+ uint8_t *obmc4= obmc3+ (obmc_stride>>1);
+ for(x=0; x<b_w; x++){
+ int v= obmc4[x + y*obmc_stride] * block[0][x + y*src_stride] * (256/OBMC_MAX);
+ if(add) dst[x + y*dst_stride] += v;
+ else dst[x + y*dst_stride] -= v;
+ }
+ }
+#else
+{
+
+ START_TIMER
+
+ for(y=0; y<b_h; y++){
+ //FIXME ugly missue of obmc_stride
+ uint8_t *obmc1= obmc + y*obmc_stride;
+ uint8_t *obmc2= obmc1+ (obmc_stride>>1);
+ uint8_t *obmc3= obmc1+ obmc_stride*(obmc_stride>>1);
+ uint8_t *obmc4= obmc3+ (obmc_stride>>1);
+ dst = slice_buffer_get_line(sb, src_y + y);
+ for(x=0; x<b_w; x++){
+ int v= obmc1[x] * block[3][x + y*src_stride]
+ +obmc2[x] * block[2][x + y*src_stride]
+ +obmc3[x] * block[1][x + y*src_stride]
+ +obmc4[x] * block[0][x + y*src_stride];
+
+ v <<= 8 - LOG2_OBMC_MAX;
+ if(FRAC_BITS != 8){
+ v += 1<<(7 - FRAC_BITS);
+ v >>= 8 - FRAC_BITS;
+ }
+ if(add){
+// v += old_dst[x + y*dst_stride];
+ v += dst[x + src_x];
+ v = (v + (1<<(FRAC_BITS-1))) >> FRAC_BITS;
+ if(v&(~255)) v= ~(v>>31);
+ dst8[x + y*src_stride] = v;
+ }else{
+// old_dst[x + y*dst_stride] -= v;
+ dst[x + src_x] -= v;
}
}
+ }
+ STOP_TIMER("Inner add y block")
+}
+#endif
+}
+
+//FIXME name clenup (b_w, block_w, b_width stuff)
+static always_inline void add_yblock(SnowContext *s, DWTELEM *dst, uint8_t *dst8, uint8_t *src, uint8_t *obmc, int src_x, int src_y, int b_w, int b_h, int w, int h, int dst_stride, int src_stride, int obmc_stride, int b_x, int b_y, int add, int plane_index){
+ const int b_width = s->b_width << s->block_max_depth;
+ const int b_height= s->b_height << s->block_max_depth;
+ const int b_stride= b_width;
+ BlockNode *lt= &s->block[b_x + b_y*b_stride];
+ BlockNode *rt= lt+1;
+ BlockNode *lb= lt+b_stride;
+ BlockNode *rb= lb+1;
+ uint8_t *block[4];
+ int tmp_step= src_stride >= 7*MB_SIZE ? MB_SIZE : MB_SIZE*src_stride;
+ uint8_t tmp[src_stride*7*MB_SIZE]; //FIXME align
+ uint8_t *ptmp;
+ int x,y;
+
+ if(b_x<0){
+ lt= rt;
+ lb= rb;
+ }else if(b_x + 1 >= b_width){
+ rt= lt;
+ rb= lb;
+ }
+ if(b_y<0){
+ lt= lb;
+ rt= rb;
+ }else if(b_y + 1 >= b_height){
+ lb= lt;
+ rb= rt;
+ }
+
+ if(src_x<0){ //FIXME merge with prev & always round internal width upto *16
+ obmc -= src_x;
+ b_w += src_x;
+ src_x=0;
+ }else if(src_x + b_w > w){
+ b_w = w - src_x;
+ }
+ if(src_y<0){
+ obmc -= src_y*obmc_stride;
+ b_h += src_y;
+ src_y=0;
+ }else if(src_y + b_h> h){
+ b_h = h - src_y;
+ }
+
+ if(b_w<=0 || b_h<=0) return;
+
+assert(src_stride > 2*MB_SIZE + 5);
+ dst += src_x + src_y*dst_stride;
+ dst8+= src_x + src_y*src_stride;
+// src += src_x + src_y*src_stride;
+
+ ptmp= tmp + 3*tmp_step;
+ block[0]= ptmp;
+ ptmp+=tmp_step;
+ pred_block(s, block[0], src, tmp, src_stride, src_x, src_y, b_w, b_h, lt, plane_index, w, h);
+
+ if(same_block(lt, rt)){
+ block[1]= block[0];
}else{
- int dx= mv_x&15;
- int dy= mv_y&15;
-// int dxy= (mv_x&1) + 2*(mv_y&1);
-
- s_x += (mv_x>>4) - 2;
- s_y += (mv_y>>4) - 2;
- src += s_x + s_y*src_stride;
- //use dsputil
-
- if( (unsigned)s_x >= w - b_w - 4
- || (unsigned)s_y >= h - b_h - 4){
- ff_emulated_edge_mc(tmp + 32, src, src_stride, b_w+5, b_h+5, s_x, s_y, w, h);
- src= tmp + 32;
- }
-
- if(mb_type==0){
- mc_block(tmp, src, tmp + 64+8, src_stride, b_w, b_h, dx, dy);
- }else{
- int sum=0;
- for(y=0; y < b_h; y++){
- for(x=0; x < b_w; x++){
- sum += src[x+ y*src_stride];
- }
+ block[1]= ptmp;
+ ptmp+=tmp_step;
+ pred_block(s, block[1], src, tmp, src_stride, src_x, src_y, b_w, b_h, rt, plane_index, w, h);
+ }
+
+ if(same_block(lt, lb)){
+ block[2]= block[0];
+ }else if(same_block(rt, lb)){
+ block[2]= block[1];
+ }else{
+ block[2]= ptmp;
+ ptmp+=tmp_step;
+ pred_block(s, block[2], src, tmp, src_stride, src_x, src_y, b_w, b_h, lb, plane_index, w, h);
+ }
+
+ if(same_block(lt, rb) ){
+ block[3]= block[0];
+ }else if(same_block(rt, rb)){
+ block[3]= block[1];
+ }else if(same_block(lb, rb)){
+ block[3]= block[2];
+ }else{
+ block[3]= ptmp;
+ pred_block(s, block[3], src, tmp, src_stride, src_x, src_y, b_w, b_h, rb, plane_index, w, h);
+ }
+#if 0
+ for(y=0; y<b_h; y++){
+ for(x=0; x<b_w; x++){
+ int v= obmc [x + y*obmc_stride] * block[3][x + y*src_stride] * (256/OBMC_MAX);
+ if(add) dst[x + y*dst_stride] += v;
+ else dst[x + y*dst_stride] -= v;
+ }
+ }
+ for(y=0; y<b_h; y++){
+ uint8_t *obmc2= obmc + (obmc_stride>>1);
+ for(x=0; x<b_w; x++){
+ int v= obmc2[x + y*obmc_stride] * block[2][x + y*src_stride] * (256/OBMC_MAX);
+ if(add) dst[x + y*dst_stride] += v;
+ else dst[x + y*dst_stride] -= v;
+ }
+ }
+ for(y=0; y<b_h; y++){
+ uint8_t *obmc3= obmc + obmc_stride*(obmc_stride>>1);
+ for(x=0; x<b_w; x++){
+ int v= obmc3[x + y*obmc_stride] * block[1][x + y*src_stride] * (256/OBMC_MAX);
+ if(add) dst[x + y*dst_stride] += v;
+ else dst[x + y*dst_stride] -= v;
+ }
+ }
+ for(y=0; y<b_h; y++){
+ uint8_t *obmc3= obmc + obmc_stride*(obmc_stride>>1);
+ uint8_t *obmc4= obmc3+ (obmc_stride>>1);
+ for(x=0; x<b_w; x++){
+ int v= obmc4[x + y*obmc_stride] * block[0][x + y*src_stride] * (256/OBMC_MAX);
+ if(add) dst[x + y*dst_stride] += v;
+ else dst[x + y*dst_stride] -= v;
+ }
+ }
+#else
+ for(y=0; y<b_h; y++){
+ //FIXME ugly missue of obmc_stride
+ uint8_t *obmc1= obmc + y*obmc_stride;
+ uint8_t *obmc2= obmc1+ (obmc_stride>>1);
+ uint8_t *obmc3= obmc1+ obmc_stride*(obmc_stride>>1);
+ uint8_t *obmc4= obmc3+ (obmc_stride>>1);
+ for(x=0; x<b_w; x++){
+ int v= obmc1[x] * block[3][x + y*src_stride]
+ +obmc2[x] * block[2][x + y*src_stride]
+ +obmc3[x] * block[1][x + y*src_stride]
+ +obmc4[x] * block[0][x + y*src_stride];
+
+ v <<= 8 - LOG2_OBMC_MAX;
+ if(FRAC_BITS != 8){
+ v += 1<<(7 - FRAC_BITS);
+ v >>= 8 - FRAC_BITS;
}
- sum= (sum + b_h*b_w/2) / (b_h*b_w);
- for(y=0; y < b_h; y++){
- for(x=0; x < b_w; x++){
- tmp[x + y*src_stride]= sum;
- }
+ if(add){
+ v += dst[x + y*dst_stride];
+ v = (v + (1<<(FRAC_BITS-1))) >> FRAC_BITS;
+ if(v&(~255)) v= ~(v>>31);
+ dst8[x + y*src_stride] = v;
+ }else{
+ dst[x + y*dst_stride] -= v;
}
}
+ }
+#endif
+}
- for(y=0; y < b_h; y++){
- for(x=0; x < b_w; x++){
- if(add) dst[x + y*dst_stride] += obmc[x + y*obmc_stride] * tmp[x + y*src_stride] * (256/OBMC_MAX);
- else dst[x + y*dst_stride] -= obmc[x + y*obmc_stride] * tmp[x + y*src_stride] * (256/OBMC_MAX);
+static always_inline void predict_slice_buffered(SnowContext *s, slice_buffer * sb, DWTELEM * old_buffer, int plane_index, int add, int mb_y){
+ Plane *p= &s->plane[plane_index];
+ const int mb_w= s->b_width << s->block_max_depth;
+ const int mb_h= s->b_height << s->block_max_depth;
+ int x, y, mb_x;
+ int block_size = MB_SIZE >> s->block_max_depth;
+ int block_w = plane_index ? block_size/2 : block_size;
+ const uint8_t *obmc = plane_index ? obmc_tab[s->block_max_depth+1] : obmc_tab[s->block_max_depth];
+ int obmc_stride= plane_index ? block_size : 2*block_size;
+ int ref_stride= s->current_picture.linesize[plane_index];
+ uint8_t *ref = s->last_picture.data[plane_index];
+ uint8_t *dst8= s->current_picture.data[plane_index];
+ int w= p->width;
+ int h= p->height;
+ START_TIMER
+
+ if(s->keyframe || (s->avctx->debug&512)){
+ if(mb_y==mb_h)
+ return;
+
+ if(add){
+ for(y=block_w*mb_y; y<FFMIN(h,block_w*(mb_y+1)); y++)
+ {
+// DWTELEM * line = slice_buffer_get_line(sb, y);
+ DWTELEM * line = sb->line[y];
+ for(x=0; x<w; x++)
+ {
+// int v= buf[x + y*w] + (128<<FRAC_BITS) + (1<<(FRAC_BITS-1));
+ int v= line[x] + (128<<FRAC_BITS) + (1<<(FRAC_BITS-1));
+ v >>= FRAC_BITS;
+ if(v&(~255)) v= ~(v>>31);
+ dst8[x + y*ref_stride]= v;
