*
* Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
*
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-
+
/**
- * @file ffv1.c
- * FF Video Codec 1 (a experimental lossless codec)
+ * @file
+ * FF Video Codec 1 (a lossless codec)
*/
-#include "common.h"
#include "avcodec.h"
+#include "get_bits.h"
+#include "put_bits.h"
#include "dsputil.h"
-#include "cabac.h"
+#include "rangecoder.h"
#include "golomb.h"
+#include "mathops.h"
+#include "libavutil/avassert.h"
#define MAX_PLANES 4
#define CONTEXT_SIZE 32
+#define MAX_QUANT_TABLES 8
+#define MAX_CONTEXT_INPUTS 5
+
+extern const uint8_t ff_log2_run[32];
+
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,
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, 0,
};
+
+static const int8_t quant5_10bit[256]={
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 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, 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, 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, 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,-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,-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,-2,-2,
+-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-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,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,
+};
+
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,-4,-4,-4,-3,-3,-3,-3,
-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-2,-2,-2,-2,-1,-1,
};
+static const int8_t quant9_10bit[256]={
+ 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3,
+ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+ 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4,
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,
+-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,
+-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,
+-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,
+-4,-4,-4,-4,-4,-4,-4,-4,-4,-3,-3,-3,-3,-3,-3,-3,
+-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,
+-3,-3,-3,-3,-3,-3,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
+-2,-2,-2,-2,-1,-1,-1,-1,-1,-1,-1,-1,-0,-0,-0,-0,
+};
+
static const int8_t quant11[256]={
0, 1, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
-4,-4,-4,-4,-4,-4,-4,-4,-4,-3,-3,-3,-3,-2,-2,-1,
};
-static const uint8_t log2_run[32]={
- 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3,
- 4, 4, 5, 5, 6, 6, 7, 7,
- 8, 9,10,11,12,13,14,15,
+static const uint8_t ver2_state[256]= {
+ 0, 10, 10, 10, 10, 16, 16, 16, 28, 16, 16, 29, 42, 49, 20, 49,
+ 59, 25, 26, 26, 27, 31, 33, 33, 33, 34, 34, 37, 67, 38, 39, 39,
+ 40, 40, 41, 79, 43, 44, 45, 45, 48, 48, 64, 50, 51, 52, 88, 52,
+ 53, 74, 55, 57, 58, 58, 74, 60, 101, 61, 62, 84, 66, 66, 68, 69,
+ 87, 82, 71, 97, 73, 73, 82, 75, 111, 77, 94, 78, 87, 81, 83, 97,
+ 85, 83, 94, 86, 99, 89, 90, 99, 111, 92, 93, 134, 95, 98, 105, 98,
+ 105, 110, 102, 108, 102, 118, 103, 106, 106, 113, 109, 112, 114, 112, 116, 125,
+ 115, 116, 117, 117, 126, 119, 125, 121, 121, 123, 145, 124, 126, 131, 127, 129,
+ 165, 130, 132, 138, 133, 135, 145, 136, 137, 139, 146, 141, 143, 142, 144, 148,
+ 147, 155, 151, 149, 151, 150, 152, 157, 153, 154, 156, 168, 158, 162, 161, 160,
+ 172, 163, 169, 164, 166, 184, 167, 170, 177, 174, 171, 173, 182, 176, 180, 178,
+ 175, 189, 179, 181, 186, 183, 192, 185, 200, 187, 191, 188, 190, 197, 193, 196,