+ }
+ }
+ }else{
+ for(y=block_w*mb_y; y<FFMIN(h,block_w*(mb_y+1)); y++)
+ {
+// DWTELEM * line = slice_buffer_get_line(sb, y);
+ DWTELEM * line = sb->line[y];
+ for(x=0; x<w; x++)
+ {
+ line[x] -= 128 << FRAC_BITS;
+// buf[x + y*w]-= 128<<FRAC_BITS;
+ }
}
}
+
+ return;
}
+
+ for(mb_x=0; mb_x<=mb_w; mb_x++){
+ START_TIMER
+
+ add_yblock_buffered(s, sb, old_buffer, dst8, ref, obmc,
+ block_w*mb_x - block_w/2,
+ block_w*mb_y - block_w/2,
+ block_w, block_w,
+ w, h,
+ w, ref_stride, obmc_stride,
+ mb_x - 1, mb_y - 1,
+ add, plane_index);
+
+ STOP_TIMER("add_yblock")
+ }
+
+ STOP_TIMER("predict_slice")
}
-static void predict_plane(SnowContext *s, DWTELEM *buf, int plane_index, int add){
+static always_inline void predict_slice(SnowContext *s, DWTELEM *buf, int plane_index, int add, int mb_y){
Plane *p= &s->plane[plane_index];
- const int mb_w= s->mb_band.width;
- const int mb_h= s->mb_band.height;
- const int mb_stride= s->mb_band.stride;
- int x, y, mb_x, mb_y;
- int scale = plane_index ? s->mv_scale : 2*s->mv_scale;
- int block_w = plane_index ? 8 : 16;
- uint8_t *obmc = plane_index ? obmc16 : obmc32;
- int obmc_stride= plane_index ? 16 : 32;
- int ref_stride= s->last_picture.linesize[plane_index];
+ const int mb_w= s->b_width << s->block_max_depth;
+ const int mb_h= s->b_height << s->block_max_depth;
+ int x, y, mb_x;
+ int block_size = MB_SIZE >> s->block_max_depth;
+ int block_w = plane_index ? block_size/2 : block_size;
+ const uint8_t *obmc = plane_index ? obmc_tab[s->block_max_depth+1] : obmc_tab[s->block_max_depth];
+ const int obmc_stride= plane_index ? block_size : 2*block_size;
+ int ref_stride= s->current_picture.linesize[plane_index];
uint8_t *ref = s->last_picture.data[plane_index];
+ uint8_t *dst8= s->current_picture.data[plane_index];
int w= p->width;
int h= p->height;
-
-if(s->avctx->debug&512){
- for(y=0; y<h; y++){
- for(x=0; x<w; x++){
- if(add) buf[x + y*w]+= 128*256;
- else buf[x + y*w]-= 128*256;
+ START_TIMER
+
+ if(s->keyframe || (s->avctx->debug&512)){
+ if(mb_y==mb_h)
+ return;
+
+ if(add){
+ for(y=block_w*mb_y; y<FFMIN(h,block_w*(mb_y+1)); y++){
+ for(x=0; x<w; x++){
+ int v= buf[x + y*w] + (128<<FRAC_BITS) + (1<<(FRAC_BITS-1));
+ v >>= FRAC_BITS;
+ if(v&(~255)) v= ~(v>>31);
+ dst8[x + y*ref_stride]= v;
+ }
+ }
+ }else{
+ for(y=block_w*mb_y; y<FFMIN(h,block_w*(mb_y+1)); y++){
+ for(x=0; x<w; x++){
+ buf[x + y*w]-= 128<<FRAC_BITS;
+ }
+ }
}
+
+ return;
}
-
- return;
-}
- for(mb_y=-1; mb_y<=mb_h; mb_y++){
- for(mb_x=-1; mb_x<=mb_w; mb_x++){
- int index= clip(mb_x, 0, mb_w-1) + clip(mb_y, 0, mb_h-1)*mb_stride;
- add_xblock(buf, ref, obmc,
- block_w*mb_x - block_w/2,
+ for(mb_x=0; mb_x<=mb_w; mb_x++){
+ START_TIMER
+
+ add_yblock(s, buf, dst8, ref, obmc,
+ block_w*mb_x - block_w/2,
block_w*mb_y - block_w/2,
- 2*block_w, 2*block_w,
- s->mv_band[0].buf[index]*scale, s->mv_band[1].buf[index]*scale,
+ block_w, block_w,
w, h,
- w, ref_stride, obmc_stride,
- s->mb_band.buf[index], add);
+ w, ref_stride, obmc_stride,
+ mb_x - 1, mb_y - 1,
+ add, plane_index);
+
+ STOP_TIMER("add_yblock")
+ }
+
+ STOP_TIMER("predict_slice")
+}
+
+static always_inline void predict_plane(SnowContext *s, DWTELEM *buf, int plane_index, int add){
+ const int mb_h= s->b_height << s->block_max_depth;
+ int mb_y;
+ for(mb_y=0; mb_y<=mb_h; mb_y++)
+ predict_slice(s, buf, plane_index, add, mb_y);
+}
+
+static int get_dc(SnowContext *s, int mb_x, int mb_y, int plane_index){
+ int i, x2, y2;
+ Plane *p= &s->plane[plane_index];
+ const int block_size = MB_SIZE >> s->block_max_depth;
+ const int block_w = plane_index ? block_size/2 : block_size;
+ const uint8_t *obmc = plane_index ? obmc_tab[s->block_max_depth+1] : obmc_tab[s->block_max_depth];
+ const int obmc_stride= plane_index ? block_size : 2*block_size;
+ const int ref_stride= s->current_picture.linesize[plane_index];
+ uint8_t *ref= s-> last_picture.data[plane_index];
+ uint8_t *dst= s->current_picture.data[plane_index];
+ uint8_t *src= s-> input_picture.data[plane_index];
+ const static DWTELEM zero_dst[4096]; //FIXME
+ const int b_stride = s->b_width << s->block_max_depth;
+ const int w= p->width;
+ const int h= p->height;
+ int index= mb_x + mb_y*b_stride;
+ BlockNode *b= &s->block[index];
+ BlockNode backup= *b;
+ int ab=0;
+ int aa=0;
+
+ b->type|= BLOCK_INTRA;
+ b->color[plane_index]= 0;
+
+ for(i=0; i<4; i++){
+ int mb_x2= mb_x + (i &1) - 1;
+ int mb_y2= mb_y + (i>>1) - 1;
+ int x= block_w*mb_x2 + block_w/2;
+ int y= block_w*mb_y2 + block_w/2;
+
+ add_yblock(s, zero_dst, dst, ref, obmc,
+ x, y, block_w, block_w, w, h, /*dst_stride*/0, ref_stride, obmc_stride, mb_x2, mb_y2, 1, plane_index);
+
+ for(y2= FFMAX(y, 0); y2<FFMIN(h, y+block_w); y2++){
+ for(x2= FFMAX(x, 0); x2<FFMIN(w, x+block_w); x2++){
+ int index= x2-(block_w*mb_x - block_w/2) + (y2-(block_w*mb_y - block_w/2))*obmc_stride;
+ int obmc_v= obmc[index];
+ if(y<0) obmc_v += obmc[index + block_w*obmc_stride];
+ if(x<0) obmc_v += obmc[index + block_w];
+ if(y+block_w>h) obmc_v += obmc[index - block_w*obmc_stride];
+ if(x+block_w>w) obmc_v += obmc[index - block_w];
+ //FIXME precalc this or simplify it somehow else
+
+ ab += (src[x2 + y2*ref_stride] - dst[x2 + y2*ref_stride]) * obmc_v;
+ aa += obmc_v * obmc_v; //FIXME precalclate this
+ }
+ }
+ }
+ *b= backup;
+
+ return clip(((ab<<6) + aa/2)/aa, 0, 255); //FIXME we shouldnt need cliping
+}
+
+static int get_block_rd(SnowContext *s, int mb_x, int mb_y, int plane_index){
+ int i, y2;
+ Plane *p= &s->plane[plane_index];
+ const int block_size = MB_SIZE >> s->block_max_depth;
+ const int block_w = plane_index ? block_size/2 : block_size;
+ const uint8_t *obmc = plane_index ? obmc_tab[s->block_max_depth+1] : obmc_tab[s->block_max_depth];
+ const int obmc_stride= plane_index ? block_size : 2*block_size;
+ const int ref_stride= s->current_picture.linesize[plane_index];
+ uint8_t *ref= s-> last_picture.data[plane_index];
+ uint8_t *dst= s->current_picture.data[plane_index];
+ uint8_t *src= s-> input_picture.data[plane_index];
+ const static DWTELEM zero_dst[4096]; //FIXME
+ const int b_stride = s->b_width << s->block_max_depth;
+ const int b_height = s->b_height<< s->block_max_depth;
+ const int w= p->width;
+ const int h= p->height;
+ int distortion= 0;
+ int rate= 0;
+ const int penalty_factor= get_penalty_factor(s->lambda, s->lambda2, s->avctx->me_cmp);
+
+ for(i=0; i<4; i++){
+ int mb_x2= mb_x + (i &1) - 1;
+ int mb_y2= mb_y + (i>>1) - 1;
+ int x= block_w*mb_x2 + block_w/2;
+ int y= block_w*mb_y2 + block_w/2;
+
+ add_yblock(s, zero_dst, dst, ref, obmc,
+ x, y, block_w, block_w, w, h, /*dst_stride*/0, ref_stride, obmc_stride, mb_x2, mb_y2, 1, plane_index);
+
+ //FIXME find a cleaner/simpler way to skip the outside stuff
+ for(y2= y; y2<0; y2++)
+ memcpy(dst + x + y2*ref_stride, src + x + y2*ref_stride, block_w);
+ for(y2= h; y2<y+block_w; y2++)
+ memcpy(dst + x + y2*ref_stride, src + x + y2*ref_stride, block_w);
+ if(x<0){
+ for(y2= y; y2<y+block_w; y2++)
+ memcpy(dst + x + y2*ref_stride, src + x + y2*ref_stride, -x);
+ }
+ if(x+block_w > w){
+ for(y2= y; y2<y+block_w; y2++)
+ memcpy(dst + w + y2*ref_stride, src + w + y2*ref_stride, x+block_w - w);
+ }
+
+ assert(block_w== 8 || block_w==16);
+ distortion += s->dsp.me_cmp[block_w==8](&s->m, src + x + y*ref_stride, dst + x + y*ref_stride, ref_stride, block_w);
+ }
+
+ if(plane_index==0){
+ for(i=0; i<4; i++){
+/* ..RRr
+ * .RXx.
+ * rxx..
+ */
+ int x= mb_x + (i&1) - (i>>1);
+ int y= mb_y + (i>>1);
+ int index= x + y*b_stride;
+ BlockNode *b = &s->block[index];
+ BlockNode *left = x ? &s->block[index-1] : &null_block;
+ BlockNode *top = y ? &s->block[index-b_stride] : &null_block;
+ BlockNode *tl = y && x ? &s->block[index-b_stride-1] : left;
+ BlockNode *tr = y && x+1<b_stride ? &s->block[index-b_stride+1] : tl;
+ int dmx= b->mx - mid_pred(left->mx, top->mx, tr->mx);
+ int dmy= b->my - mid_pred(left->my, top->my, tr->my);
+// int mx_context= av_log2(2*ABS(left->mx - top->mx));
+// int my_context= av_log2(2*ABS(left->my - top->my));
+
+ if(x<0 || x>=b_stride || y>=b_height)
+ continue;
+/*
+1 0 0
+01X 1-2 1
+001XX 3-6 2-3
+0001XXX 7-14 4-7
+00001XXXX 15-30 8-15
+*/
+//FIXME try accurate rate
+//FIXME intra and inter predictors if surrounding blocks arent the same type
+ if(b->type & BLOCK_INTRA){
+ rate += 3+2*( av_log2(2*ABS(left->color[0] - b->color[0]))
+ + av_log2(2*ABS(left->color[1] - b->color[1]))
+ + av_log2(2*ABS(left->color[2] - b->color[2])));
+ }else
+ rate += 2*(1 + av_log2(2*ABS(dmx))
+ + av_log2(2*ABS(dmy))); //FIXME kill the 2* can be merged in lambda
+ }
+ }
+
+ return distortion + rate*penalty_factor;
+}
+
+static always_inline int check_block(SnowContext *s, int mb_x, int mb_y, int p[3], int intra, int *best_rd){
+ const int b_stride= s->b_width << s->block_max_depth;
+ BlockNode *block= &s->block[mb_x + mb_y * b_stride];
+ BlockNode backup= *block;
+ int rd, index, value;
+
+ assert(mb_x>=0 && mb_y>=0);
+ assert(mb_x<b_stride);
+
+ if(intra){
+ block->color[0] = p[0];
+ block->color[1] = p[1];
+ block->color[2] = p[2];
+ block->type |= BLOCK_INTRA;
+ }else{
+ index= (p[0] + 31*p[1]) & (ME_CACHE_SIZE-1);
+ value= s->me_cache_generation + (p[0]>>10) + (p[1]<<6);
+ if(s->me_cache[index] == value)
+ return 0;
+ s->me_cache[index]= value;
+
+ block->mx= p[0];
+ block->my= p[1];
+ block->type &= ~BLOCK_INTRA;
+ }
+
+ rd= get_block_rd(s, mb_x, mb_y, 0);
+
+//FIXME chroma
+ if(rd < *best_rd){
+ *best_rd= rd;
+ return 1;
+ }else{
+ *block= backup;
+ return 0;
+ }
+}
+
+/* special case for int[2] args we discard afterward, fixes compilation prob with gcc 2.95 */
+static always_inline int check_block_inter(SnowContext *s, int mb_x, int mb_y, int p0, int p1, int intra, int *best_rd){
+ int p[2] = {p0, p1};
+ return check_block(s, mb_x, mb_y, p, intra, best_rd);
+}
+static void iterative_me(SnowContext *s){
+ int pass, mb_x, mb_y;
+ const int b_width = s->b_width << s->block_max_depth;
+ const int b_height= s->b_height << s->block_max_depth;
+ const int b_stride= b_width;
+ int color[3];
+
+ for(pass=0; pass<50; pass++){
+ int change= 0;
+
+ for(mb_y= 0; mb_y<b_height; mb_y++){
+ for(mb_x= 0; mb_x<b_width; mb_x++){
+ int dia_change, i, j;
+ int best_rd= INT_MAX;
+ BlockNode backup;
+ const int index= mb_x + mb_y * b_stride;
+ BlockNode *block= &s->block[index];
+ BlockNode *tb = mb_y ? &s->block[index-b_stride ] : &null_block;
+ BlockNode *lb = mb_x ? &s->block[index -1] : &null_block;
+ BlockNode *rb = mb_x<b_width ? &s->block[index +1] : &null_block;
+ BlockNode *bb = mb_y<b_height ? &s->block[index+b_stride ] : &null_block;
+ BlockNode *tlb= mb_x && mb_y ? &s->block[index-b_stride-1] : &null_block;
+ BlockNode *trb= mb_x<b_width && mb_y ? &s->block[index-b_stride+1] : &null_block;
+ BlockNode *blb= mb_x && mb_y<b_height ? &s->block[index+b_stride-1] : &null_block;
+ BlockNode *brb= mb_x<b_width && mb_y<b_height ? &s->block[index+b_stride+1] : &null_block;
+
+ if(pass && (block->type & BLOCK_OPT))
+ continue;
+ block->type |= BLOCK_OPT;
+
+ backup= *block;
+
+ if(!s->me_cache_generation)
+ memset(s->me_cache, 0, sizeof(s->me_cache));
+ s->me_cache_generation += 1<<22;
+
+ // get previous score (cant be cached due to OBMC)
+ check_block_inter(s, mb_x, mb_y, block->mx, block->my, 0, &best_rd);
+ check_block_inter(s, mb_x, mb_y, 0, 0, 0, &best_rd);
+ check_block_inter(s, mb_x, mb_y, tb->mx, tb->my, 0, &best_rd);
+ check_block_inter(s, mb_x, mb_y, lb->mx, lb->my, 0, &best_rd);
+ check_block_inter(s, mb_x, mb_y, rb->mx, rb->my, 0, &best_rd);
+ check_block_inter(s, mb_x, mb_y, bb->mx, bb->my, 0, &best_rd);
+
+ /* fullpel ME */
+ //FIXME avoid subpel interpol / round to nearest integer
+ do{
+ dia_change=0;
+ for(i=0; i<FFMAX(s->avctx->dia_size, 1); i++){
+ for(j=0; j<i; j++){
+ dia_change |= check_block_inter(s, mb_x, mb_y, block->mx+4*(i-j), block->my+(4*j), 0, &best_rd);
+ dia_change |= check_block_inter(s, mb_x, mb_y, block->mx-4*(i-j), block->my-(4*j), 0, &best_rd);
+ dia_change |= check_block_inter(s, mb_x, mb_y, block->mx+4*(i-j), block->my-(4*j), 0, &best_rd);
+ dia_change |= check_block_inter(s, mb_x, mb_y, block->mx-4*(i-j), block->my+(4*j), 0, &best_rd);
+ }
+ }
+ }while(dia_change);
+ /* subpel ME */
+ do{
+ static const int square[8][2]= {{+1, 0},{-1, 0},{ 0,+1},{ 0,-1},{+1,+1},{-1,-1},{+1,-1},{-1,+1},};
+ dia_change=0;
+ for(i=0; i<8; i++)
+ dia_change |= check_block_inter(s, mb_x, mb_y, block->mx+square[i][0], block->my+square[i][1], 0, &best_rd);
+ }while(dia_change);
+ //FIXME or try the standard 2 pass qpel or similar
+#if 1
+ for(i=0; i<3; i++){
+ color[i]= get_dc(s, mb_x, mb_y, i);
+ }
+ check_block(s, mb_x, mb_y, color, 1, &best_rd);
+ //FIXME RD style color selection
+#endif
+ if(!same_block(block, &backup)){
+ if(tb != &null_block) tb ->type &= ~BLOCK_OPT;
+ if(lb != &null_block) lb ->type &= ~BLOCK_OPT;
+ if(rb != &null_block) rb ->type &= ~BLOCK_OPT;
+ if(bb != &null_block) bb ->type &= ~BLOCK_OPT;
+ if(tlb!= &null_block) tlb->type &= ~BLOCK_OPT;
+ if(trb!= &null_block) trb->type &= ~BLOCK_OPT;
+ if(blb!= &null_block) blb->type &= ~BLOCK_OPT;
+ if(brb!= &null_block) brb->type &= ~BLOCK_OPT;
+ change ++;
+ }
+ }
}
+ av_log(NULL, AV_LOG_ERROR, "pass:%d changed:%d\n", pass, change);
+ if(!change)
+ break;
}
}
const int level= b->level;
const int w= b->width;
const int h= b->height;
- const int qlog= clip(s->qlog + b->qlog, 0, 128);
- const int qmul= qexp[qlog&7]<<(qlog>>3);
+ const int qlog= clip(s->qlog + b->qlog, 0, QROOT*16);
+ const int qmul= qexp[qlog&(QROOT-1)]<<(qlog>>QSHIFT);
int x,y, thres1, thres2;
- START_TIMER
+// START_TIMER
- assert(QROOT==8);
+ if(s->qlog == LOSSLESS_QLOG) return;
bias= bias ? 0 : (3*qmul)>>3;
thres1= ((qmul - bias)>>QEXPSHIFT) - 1;
thres2= 2*thres1;
-
+
if(!bias){
for(y=0; y<h; y++){
for(x=0; x<w; x++){
int i= src[x + y*stride];
-
+
if((unsigned)(i+thres1) > thres2){
if(i>=0){
i<<= QEXPSHIFT;
}else{
for(y=0; y<h; y++){
for(x=0; x<w; x++){
- int i= src[x + y*stride];
-
+ int i= src[x + y*stride];
+
if((unsigned)(i+thres1) > thres2){
if(i>=0){
i<<= QEXPSHIFT;
}
}
+static void dequantize_slice_buffered(SnowContext *s, slice_buffer * sb, SubBand *b, DWTELEM *src, int stride, int start_y, int end_y){
+ const int w= b->width;
+ const int qlog= clip(s->qlog + b->qlog, 0, QROOT*16);
+ const int qmul= qexp[qlog&(QROOT-1)]<<(qlog>>QSHIFT);
+ const int qadd= (s->qbias*qmul)>>QBIAS_SHIFT;
+ int x,y;
+ START_TIMER
+
+ if(s->qlog == LOSSLESS_QLOG) return;
+
+ for(y=start_y; y<end_y; y++){
+// DWTELEM * line = slice_buffer_get_line_from_address(sb, src + (y * stride));
+ DWTELEM * line = slice_buffer_get_line(sb, (y * b->stride_line) + b->buf_y_offset) + b->buf_x_offset;
+ for(x=0; x<w; x++){
+ int i= line[x];
+ if(i<0){
+ line[x]= -((-i*qmul + qadd)>>(QEXPSHIFT)); //FIXME try different bias
+ }else if(i>0){
+ line[x]= (( i*qmul + qadd)>>(QEXPSHIFT));
+ }
+ }
+ }
+ if(w > 200 /*level+1 == s->spatial_decomposition_count*/){
+ STOP_TIMER("dquant")
+ }
+}
+
static void dequantize(SnowContext *s, SubBand *b, DWTELEM *src, int stride){
- const int level= b->level;
const int w= b->width;
const int h= b->height;
- const int qlog= clip(s->qlog + b->qlog, 0, 128);
- const int qmul= qexp[qlog&7]<<(qlog>>3);
+ const int qlog= clip(s->qlog + b->qlog, 0, QROOT*16);
+ const int qmul= qexp[qlog&(QROOT-1)]<<(qlog>>QSHIFT);
const int qadd= (s->qbias*qmul)>>QBIAS_SHIFT;
int x,y;
-
- assert(QROOT==8);
+ START_TIMER
+
+ if(s->qlog == LOSSLESS_QLOG) return;
for(y=0; y<h; y++){
for(x=0; x<w; x++){
}
}
}
+ if(w > 200 /*level+1 == s->spatial_decomposition_count*/){
+ STOP_TIMER("dquant")
+ }
}
static void decorrelate(SnowContext *s, SubBand *b, DWTELEM *src, int stride, int inverse, int use_median){
const int w= b->width;
const int h= b->height;
int x,y;