+ 197, 194, 195, 196, 198, 202, 199, 201, 210, 203, 207, 204, 205, 206, 208, 214,
+ 209, 211, 221, 212, 213, 215, 224, 216, 217, 218, 219, 220, 222, 228, 223, 225,
+ 226, 224, 227, 229, 240, 230, 231, 232, 233, 234, 235, 236, 238, 239, 237, 242,
+ 241, 243, 242, 244, 245, 246, 247, 248, 249, 250, 251, 252, 252, 253, 254, 255,
};
typedef struct VlcState{
} VlcState;
typedef struct PlaneContext{
+ int16_t quant_table[MAX_CONTEXT_INPUTS][256];
+ int quant_table_index;
int context_count;
uint8_t (*state)[CONTEXT_SIZE];
VlcState *vlc_state;
uint8_t interlace_bit_state[2];
} PlaneContext;
+#define MAX_SLICES 256
+
typedef struct FFV1Context{
AVCodecContext *avctx;
- CABACContext c;
+ RangeCoder c;
GetBitContext gb;
PutBitContext pb;
+ uint64_t rc_stat[256][2];
int version;
int width, height;
int chroma_h_shift, chroma_v_shift;
int picture_number;
AVFrame picture;
int plane_count;
- int ac; ///< 1-> CABAC 0-> golomb rice
+ int ac; ///< 1=range coder <-> 0=golomb rice
PlaneContext plane[MAX_PLANES];
- int16_t quant_table[5][256];
-
- DSPContext dsp;
+ int16_t quant_table[MAX_CONTEXT_INPUTS][256];
+ int16_t quant_tables[MAX_QUANT_TABLES][MAX_CONTEXT_INPUTS][256];
+ int context_count[MAX_QUANT_TABLES];
+ uint8_t state_transition[256];
+ int run_index;
+ int colorspace;
+ int_fast16_t *sample_buffer;
+
+ int quant_table_count;
+
+ DSPContext dsp;
+
+ struct FFV1Context *slice_context[MAX_SLICES];
+ int slice_count;
+ int num_v_slices;
+ int num_h_slices;
+ int slice_width;
+ int slice_height;
+ int slice_x;
+ int slice_y;
}FFV1Context;
-static inline int predict(uint8_t *src, uint8_t *last){
+static av_always_inline int fold(int diff, int bits){
+ if(bits==8)
+ diff= (int8_t)diff;
+ else{
+ diff+= 1<<(bits-1);
+ diff&=(1<<bits)-1;
+ diff-= 1<<(bits-1);
+ }
+
+ return diff;
+}
+
+static inline int predict(int_fast16_t *src, int_fast16_t *last){
const int LT= last[-1];
const int T= last[ 0];
const int L = src[-1];
- uint8_t *cm = cropTbl + MAX_NEG_CROP;
- const int gradient= cm[L + T - LT];
- return mid_pred(L, gradient, T);
+ return mid_pred(L, L + T - LT, T);
}
-static inline int get_context(FFV1Context *f, uint8_t *src, uint8_t *last, uint8_t *last2){
+static inline int get_context(PlaneContext *p, int_fast16_t *src, int_fast16_t *last, int_fast16_t *last2){
const int LT= last[-1];
const int T= last[ 0];
const int RT= last[ 1];
const int L = src[-1];
- if(f->quant_table[3][127]){
+ if(p->quant_table[3][127]){
const int TT= last2[0];
const int LL= src[-2];
- return f->quant_table[0][(L-LT) & 0xFF] + f->quant_table[1][(LT-T) & 0xFF] + f->quant_table[2][(T-RT) & 0xFF]
- +f->quant_table[3][(LL-L) & 0xFF] + f->quant_table[4][(TT-T) & 0xFF];
+ return p->quant_table[0][(L-LT) & 0xFF] + p->quant_table[1][(LT-T) & 0xFF] + p->quant_table[2][(T-RT) & 0xFF]
+ +p->quant_table[3][(LL-L) & 0xFF] + p->quant_table[4][(TT-T) & 0xFF];
}else
- return f->quant_table[0][(L-LT) & 0xFF] + f->quant_table[1][(LT-T) & 0xFF] + f->quant_table[2][(T-RT) & 0xFF];
+ return p->quant_table[0][(L-LT) & 0xFF] + p->quant_table[1][(LT-T) & 0xFF] + p->quant_table[2][(T-RT) & 0xFF];
}
-/**
- * put
- */
-static inline void put_symbol(CABACContext *c, uint8_t *state, int v, int is_signed){
+static av_always_inline av_flatten void put_symbol_inline(RangeCoder *c, uint8_t *state, int v, int is_signed, uint64_t rc_stat[256][2]){
int i;
+#define put_rac(C,S,B) \
+do{\
+ if(rc_stat){\
+ rc_stat[*(S)][B]++;\