-
+
for(y=h-1; y>=0; y--){
for(x=w-1; x>=0; x--){
int i= x + y*stride;
-
+
if(x){
if(use_median){
if(y && x+1<w) src[i] -= mid_pred(src[i - 1], src[i - stride], src[i - stride + 1]);
}
}
+static void correlate_slice_buffered(SnowContext *s, slice_buffer * sb, SubBand *b, DWTELEM *src, int stride, int inverse, int use_median, int start_y, int end_y){
+ const int w= b->width;
+ int x,y;
+
+// START_TIMER
+
+ DWTELEM * line;
+ DWTELEM * prev;
+
+ if (start_y != 0)
+ line = slice_buffer_get_line(sb, ((start_y - 1) * b->stride_line) + b->buf_y_offset) + b->buf_x_offset;
+
+ for(y=start_y; y<end_y; y++){
+ prev = line;
+// line = slice_buffer_get_line_from_address(sb, src + (y * stride));
+ line = slice_buffer_get_line(sb, (y * b->stride_line) + b->buf_y_offset) + b->buf_x_offset;
+ for(x=0; x<w; x++){
+ if(x){
+ if(use_median){
+ if(y && x+1<w) line[x] += mid_pred(line[x - 1], prev[x], prev[x + 1]);
+ else line[x] += line[x - 1];
+ }else{
+ if(y) line[x] += mid_pred(line[x - 1], prev[x], line[x - 1] + prev[x] - prev[x - 1]);
+ else line[x] += line[x - 1];
+ }
+ }else{
+ if(y) line[x] += prev[x];
+ }
+ }
+ }
+
+// STOP_TIMER("correlate")
+}
+
static void correlate(SnowContext *s, SubBand *b, DWTELEM *src, int stride, int inverse, int use_median){
const int w= b->width;
const int h= b->height;
int x,y;
-
+
for(y=0; y<h; y++){
for(x=0; x<w; x++){
int i= x + y*stride;
-
+
if(x){
if(use_median){
if(y && x+1<w) src[i] += mid_pred(src[i - 1], src[i - stride], src[i - stride + 1]);
static void encode_header(SnowContext *s){
int plane_index, level, orientation;
+ uint8_t kstate[32];
- put_cabac(&s->c, s->header_state, s->keyframe); // state clearing stuff?
+ memset(kstate, MID_STATE, sizeof(kstate));
+
+ put_rac(&s->c, kstate, s->keyframe);
+ if(s->keyframe || s->always_reset)
+ reset_contexts(s);
if(s->keyframe){
put_symbol(&s->c, s->header_state, s->version, 0);
+ put_rac(&s->c, s->header_state, s->always_reset);
put_symbol(&s->c, s->header_state, s->temporal_decomposition_type, 0);
put_symbol(&s->c, s->header_state, s->temporal_decomposition_count, 0);
put_symbol(&s->c, s->header_state, s->spatial_decomposition_count, 0);
put_symbol(&s->c, s->header_state, s->colorspace_type, 0);
- put_symbol(&s->c, s->header_state, s->b_width, 0);
- put_symbol(&s->c, s->header_state, s->b_height, 0);
put_symbol(&s->c, s->header_state, s->chroma_h_shift, 0);
put_symbol(&s->c, s->header_state, s->chroma_v_shift, 0);
- put_cabac(&s->c, s->header_state, s->spatial_scalability);
-// put_cabac(&s->c, s->header_state, s->rate_scalability);
+ put_rac(&s->c, s->header_state, s->spatial_scalability);
+// put_rac(&s->c, s->header_state, s->rate_scalability);
for(plane_index=0; plane_index<2; plane_index++){
for(level=0; level<s->spatial_decomposition_count; level++){
}
}
put_symbol(&s->c, s->header_state, s->spatial_decomposition_type, 0);
- put_symbol(&s->c, s->header_state, s->qlog, 1);
- put_symbol(&s->c, s->header_state, s->mv_scale, 0);
+ put_symbol(&s->c, s->header_state, s->qlog, 1);
+ put_symbol(&s->c, s->header_state, s->mv_scale, 0);
put_symbol(&s->c, s->header_state, s->qbias, 1);
+ put_symbol(&s->c, s->header_state, s->block_max_depth, 0);
}
static int decode_header(SnowContext *s){
int plane_index, level, orientation;
+ uint8_t kstate[32];
- s->keyframe= get_cabac(&s->c, s->header_state);
+ memset(kstate, MID_STATE, sizeof(kstate));
+
+ s->keyframe= get_rac(&s->c, kstate);
+ if(s->keyframe || s->always_reset)
+ reset_contexts(s);
if(s->keyframe){
s->version= get_symbol(&s->c, s->header_state, 0);
if(s->version>0){
av_log(s->avctx, AV_LOG_ERROR, "version %d not supported", s->version);
return -1;
}
+ s->always_reset= get_rac(&s->c, s->header_state);
s->temporal_decomposition_type= get_symbol(&s->c, s->header_state, 0);
s->temporal_decomposition_count= get_symbol(&s->c, s->header_state, 0);
s->spatial_decomposition_count= get_symbol(&s->c, s->header_state, 0);
s->colorspace_type= get_symbol(&s->c, s->header_state, 0);
- s->b_width= get_symbol(&s->c, s->header_state, 0);
- s->b_height= get_symbol(&s->c, s->header_state, 0);
s->chroma_h_shift= get_symbol(&s->c, s->header_state, 0);
s->chroma_v_shift= get_symbol(&s->c, s->header_state, 0);
- s->spatial_scalability= get_cabac(&s->c, s->header_state);
-// s->rate_scalability= get_cabac(&s->c, s->header_state);
+ s->spatial_scalability= get_rac(&s->c, s->header_state);
+// s->rate_scalability= get_rac(&s->c, s->header_state);
for(plane_index=0; plane_index<3; plane_index++){
for(level=0; level<s->spatial_decomposition_count; level++){
}
}
}
-
+
s->spatial_decomposition_type= get_symbol(&s->c, s->header_state, 0);
if(s->spatial_decomposition_type > 2){
av_log(s->avctx, AV_LOG_ERROR, "spatial_decomposition_type %d not supported", s->spatial_decomposition_type);
return -1;
}
-
+
s->qlog= get_symbol(&s->c, s->header_state, 1);
s->mv_scale= get_symbol(&s->c, s->header_state, 0);
s->qbias= get_symbol(&s->c, s->header_state, 1);
+ s->block_max_depth= get_symbol(&s->c, s->header_state, 0);
+ if(s->block_max_depth > 1){
+ av_log(s->avctx, AV_LOG_ERROR, "block_max_depth= %d is too large", s->block_max_depth);
+ s->block_max_depth= 0;
+ return -1;
+ }
return 0;
}
+static void init_qexp(){
+ int i;
+ double v=128;
+
+ for(i=0; i<QROOT; i++){
+ qexp[i]= lrintf(v);
+ v *= pow(2, 1.0 / QROOT);
+ }
+}
+
static int common_init(AVCodecContext *avctx){
SnowContext *s = avctx->priv_data;
int width, height;
int level, orientation, plane_index, dec;
s->avctx= avctx;
-
+
dsputil_init(&s->dsp, avctx);
#define mcf(dx,dy)\
s->dsp.put_qpel_pixels_tab [0][dy+dx/4]=\
s->dsp.put_no_rnd_qpel_pixels_tab[0][dy+dx/4]=\
- mc_block ## dx ## dy;
+ s->dsp.put_h264_qpel_pixels_tab[0][dy+dx/4];\
+ s->dsp.put_qpel_pixels_tab [1][dy+dx/4]=\
+ s->dsp.put_no_rnd_qpel_pixels_tab[1][dy+dx/4]=\
+ s->dsp.put_h264_qpel_pixels_tab[1][dy+dx/4];
mcf( 0, 0)
mcf( 4, 0)
#define mcfh(dx,dy)\
s->dsp.put_pixels_tab [0][dy/4+dx/8]=\
s->dsp.put_no_rnd_pixels_tab[0][dy/4+dx/8]=\
- mc_block_hpel ## dx ## dy;
+ mc_block_hpel ## dx ## dy ## 16;\
+ s->dsp.put_pixels_tab [1][dy/4+dx/8]=\
+ s->dsp.put_no_rnd_pixels_tab[1][dy/4+dx/8]=\
+ mc_block_hpel ## dx ## dy ## 8;
mcfh(0, 0)
mcfh(8, 0)
mcfh(0, 8)
mcfh(8, 8)
-
+
+ if(!qexp[0])
+ init_qexp();
+
dec= s->spatial_decomposition_count= 5;
s->spatial_decomposition_type= avctx->prediction_method; //FIXME add decorrelator type r transform_type
-
+
s->chroma_h_shift= 1; //FIXME XXX
s->chroma_v_shift= 1;
-
+
// dec += FFMAX(s->chroma_h_shift, s->chroma_v_shift);
-
- s->b_width = (s->avctx->width +(1<<dec)-1)>>dec;
- s->b_height= (s->avctx->height+(1<<dec)-1)>>dec;
-
- s->spatial_dwt_buffer= av_mallocz(s->b_width*s->b_height*sizeof(DWTELEM)<<(2*dec));
- s->pred_buffer= av_mallocz(s->b_width*s->b_height*sizeof(DWTELEM)<<(2*dec));
-
+
+ width= s->avctx->width;
+ height= s->avctx->height;
+
+ s->spatial_dwt_buffer= av_mallocz(width*height*sizeof(DWTELEM));
+
s->mv_scale= (s->avctx->flags & CODEC_FLAG_QPEL) ? 2 : 4;
-
- for(plane_index=0; plane_index<3; plane_index++){
+ s->block_max_depth= (s->avctx->flags & CODEC_FLAG_4MV) ? 1 : 0;
+
+ for(plane_index=0; plane_index<3; plane_index++){
int w= s->avctx->width;
int h= s->avctx->height;
}
s->plane[plane_index].width = w;
s->plane[plane_index].height= h;
-av_log(NULL, AV_LOG_DEBUG, "%d %d\n", w, h);
+//av_log(NULL, AV_LOG_DEBUG, "%d %d\n", w, h);
for(level=s->spatial_decomposition_count-1; level>=0; level--){
for(orientation=level ? 1 : 0; orientation<4; orientation++){
SubBand *b= &s->plane[plane_index].band[level][orientation];
-
+
b->buf= s->spatial_dwt_buffer;
b->level= level;
b->stride= s->plane[plane_index].width << (s->spatial_decomposition_count - level);
b->width = (w + !(orientation&1))>>1;
b->height= (h + !(orientation>1))>>1;
-
- if(orientation&1) b->buf += (w+1)>>1;
- if(orientation>1) b->buf += b->stride>>1;
-
+
+ b->stride_line = 1 << (s->spatial_decomposition_count - level);
+ b->buf_x_offset = 0;
+ b->buf_y_offset = 0;
+
+ if(orientation&1){
+ b->buf += (w+1)>>1;
+ b->buf_x_offset = (w+1)>>1;
+ }
+ if(orientation>1){
+ b->buf += b->stride>>1;
+ b->buf_y_offset = b->stride_line >> 1;
+ }
+
if(level)
b->parent= &s->plane[plane_index].band[level-1][orientation];
+ b->x_coeff=av_mallocz(((b->width+1) * b->height+1)*sizeof(x_and_coeff));
}
w= (w+1)>>1;
h= (h+1)>>1;
}
}
-
- //FIXME init_subband() ?
- s->mb_band.stride= s->mv_band[0].stride= s->mv_band[1].stride=
- s->mb_band.width = s->mv_band[0].width = s->mv_band[1].width = (s->avctx->width + 15)>>4;
- s->mb_band.height= s->mv_band[0].height= s->mv_band[1].height= (s->avctx->height+ 15)>>4;
- s->mb_band .buf= av_mallocz(s->mb_band .stride * s->mb_band .height*sizeof(DWTELEM));
- s->mv_band[0].buf= av_mallocz(s->mv_band[0].stride * s->mv_band[0].height*sizeof(DWTELEM));
- s->mv_band[1].buf= av_mallocz(s->mv_band[1].stride * s->mv_band[1].height*sizeof(DWTELEM));
reset_contexts(s);
-/*
+/*
width= s->width= avctx->width;
height= s->height= avctx->height;
-
+
assert(width && height);
*/
s->avctx->get_buffer(s->avctx, &s->mconly_picture);
-
+
return 0;
}
static void calculate_vissual_weight(SnowContext *s, Plane *p){
int width = p->width;
int height= p->height;
- int i, level, orientation, x, y;
+ int level, orientation, x, y;
for(level=0; level<s->spatial_decomposition_count; level++){
for(orientation=level ? 1 : 0; orientation<4; orientation++){
SubBand *b= &p->band[level][orientation];
DWTELEM *buf= b->buf;
int64_t error=0;
-
+
memset(s->spatial_dwt_buffer, 0, sizeof(int)*width*height);
buf[b->width/2 + b->height/2*b->stride]= 256*256;
- spatial_idwt(s, s->spatial_dwt_buffer, width, height, width);
+ ff_spatial_idwt(s->spatial_dwt_buffer, width, height, width, s->spatial_decomposition_type, s->spatial_decomposition_count);
for(y=0; y<height; y++){
for(x=0; x<width; x++){
int64_t d= s->spatial_dwt_buffer[x + y*width];
}
b->qlog= (int)(log(352256.0/sqrt(error)) / log(pow(2.0, 1.0/QROOT))+0.5);
- av_log(NULL, AV_LOG_DEBUG, "%d %d %d\n", level, orientation, b->qlog/*, sqrt(error)*/);
+// av_log(NULL, AV_LOG_DEBUG, "%d %d %d\n", level, orientation, b->qlog/*, sqrt(error)*/);
}
}
}
static int encode_init(AVCodecContext *avctx)
{
SnowContext *s = avctx->priv_data;
- int i;
- int level, orientation, plane_index;
+ int plane_index;
- if(avctx->strict_std_compliance >= 0){
- av_log(avctx, AV_LOG_ERROR, "this codec is under development, files encoded with it wont be decodeable with future versions!!!\n"
- "use vstrict=-1 to use it anyway\n");
+ if(avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL){
+ av_log(avctx, AV_LOG_ERROR, "this codec is under development, files encoded with it may not be decodable with future versions!!!\n"
+ "use vstrict=-2 / -strict -2 to use it anyway\n");
return -1;
}
-
+
common_init(avctx);
-
+ alloc_blocks(s);
+
s->version=0;
-
+
+ s->m.avctx = avctx;
+ s->m.flags = avctx->flags;
+ s->m.bit_rate= avctx->bit_rate;
+
s->m.me.scratchpad= av_mallocz((avctx->width+64)*2*16*2*sizeof(uint8_t));
s->m.me.map = av_mallocz(ME_MAP_SIZE*sizeof(uint32_t));
s->m.me.score_map = av_mallocz(ME_MAP_SIZE*sizeof(uint32_t));
- s->mb_type = av_mallocz((s->mb_band.width+1)*s->mb_band.height*sizeof(int16_t));
- s->mb_mean = av_mallocz((s->mb_band.width+1)*s->mb_band.height*sizeof(int8_t ));
- s->dummy = av_mallocz((s->mb_band.width+1)*s->mb_band.height*sizeof(int32_t));
h263_encode_init(&s->m); //mv_penalty
+ if(avctx->flags&CODEC_FLAG_PASS1){
+ if(!avctx->stats_out)
+ avctx->stats_out = av_mallocz(256);
+ }
+ if(avctx->flags&CODEC_FLAG_PASS2){
+ if(ff_rate_control_init(&s->m) < 0)
+ return -1;
+ }
+
for(plane_index=0; plane_index<3; plane_index++){
calculate_vissual_weight(s, &s->plane[plane_index]);
}
-
-
+
+
avctx->coded_frame= &s->current_picture;
switch(avctx->pix_fmt){
// case PIX_FMT_YUV444P:
// avcodec_get_chroma_sub_sample(avctx->pix_fmt, &s->chroma_h_shift, &s->chroma_v_shift);
s->chroma_h_shift= 1;
s->chroma_v_shift= 1;
+
+ ff_set_cmp(&s->dsp, s->dsp.me_cmp, s->avctx->me_cmp);
+ ff_set_cmp(&s->dsp, s->dsp.me_sub_cmp, s->avctx->me_sub_cmp);
+
+ s->avctx->get_buffer(s->avctx, &s->input_picture);
+
return 0;
}
static int frame_start(SnowContext *s){
AVFrame tmp;
+ int w= s->avctx->width; //FIXME round up to x16 ?
+ int h= s->avctx->height;
+
+ if(s->current_picture.data[0]){
+ draw_edges(s->current_picture.data[0], s->current_picture.linesize[0], w , h , EDGE_WIDTH );
+ draw_edges(s->current_picture.data[1], s->current_picture.linesize[1], w>>1, h>>1, EDGE_WIDTH/2);
+ draw_edges(s->current_picture.data[2], s->current_picture.linesize[2], w>>1, h>>1, EDGE_WIDTH/2);
+ }
- if(s->keyframe)
- reset_contexts(s);
-
tmp= s->last_picture;
s->last_picture= s->current_picture;
s->current_picture= tmp;
-
+
s->current_picture.reference= 1;
if(s->avctx->get_buffer(s->avctx, &s->current_picture) < 0){
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return -1;
}
-
+
return 0;
}
static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data){
SnowContext *s = avctx->priv_data;
- CABACContext * const c= &s->c;
+ RangeCoder * const c= &s->c;
AVFrame *pict = data;
const int width= s->avctx->width;
const int height= s->avctx->height;
- int used_count= 0;
- int log2_threshold, level, orientation, plane_index, i;
-
- ff_init_cabac_encoder(c, buf, buf_size);
- ff_init_cabac_states(c, ff_h264_lps_range, ff_h264_mps_state, ff_h264_lps_state, 64);
-
- s->input_picture = *pict;
+ int level, orientation, plane_index, i, y;
- memset(s->header_state, 0, sizeof(s->header_state));
+ ff_init_range_encoder(c, buf, buf_size);
+ ff_build_rac_states(c, 0.05*(1LL<<32), 256-8);
- s->keyframe=avctx->gop_size==0 || avctx->frame_number % avctx->gop_size == 0;
- pict->pict_type= s->keyframe ? FF_I_TYPE : FF_P_TYPE;
-
- s->qlog= rint(QROOT*log(pict->quality / (float)FF_QP2LAMBDA)/log(2));
- //<64 >60
- s->qlog += 61;
+ for(i=0; i<3; i++){
+ int shift= !!i;
+ for(y=0; y<(height>>shift); y++)
+ memcpy(&s->input_picture.data[i][y * s->input_picture.linesize[i]],
+ &pict->data[i][y * pict->linesize[i]],
+ width>>shift);
+ }
+ s->new_picture = *pict;
+
+ if(avctx->flags&CODEC_FLAG_PASS2){
+ s->m.pict_type =
+ pict->pict_type= s->m.rc_context.entry[avctx->frame_number].new_pict_type;
+ s->keyframe= pict->pict_type==FF_I_TYPE;
+ s->m.picture_number= avctx->frame_number;
+ pict->quality= ff_rate_estimate_qscale(&s->m, 0);
+ }else{
+ s->keyframe= avctx->gop_size==0 || avctx->frame_number % avctx->gop_size == 0;
+ pict->pict_type= s->keyframe ? FF_I_TYPE : FF_P_TYPE;
+ }
- for(i=0; i<s->mb_band.stride * s->mb_band.height; i++){
- s->mb_band.buf[i]= s->keyframe;
+ if(pict->quality){
+ s->qlog= rint(QROOT*log(pict->quality / (float)FF_QP2LAMBDA)/log(2));
+ //<64 >60
+ s->qlog += 61*QROOT/8;
+ }else{
+ s->qlog= LOSSLESS_QLOG;
}
-
+
frame_start(s);
+ s->current_picture.key_frame= s->keyframe;
+ s->m.current_picture_ptr= &s->m.current_picture;
if(pict->pict_type == P_TYPE){
int block_width = (width +15)>>4;
int block_height= (height+15)>>4;
int stride= s->current_picture.linesize[0];
- uint8_t *src_plane= s->input_picture.data[0];
- int src_stride= s->input_picture.linesize[0];
- int x,y;
-
+
assert(s->current_picture.data[0]);
assert(s->last_picture.data[0]);
-
+
s->m.avctx= s->avctx;
s->m.current_picture.data[0]= s->current_picture.data[0];
s->m. last_picture.data[0]= s-> last_picture.data[0];
s->m. new_picture.data[0]= s-> input_picture.data[0];
- s->m.current_picture_ptr= &s->m.current_picture;
s->m. last_picture_ptr= &s->m. last_picture;
s->m.linesize=
s->m. last_picture.linesize[0]=
s->m. new_picture.linesize[0]=
s->m.current_picture.linesize[0]= stride;
+ s->m.uvlinesize= s->current_picture.linesize[1];
s->m.width = width;
s->m.height= height;
s->m.mb_width = block_width;
s->m.out_format= FMT_H263;
s->m.unrestricted_mv= 1;