+ }\
+ put_rac(C,S,B);\
+}while(0)
+
if(v){
- const int a= ABS(v);
+ const int a= FFABS(v);
const int e= av_log2(a);
+ put_rac(c, state+0, 0);
+ if(e<=9){
+ for(i=0; i<e; i++){
+ put_rac(c, state+1+i, 1); //1..10
+ }
+ put_rac(c, state+1+i, 0);
- put_cabac(c, state+0, 0);
- put_cabac_u(c, state+1, e, 7, 6, 1); //1..7
- if(e<7){
for(i=e-1; i>=0; i--){
- static const int offset[7]= {15+0, 15+0, 15+1, 15+3, 15+6, 15+10, 15+11};
- put_cabac(c, state+offset[e]+i, (a>>i)&1); //15..31
+ put_rac(c, state+22+i, (a>>i)&1); //22..31
}
+
if(is_signed)
- put_cabac(c, state+8 + e, v < 0); //8..14
+ put_rac(c, state+11 + e, v < 0); //11..21
+ }else{
+ for(i=0; i<e; i++){
+ put_rac(c, state+1+FFMIN(i,9), 1); //1..10
+ }
+ put_rac(c, state+1+9, 0);
+
+ for(i=e-1; i>=0; i--){
+ put_rac(c, state+22+FFMIN(i,9), (a>>i)&1); //22..31
+ }
+
+ if(is_signed)
+ put_rac(c, state+11 + 10, v < 0); //11..21
}
}else{
- put_cabac(c, state+0, 1);
+ put_rac(c, state+0, 1);
}
+#undef put_rac
}
-static inline int get_symbol(CABACContext *c, uint8_t *state, int is_signed){
- int i;
+static void av_noinline put_symbol(RangeCoder *c, uint8_t *state, int v, int is_signed){
+ put_symbol_inline(c, state, v, is_signed, NULL);
+}
- if(get_cabac(c, state+0))
+static inline av_flatten int get_symbol_inline(RangeCoder *c, uint8_t *state, int is_signed){
+ if(get_rac(c, state+0))
return 0;
else{
- const int e= get_cabac_u(c, state+1, 7, 6, 1); //1..7
-
- if(e<7){
- int a= 1<<e;
+ int i, e, a;
+ e= 0;
+ while(get_rac(c, state+1 + FFMIN(e,9))){ //1..10
+ e++;
+ }
- for(i=e-1; i>=0; i--){
- static const int offset[7]= {15+0, 15+0, 15+1, 15+3, 15+6, 15+10, 15+11};
- a += get_cabac(c, state+offset[e]+i)<<i; //14..31
- }
+ a= 1;
+ 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+8 + e)) //8..14
- return -a;
- else
- return a;
- }else
- return -128;
+ e= -(is_signed && get_rac(c, state+11 + FFMIN(e, 10))); //11..21
+ return (a^e)-e;
}
}
+static int av_noinline get_symbol(RangeCoder *c, uint8_t *state, int is_signed){
+ return get_symbol_inline(c, state, is_signed);
+}
+
static inline void update_vlc_state(VlcState * const state, const int v){
int drift= state->drift;
int count= state->count;
- state->error_sum += ABS(v);
+ state->error_sum += FFABS(v);
drift += v;
if(count == 128){ //FIXME variable
if(drift <= -count){
if(state->bias > -128) state->bias--;
-
+
drift += count;
if(drift <= -count)
drift= -count + 1;
}else if(drift > 0){
if(state->bias < 127) state->bias++;
-
+
drift -= count;
- if(drift > 0)
+ if(drift > 0)
drift= 0;
}
state->count= count;
}
-static inline void put_vlc_symbol(PutBitContext *pb, VlcState * const state, int v){
+static inline void put_vlc_symbol(PutBitContext *pb, VlcState * const state, int v, int bits){
int i, k, code;
//printf("final: %d ", v);
- v = (int8_t)(v - state->bias);
-
+ v = fold(v - state->bias, bits);
+
i= state->count;
k=0;
while(i < state->error_sum){ //FIXME optimize
k++;
i += i;
}
+
+ assert(k<=8);
+
#if 0 // JPEG LS
if(k==0 && 2*state->drift <= - state->count) code= v ^ (-1);
else code= v;
#else
code= v ^ ((2*state->drift + state->count)>>31);
#endif
-
- code = -2*code-1;
- code^= (code>>31);
+
//printf("v:%d/%d bias:%d error:%d drift:%d count:%d k:%d\n", v, code, state->bias, state->error_sum, state->drift, state->count, k);
- set_ur_golomb(pb, code, k, 8, 8);
+ set_sr_golomb(pb, code, k, 12, bits);
update_vlc_state(state, v);