- s->m.lambda= pict->quality * 3/2; //FIXME bug somewhere else
+ s->lambda = s->m.lambda= pict->quality * 3/2; //FIXME bug somewhere else
s->m.qscale= (s->m.lambda*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7);
- s->m.lambda2= (s->m.lambda*s->m.lambda + FF_LAMBDA_SCALE/2) >> FF_LAMBDA_SHIFT;
-
- if(!s->motion_val8){
- s->motion_val8 = av_mallocz(s->m.b8_stride*block_height*2*2*sizeof(int16_t));
- s->motion_val16= av_mallocz(s->m.mb_stride*block_height*2*sizeof(int16_t));
- }
-
- s->m.mb_type= s->mb_type;
-
- //dummies, to avoid segfaults
- s->m.current_picture.mb_mean = s->mb_mean;
- s->m.current_picture.mb_var = (int16_t*)s->dummy;
- s->m.current_picture.mc_mb_var= (int16_t*)s->dummy;
- s->m.current_picture.mb_type = s->dummy;
-
- s->m.current_picture.motion_val[0]= s->motion_val8;
- s->m.p_mv_table= s->motion_val16;
+ s->lambda2= s->m.lambda2= (s->m.lambda*s->m.lambda + FF_LAMBDA_SCALE/2) >> FF_LAMBDA_SHIFT;
+
s->m.dsp= s->dsp; //move
ff_init_me(&s->m);
-
-
- s->m.me.pre_pass=1;
- s->m.me.dia_size= s->avctx->pre_dia_size;
- s->m.first_slice_line=1;
- for(y= block_height-1; y >= 0; y--) {
- uint8_t src[stride*16];
-
- s->m.new_picture.data[0]= src - y*16*stride; //ugly
- s->m.mb_y= y;
- for(i=0; i<16 && i + 16*y<height; i++){
- memcpy(&src[i*stride], &src_plane[(i+16*y)*src_stride], width);
- for(x=width; x<16*block_width; x++)
- src[i*stride+x]= src[i*stride+x-1];
- }
- for(; i<16 && i + 16*y<16*block_height; i++)
- memcpy(&src[i*stride], &src[(i-1)*stride], 16*block_width);
-
- for(x=block_width-1; x >=0 ;x--) {
- s->m.mb_x= x;
- ff_init_block_index(&s->m);
- ff_update_block_index(&s->m);
- ff_pre_estimate_p_frame_motion(&s->m, x, y);
- }
- s->m.first_slice_line=0;
- }
- s->m.me.pre_pass=0;
-
-
- s->m.me.dia_size= s->avctx->dia_size;
- s->m.first_slice_line=1;
- for (y = 0; y < block_height; y++) {
- uint8_t src[stride*16];
-
- s->m.new_picture.data[0]= src - y*16*stride; //ugly
- s->m.mb_y= y;
-
- assert(width <= stride);
- assert(width <= 16*block_width);
-
- for(i=0; i<16 && i + 16*y<height; i++){
- memcpy(&src[i*stride], &src_plane[(i+16*y)*src_stride], width);
- for(x=width; x<16*block_width; x++)
- src[i*stride+x]= src[i*stride+x-1];
- }
- for(; i<16 && i + 16*y<16*block_height; i++)
- memcpy(&src[i*stride], &src[(i-1)*stride], 16*block_width);
-
- for (x = 0; x < block_width; x++) {
- int mb_xy= x + y*(s->mb_band.stride);
- s->m.mb_x= x;
- ff_init_block_index(&s->m);
- ff_update_block_index(&s->m);
-
- ff_estimate_p_frame_motion(&s->m, x, y);
-
- s->mb_band .buf[mb_xy]= (s->m.mb_type[x + y*s->m.mb_stride]&CANDIDATE_MB_TYPE_INTER)
- ? 0 : 2;
- s->mv_band[0].buf[mb_xy]= s->motion_val16[x + y*s->m.mb_stride][0];
- s->mv_band[1].buf[mb_xy]= s->motion_val16[x + y*s->m.mb_stride][1];
-
- if(s->mb_band .buf[x + y*(s->mb_band.stride)]==2 && 0){
- int dc0=128, dc1=128, dc, dc2, dir;
- int offset= (s->avctx->flags & CODEC_FLAG_QPEL) ? 64 : 32;
-
- dc =s->mb_mean[x + y *s->m.mb_stride ];
- if(x) dc0=s->mb_mean[x + y *s->m.mb_stride - 1];
- if(y) dc1=s->mb_mean[x + (y-1)*s->m.mb_stride ];
- dc2= (dc0+dc1)>>1;
-#if 0
- if (ABS(dc0 - dc) < ABS(dc1 - dc) && ABS(dc0 - dc) < ABS(dc2 - dc))
- dir= 1;
- else if(ABS(dc0 - dc) >=ABS(dc1 - dc) && ABS(dc1 - dc) < ABS(dc2 - dc))
- dir=-1;
- else
- dir=0;
-#endif
- if(ABS(dc0 - dc) < ABS(dc1 - dc) && x){
- s->mv_band[0].buf[mb_xy]= s->mv_band[0].buf[x + y*(s->mb_band.stride)-1] - offset;
- s->mv_band[1].buf[mb_xy]= s->mv_band[1].buf[x + y*(s->mb_band.stride)-1];
- s->mb_mean[x + y *s->m.mb_stride ]= dc0;
- }else if(y){
- s->mv_band[0].buf[mb_xy]= s->mv_band[0].buf[x + (y-1)*(s->mb_band.stride)];
- s->mv_band[1].buf[mb_xy]= s->mv_band[1].buf[x + (y-1)*(s->mb_band.stride)] - offset;
- s->mb_mean[x + y *s->m.mb_stride ]= dc1;
- }
- }
-// s->mb_band .buf[x + y*(s->mb_band.stride)]=1; //FIXME intra only test
- }
- s->m.first_slice_line=0;
- }
- assert(s->m.pict_type == P_TYPE);
- if(s->m.me.scene_change_score > s->avctx->scenechange_threshold){
- s->m.pict_type=
- pict->pict_type =I_TYPE;
- for(i=0; i<s->mb_band.stride * s->mb_band.height; i++){
- s->mb_band.buf[i]= 1;
- s->mv_band[0].buf[i]=
- s->mv_band[1].buf[i]= 0;
- }
- //printf("Scene change detected, encoding as I Frame %d %d\n", s->current_picture.mb_var_sum, s->current_picture.mc_mb_var_sum);
- }
+ s->dsp= s->m.dsp;
}
-
- s->m.first_slice_line=1;
-
+
+redo_frame:
+
s->qbias= pict->pict_type == P_TYPE ? 2 : 0;
encode_header(s);
-
- decorrelate(s, &s->mb_band , s->mb_band .buf, s->mb_band .stride, 0, 1);
- decorrelate(s, &s->mv_band[0], s->mv_band[0].buf, s->mv_band[0].stride, 0, 1);
- decorrelate(s, &s->mv_band[1], s->mv_band[1].buf, s->mv_band[1].stride, 0 ,1);
- encode_subband(s, &s->mb_band , s->mb_band .buf, NULL, s->mb_band .stride, 0);
- encode_subband(s, &s->mv_band[0], s->mv_band[0].buf, NULL, s->mv_band[0].stride, 0);
- encode_subband(s, &s->mv_band[1], s->mv_band[1].buf, NULL, s->mv_band[1].stride, 0);
-
-//FIXME avoid this
- correlate(s, &s->mb_band , s->mb_band .buf, s->mb_band .stride, 1, 1);
- correlate(s, &s->mv_band[0], s->mv_band[0].buf, s->mv_band[0].stride, 1, 1);
- correlate(s, &s->mv_band[1], s->mv_band[1].buf, s->mv_band[1].stride, 1, 1);
-
+ s->m.misc_bits = 8*(s->c.bytestream - s->c.bytestream_start);
+ encode_blocks(s);
+ s->m.mv_bits = 8*(s->c.bytestream - s->c.bytestream_start) - s->m.misc_bits;
+
for(plane_index=0; plane_index<3; plane_index++){
Plane *p= &s->plane[plane_index];
int w= p->width;
int h= p->height;
int x, y;
- int bits= put_bits_count(&s->c.pb);
+// int bits= put_bits_count(&s->c.pb);
//FIXME optimize
-#if QPRED
- memset(s->pred_buffer, 0, sizeof(DWTELEM)*w*h);
- predict_plane(s, s->pred_buffer, plane_index, 1);
- spatial_dwt(s, s->pred_buffer, w, h, w);
- for(level=0; level<s->spatial_decomposition_count; level++){
- for(orientation=level ? 1 : 0; orientation<4; orientation++){
- SubBand *b= &p->band[level][orientation];
- int delta= ((int)s->pred_buffer - (int)s->spatial_dwt_buffer)/sizeof(DWTELEM);
-
- quantize (s, b, b->buf + delta, b->stride, s->qbias);
- dequantize(s, b, b->buf + delta, b->stride);
- }
- }
+ if(pict->data[plane_index]) //FIXME gray hack
for(y=0; y<h; y++){
for(x=0; x<w; x++){
- s->spatial_dwt_buffer[y*w + x]= pict->data[plane_index][y*pict->linesize[plane_index] + x]<<8;
+ s->spatial_dwt_buffer[y*w + x]= pict->data[plane_index][y*pict->linesize[plane_index] + x]<<FRAC_BITS;
}
}
- spatial_dwt(s, s->spatial_dwt_buffer, w, h, w);
- for(y=0; y<h; y++){
- for(x=0; x<w; x++){
- s->spatial_dwt_buffer[y*w + x]-= s->pred_buffer[y*w + x];
- }
+ predict_plane(s, s->spatial_dwt_buffer, plane_index, 0);
+
+ if( plane_index==0
+ && pict->pict_type == P_TYPE
+ && s->m.me.scene_change_score > s->avctx->scenechange_threshold){
+ ff_init_range_encoder(c, buf, buf_size);
+ ff_build_rac_states(c, 0.05*(1LL<<32), 256-8);
+ pict->pict_type= FF_I_TYPE;
+ s->keyframe=1;
+ reset_contexts(s);
+ goto redo_frame;
}
-#else
- if(pict->data[plane_index]) //FIXME gray hack
- for(y=0; y<h; y++){
- for(x=0; x<w; x++){
- s->spatial_dwt_buffer[y*w + x]= pict->data[plane_index][y*pict->linesize[plane_index] + x]<<8;
+
+ if(s->qlog == LOSSLESS_QLOG){
+ for(y=0; y<h; y++){
+ for(x=0; x<w; x++){
+ s->spatial_dwt_buffer[y*w + x]= (s->spatial_dwt_buffer[y*w + x] + (1<<(FRAC_BITS-1))-1)>>FRAC_BITS;
+ }
}
}
- predict_plane(s, s->spatial_dwt_buffer, plane_index, 0);
- spatial_dwt(s, s->spatial_dwt_buffer, w, h, w);
-#endif
-
+
+ ff_spatial_dwt(s->spatial_dwt_buffer, w, h, w, s->spatial_decomposition_type, s->spatial_decomposition_count);
+
for(level=0; level<s->spatial_decomposition_count; level++){
for(orientation=level ? 1 : 0; orientation<4; orientation++){
SubBand *b= &p->band[level][orientation];
-
+
quantize(s, b, b->buf, b->stride, s->qbias);
if(orientation==0)
decorrelate(s, b, b->buf, b->stride, pict->pict_type == P_TYPE, 0);
dequantize(s, b, b->buf, b->stride);
}
}
-
-#if QPRED
- for(y=0; y<h; y++){
- for(x=0; x<w; x++){
- s->spatial_dwt_buffer[y*w + x]+= s->pred_buffer[y*w + x];
+
+ ff_spatial_idwt(s->spatial_dwt_buffer, w, h, w, s->spatial_decomposition_type, s->spatial_decomposition_count);
+ if(s->qlog == LOSSLESS_QLOG){
+ for(y=0; y<h; y++){
+ for(x=0; x<w; x++){
+ s->spatial_dwt_buffer[y*w + x]<<=FRAC_BITS;
+ }
}
}
- spatial_idwt(s, s->spatial_dwt_buffer, w, h, w);
-#else
- spatial_idwt(s, s->spatial_dwt_buffer, w, h, w);
+{START_TIMER
predict_plane(s, s->spatial_dwt_buffer, plane_index, 1);
-#endif
- //FIXME optimize
- for(y=0; y<h; y++){
- for(x=0; x<w; x++){
- int v= (s->spatial_dwt_buffer[y*w + x]+128)>>8;
- if(v&(~255)) v= ~(v>>31);
- s->current_picture.data[plane_index][y*s->current_picture.linesize[plane_index] + x]= v;
- }
- }
+STOP_TIMER("pred-conv")}
if(s->avctx->flags&CODEC_FLAG_PSNR){
int64_t error= 0;
-
+
if(pict->data[plane_index]) //FIXME gray hack
for(y=0; y<h; y++){
for(x=0; x<w; x++){
- int d= s->spatial_dwt_buffer[y*w + x] - pict->data[plane_index][y*pict->linesize[plane_index] + x]*256;
+ int d= s->current_picture.data[plane_index][y*s->current_picture.linesize[plane_index] + x] - pict->data[plane_index][y*pict->linesize[plane_index] + x];
error += d*d;
}
}
- error= (error + 128*256)>>16;
s->avctx->error[plane_index] += error;
- s->avctx->error[3] += error;
+ s->current_picture.error[plane_index] = error;
}
}
if(s->last_picture.data[0])
avctx->release_buffer(avctx, &s->last_picture);
+ s->current_picture.coded_picture_number = avctx->frame_number;
+ s->current_picture.pict_type = pict->pict_type;
+ s->current_picture.quality = pict->quality;
+ if(avctx->flags&CODEC_FLAG_PASS1){
+ s->m.p_tex_bits = 8*(s->c.bytestream - s->c.bytestream_start) - s->m.misc_bits - s->m.mv_bits;
+ s->m.current_picture.display_picture_number =
+ s->m.current_picture.coded_picture_number = avctx->frame_number;
+ s->m.pict_type = pict->pict_type;
+ s->m.current_picture.quality = pict->quality;
+ ff_write_pass1_stats(&s->m);
+ }
+ if(avctx->flags&CODEC_FLAG_PASS2){
+ s->m.total_bits += 8*(s->c.bytestream - s->c.bytestream_start);
+ }
+
emms_c();
-
- return put_cabac_terminate(c, 1);
+
+ return ff_rac_terminate(c);
}
static void common_end(SnowContext *s){
+ int plane_index, level, orientation;
+
av_freep(&s->spatial_dwt_buffer);
- av_freep(&s->mb_band.buf);
- av_freep(&s->mv_band[0].buf);
- av_freep(&s->mv_band[1].buf);
- av_freep(&s->m.me.scratchpad);
+ av_freep(&s->m.me.scratchpad);
av_freep(&s->m.me.map);
av_freep(&s->m.me.score_map);
- av_freep(&s->mb_type);
- av_freep(&s->mb_mean);
- av_freep(&s->dummy);
- av_freep(&s->motion_val8);
- av_freep(&s->motion_val16);
+
+ av_freep(&s->block);
+
+ for(plane_index=0; plane_index<3; plane_index++){
+ for(level=s->spatial_decomposition_count-1; level>=0; level--){
+ for(orientation=level ? 1 : 0; orientation<4; orientation++){
+ SubBand *b= &s->plane[plane_index].band[level][orientation];
+
+ av_freep(&b->x_coeff);
+ }
+ }
+ }
}
static int encode_end(AVCodecContext *avctx)
SnowContext *s = avctx->priv_data;
common_end(s);
+ av_free(avctx->stats_out);
return 0;
}
static int decode_init(AVCodecContext *avctx)
{
-// SnowContext *s = avctx->priv_data;
+ SnowContext *s = avctx->priv_data;
+ int block_size;
+
+ avctx->pix_fmt= PIX_FMT_YUV420P;
common_init(avctx);
-
+
+ block_size = MB_SIZE >> s->block_max_depth;
+ slice_buffer_init(&s->sb, s->plane[0].height, (block_size) + (s->spatial_decomposition_count * (s->spatial_decomposition_count + 3)) + 1, s->plane[0].width, s->spatial_dwt_buffer);
+
return 0;
}
static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8_t *buf, int buf_size){
SnowContext *s = avctx->priv_data;
- CABACContext * const c= &s->c;
- const int width= s->avctx->width;
- const int height= s->avctx->height;
+ RangeCoder * const c= &s->c;
int bytes_read;
AVFrame *picture = data;
- int log2_threshold, level, orientation, plane_index;
-
-
- /* no supplementary picture */
- if (buf_size == 0)
- return 0;
-
- ff_init_cabac_decoder(c, buf, buf_size);
- ff_init_cabac_states(c, ff_h264_lps_range, ff_h264_mps_state, ff_h264_lps_state, 64);
+ int level, orientation, plane_index;
- memset(s->header_state, 0, sizeof(s->header_state));
+ ff_init_range_decoder(c, buf, buf_size);
+ ff_build_rac_states(c, 0.05*(1LL<<32), 256-8);
s->current_picture.pict_type= FF_I_TYPE; //FIXME I vs. P
decode_header(s);
+ if(!s->block) alloc_blocks(s);
frame_start(s);
//keyframe flag dupliaction mess FIXME
if(avctx->debug&FF_DEBUG_PICT_INFO)
av_log(avctx, AV_LOG_ERROR, "keyframe:%d qlog:%d\n", s->keyframe, s->qlog);
-
- decode_subband(s, &s->mb_band , s->mb_band .buf, NULL, s->mb_band .stride, 0);
- decode_subband(s, &s->mv_band[0], s->mv_band[0].buf, NULL, s->mv_band[0].stride, 0);
- decode_subband(s, &s->mv_band[1], s->mv_band[1].buf, NULL, s->mv_band[1].stride, 0);
- correlate(s, &s->mb_band , s->mb_band .buf, s->mb_band .stride, 1, 1);
- correlate(s, &s->mv_band[0], s->mv_band[0].buf, s->mv_band[0].stride, 1, 1);
- correlate(s, &s->mv_band[1], s->mv_band[1].buf, s->mv_band[1].stride, 1, 1);
+
+ decode_blocks(s);
for(plane_index=0; plane_index<3; plane_index++){
Plane *p= &s->plane[plane_index];
int w= p->width;
int h= p->height;
int x, y;
-
+ int decode_state[MAX_DECOMPOSITIONS][4][1]; /* Stored state info for unpack_coeffs. 1 variable per instance. */
+
if(s->avctx->debug&2048){
memset(s->spatial_dwt_buffer, 0, sizeof(DWTELEM)*w*h);
predict_plane(s, s->spatial_dwt_buffer, plane_index, 1);
for(y=0; y<h; y++){
for(x=0; x<w; x++){
- int v= (s->spatial_dwt_buffer[y*w + x]+128)>>8;
- if(v&(~255)) v= ~(v>>31);
+ int v= s->current_picture.data[plane_index][y*s->current_picture.linesize[plane_index] + x];
s->mconly_picture.data[plane_index][y*s->mconly_picture.linesize[plane_index] + x]= v;
}
}
}
- for(level=0; level<s->spatial_decomposition_count; level++){
- for(orientation=level ? 1 : 0; orientation<4; orientation++){
- SubBand *b= &p->band[level][orientation];
- decode_subband(s, b, b->buf, b->parent ? b->parent->buf : NULL, b->stride, orientation);
- if(orientation==0)
- correlate(s, b, b->buf, b->stride, 1, 0);
- }
+{ START_TIMER
+ for(level=0; level<s->spatial_decomposition_count; level++){
+ for(orientation=level ? 1 : 0; orientation<4; orientation++){
+ SubBand *b= &p->band[level][orientation];
+ unpack_coeffs(s, b, b->parent, orientation);
}
-if(!(s->avctx->debug&1024))
- for(level=0; level<s->spatial_decomposition_count; level++){
- for(orientation=level ? 1 : 0; orientation<4; orientation++){
- SubBand *b= &p->band[level][orientation];
+ }
+ STOP_TIMER("unpack coeffs");
+}
- dequantize(s, b, b->buf, b->stride);
- }
+{START_TIMER
+ const int mb_h= s->b_height << s->block_max_depth;
+ const int block_size = MB_SIZE >> s->block_max_depth;
+ const int block_w = plane_index ? block_size/2 : block_size;
+ int mb_y;
+ dwt_compose_t cs[MAX_DECOMPOSITIONS];
+ int yd=0, yq=0;
+ int y;
+ int end_y;
+
+ ff_spatial_idwt_buffered_init(cs, &s->sb, w, h, 1, s->spatial_decomposition_type, s->spatial_decomposition_count);
+ for(mb_y=0; mb_y<=mb_h; mb_y++){
+
+ int slice_starty = block_w*mb_y;
+ int slice_h = block_w*(mb_y+1);
+ if (!(s->keyframe || s->avctx->debug&512)){
+ slice_starty = FFMAX(0, slice_starty - (block_w >> 1));
+ slice_h -= (block_w >> 1);
}
-#if QPRED
- memset(s->pred_buffer, 0, sizeof(DWTELEM)*w*h);
- predict_plane(s, s->pred_buffer, plane_index, 1);
- spatial_dwt(s, s->pred_buffer, w, h, w);
+ {
+ START_TIMER
for(level=0; level<s->spatial_decomposition_count; level++){
for(orientation=level ? 1 : 0; orientation<4; orientation++){
SubBand *b= &p->band[level][orientation];
- int delta= ((int)s->pred_buffer - (int)s->spatial_dwt_buffer)/sizeof(DWTELEM);
-
- quantize (s, b, b->buf + delta, b->stride, s->qbias);
- dequantize(s, b, b->buf + delta, b->stride);
+ int start_y;
+ int end_y;
+ int our_mb_start = mb_y;
+ int our_mb_end = (mb_y + 1);
+ const int extra= 3;
+ start_y = (mb_y ? ((block_w * our_mb_start) >> (s->spatial_decomposition_count - level)) + s->spatial_decomposition_count - level + extra: 0);
+ end_y = (((block_w * our_mb_end) >> (s->spatial_decomposition_count - level)) + s->spatial_decomposition_count - level + extra);
+ if (!(s->keyframe || s->avctx->debug&512)){
+ start_y = FFMAX(0, start_y - (block_w >> (1+s->spatial_decomposition_count - level)));
+ end_y = FFMAX(0, end_y - (block_w >> (1+s->spatial_decomposition_count - level)));
+ }
+ start_y = FFMIN(b->height, start_y);
+ end_y = FFMIN(b->height, end_y);
+
+ if (start_y != end_y){
+ if (orientation == 0){
+ SubBand * correlate_band = &p->band[0][0];
+ int correlate_end_y = FFMIN(b->height, end_y + 1);
+ int correlate_start_y = FFMIN(b->height, (start_y ? start_y + 1 : 0));
+ decode_subband_slice_buffered(s, correlate_band, &s->sb, correlate_start_y, correlate_end_y, decode_state[0][0]);
+ correlate_slice_buffered(s, &s->sb, correlate_band, correlate_band->buf, correlate_band->stride, 1, 0, correlate_start_y, correlate_end_y);
+ dequantize_slice_buffered(s, &s->sb, correlate_band, correlate_band->buf, correlate_band->stride, start_y, end_y);
+ }
+ else
+ decode_subband_slice_buffered(s, b, &s->sb, start_y, end_y, decode_state[level][orientation]);
+ }
}
}
- for(y=0; y<h; y++){
- for(x=0; x<w; x++){
- s->spatial_dwt_buffer[y*w + x]+= s->pred_buffer[y*w + x];
- }
+ STOP_TIMER("decode_subband_slice");
}
- spatial_idwt(s, s->spatial_dwt_buffer, w, h, w);
-#else
- spatial_idwt(s, s->spatial_dwt_buffer, w, h, w);
- predict_plane(s, s->spatial_dwt_buffer, plane_index, 1);
-#endif
- //FIXME optimize
- for(y=0; y<h; y++){
- for(x=0; x<w; x++){
- int v= (s->spatial_dwt_buffer[y*w + x]+128)>>8;
- if(v&(~255)) v= ~(v>>31);
- s->current_picture.data[plane_index][y*s->current_picture.linesize[plane_index] + x]= v;
+{ START_TIMER
+ for(; yd<slice_h; yd+=4){
+ ff_spatial_idwt_buffered_slice(cs, &s->sb, w, h, 1, s->spatial_decomposition_type, s->spatial_decomposition_count, yd);
+ }
+ STOP_TIMER("idwt slice");}
+
+
+ if(s->qlog == LOSSLESS_QLOG){
+ for(; yq<slice_h && yq<h; yq++){
+ DWTELEM * line = slice_buffer_get_line(&s->sb, yq);
+ for(x=0; x<w; x++){
+ line[x] <<= FRAC_BITS;
+ }
}
}
+
+ predict_slice_buffered(s, &s->sb, s->spatial_dwt_buffer, plane_index, 1, mb_y);
+
+ y = FFMIN(p->height, slice_starty);
+ end_y = FFMIN(p->height, slice_h);
+ while(y < end_y)
+ slice_buffer_release(&s->sb, y++);
+ }
+
+ slice_buffer_flush(&s->sb);
+
+STOP_TIMER("idwt + predict_slices")}
}
-
+
emms_c();
if(s->last_picture.data[0])
avctx->release_buffer(avctx, &s->last_picture);
-if(!(s->avctx->debug&2048))
+if(!(s->avctx->debug&2048))
*picture= s->current_picture;
else
*picture= s->mconly_picture;
-
+
*data_size = sizeof(AVFrame);
-
- bytes_read= get_cabac_terminate(c);
- if(bytes_read ==0) av_log(s->avctx, AV_LOG_ERROR, "error at end of frame\n");
+
+ bytes_read= c->bytestream - c->bytestream_start;
+ if(bytes_read ==0) av_log(s->avctx, AV_LOG_ERROR, "error at end of frame\n"); //FIXME
return bytes_read;
}
{
SnowContext *s = avctx->priv_data;
+ slice_buffer_destroy(&s->sb);
+
common_end(s);
return 0;
NULL
};
+#ifdef CONFIG_ENCODERS
AVCodec snow_encoder = {
"snow",
CODEC_TYPE_VIDEO,
encode_frame,
encode_end,
};
+#endif
#if 0
int i;
s.spatial_decomposition_count=6;
s.spatial_decomposition_type=1;
-
+
printf("testing 5/3 DWT\n");
for(i=0; i<width*height; i++)
buffer[0][i]= buffer[1][i]= random()%54321 - 12345;
-
- spatial_dwt(&s, buffer[0], width, height, width);
- spatial_idwt(&s, buffer[0], width, height, width);
-
+
+ ff_spatial_dwt(buffer[0], width, height, width, s.spatial_decomposition_type, s.spatial_decomposition_count);
+ ff_spatial_idwt(buffer[0], width, height, width, s.spatial_decomposition_type, s.spatial_decomposition_count);
+
for(i=0; i<width*height; i++)
if(buffer[0][i]!= buffer[1][i]) printf("fsck: %d %d %d\n",i, buffer[0][i], buffer[1][i]);
s.spatial_decomposition_type=0;
for(i=0; i<width*height; i++)
buffer[0][i]= buffer[1][i]= random()%54321 - 12345;
-
- spatial_dwt(&s, buffer[0], width, height, width);
- spatial_idwt(&s, buffer[0], width, height, width);
-
+
+ ff_spatial_dwt(buffer[0], width, height, width, s.spatial_decomposition_type, s.spatial_decomposition_count);
+ ff_spatial_idwt(buffer[0], width, height, width, s.spatial_decomposition_type, s.spatial_decomposition_count);
+
for(i=0; i<width*height; i++)
- if(buffer[0][i]!= buffer[1][i]) printf("fsck: %d %d %d\n",i, buffer[0][i], buffer[1][i]);
-
+ if(ABS(buffer[0][i] - buffer[1][i])>20) printf("fsck: %d %d %d\n",i, buffer[0][i], buffer[1][i]);
+
+#if 0
printf("testing AC coder\n");
memset(s.header_state, 0, sizeof(s.header_state));
- ff_init_cabac_encoder(&s.c, buffer[0], 256*256);
+ ff_init_range_encoder(&s.c, buffer[0], 256*256);
ff_init_cabac_states(&s.c, ff_h264_lps_range, ff_h264_mps_state, ff_h264_lps_state, 64);
-
+
for(i=-256; i<256; i++){
START_TIMER
put_symbol(&s.c, s.header_state, i*i*i/3*ABS(i), 1);
STOP_TIMER("put_symbol")
}
- put_cabac_terminate(&s.c, 1);
+ ff_rac_terminate(&s.c);
memset(s.header_state, 0, sizeof(s.header_state));
- ff_init_cabac_decoder(&s.c, buffer[0], 256*256);
+ ff_init_range_decoder(&s.c, buffer[0], 256*256);
ff_init_cabac_states(&s.c, ff_h264_lps_range, ff_h264_mps_state, ff_h264_lps_state, 64);
-
+
for(i=-256; i<256; i++){
int j;
START_TIMER
STOP_TIMER("get_symbol")
if(j!=i*i*i/3*ABS(i)) printf("fsck: %d != %d\n", i, j);
}
+#endif
{
int level, orientation, x, y;
int64_t errors[8][4];
if(orientation&1) buf+=w;
if(orientation>1) buf+=stride>>1;
-
+
memset(buffer[0], 0, sizeof(int)*width*height);
buf[w/2 + h/2*stride]= 256*256;
- spatial_idwt(&s, buffer[0], width, height, width);
+ ff_spatial_idwt(buffer[0], width, height, width, s.spatial_decomposition_type, s.spatial_decomposition_count);
for(y=0; y<height; y++){
for(x=0; x<width; x++){
int64_t d= buffer[0][x + y*width];
buf+=w;
buf+=stride>>1;
-
+
memset(buffer[0], 0, sizeof(int)*width*height);
#if 1
for(y=0; y<height; y++){
buffer[0][x+width*y]= 256*256*tab[(x&1) + 2*(y&1)];
}
}
- spatial_dwt(&s, buffer[0], width, height, width);
+ ff_spatial_dwt(buffer[0], width, height, width, s.spatial_decomposition_type, s.spatial_decomposition_count);
#else
for(y=0; y<h; y++){
for(x=0; x<w; x++){
buf[x + y*stride-w]=64;
}
}
- spatial_idwt(&s, buffer[0], width, height, width);
+ ff_spatial_idwt(buffer[0], width, height, width, s.spatial_decomposition_type, s.spatial_decomposition_count);
#endif
for(y=0; y<height; y++){
for(x=0; x<width; x++){
projects / ffmpeg / blobdiff