}
-static inline int get_vlc_symbol(GetBitContext *gb, VlcState * const state){
+static inline int get_vlc_symbol(GetBitContext *gb, VlcState * const state, int bits){
int k, i, v, ret;
i= state->count;
k++;
i += i;
}
-
- v= get_ur_golomb(gb, k, 8, 8);
+
+ assert(k<=8);
+
+ v= get_sr_golomb(gb, k, 12, bits);
//printf("v:%d bias:%d error:%d drift:%d count:%d k:%d", v, state->bias, state->error_sum, state->drift, state->count, k);
-
- v++;
- if(v&1) v= (v>>1);
- else v= -(v>>1);
#if 0 // JPEG LS
if(k==0 && 2*state->drift <= - state->count) v ^= (-1);
v ^= ((2*state->drift + state->count)>>31);
#endif
- ret= (int8_t)(v + state->bias);
-
+ ret= fold(v + state->bias, bits);
+
update_vlc_state(state, v);
//printf("final: %d\n", ret);
return ret;
}
+#if CONFIG_FFV1_ENCODER
+static av_always_inline int encode_line(FFV1Context *s, int w, int_fast16_t *sample[2], int plane_index, int bits){
+ PlaneContext * const p= &s->plane[plane_index];
+ RangeCoder * const c= &s->c;
+ int x;
+ int run_index= s->run_index;
+ int run_count=0;
+ int run_mode=0;
+
+ if(s->ac){
+ if(c->bytestream_end - c->bytestream < w*20){
+ av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
+ return -1;
+ }
+ }else{
+ if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < w*4){
+ av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
+ return -1;
+ }
+ }
+ for(x=0; x<w; x++){
+ int diff, context;
-static void encode_plane(FFV1Context *s, uint8_t *src, int w, int h, int stride, int plane_index){
- PlaneContext * const p= &s->plane[plane_index];
- CABACContext * const c= &s->c;
- int x,y;
- uint8_t pred_diff_buffer[4][w+6]; //FIXME rema,e
- uint8_t *pred_diff[4]= {pred_diff_buffer[0]+3, pred_diff_buffer[1]+3, pred_diff_buffer[2]+3, pred_diff_buffer[3]+3};
- int run_index=0;
-
- memset(pred_diff_buffer, 0, sizeof(pred_diff_buffer));
-
- for(y=0; y<h; y++){
- uint8_t *temp= pred_diff[0]; //FIXME try a normal buffer
- int run_count=0;
- int run_mode=0;
-
- pred_diff[0]= pred_diff[1];
- pred_diff[1]= pred_diff[2];
- pred_diff[2]= pred_diff[3];
- pred_diff[3]= temp;
-
- pred_diff[3][-1]= pred_diff[2][0 ];
- pred_diff[2][ w]= pred_diff[2][w-1];
+ context= get_context(p, sample[0]+x, sample[1]+x, sample[2]+x);
+ diff= sample[0][x] - predict(sample[0]+x, sample[1]+x);
- for(x=0; x<w; x++){
- uint8_t *temp_src= src + x + stride*y;
- int diff, context;
-
- context= get_context(s, pred_diff[3]+x, pred_diff[2]+x, pred_diff[1]+x);
- diff= temp_src[0] - predict(pred_diff[3]+x, pred_diff[2]+x);
-
- if(context < 0){
- context = -context;
- diff= -diff;
- }
+ if(context < 0){
+ context = -context;
+ diff= -diff;
+ }
- diff= (int8_t)diff;
+ diff= fold(diff, bits);
- if(s->ac)
- put_symbol(c, p->state[context], diff, 1);
- else{
- if(context == 0) run_mode=1;
-
- if(run_mode){
+ if(s->ac){
+ if(s->flags & CODEC_FLAG_PASS1){
+ put_symbol_inline(c, p->state[context], diff, 1, s->rc_stat);
+ }else{
+ put_symbol_inline(c, p->state[context], diff, 1, NULL);
+ }
+ }else{
+ if(context == 0) run_mode=1;
- if(diff){
- while(run_count >= 1<<log2_run[run_index]){
- run_count -= 1<<log2_run[run_index];
- run_index++;
- put_bits(&s->pb, 1, 1);
- }
-
- put_bits(&s->pb, 1 + log2_run[run_index], run_count);
- if(run_index) run_index--;
- run_count=0;
- run_mode=0;
- if(diff>0) diff--;
- }else{
- run_count++;
+ if(run_mode){
+
+ if(diff){
+ while(run_count >= 1<<ff_log2_run[run_index]){
+ run_count -= 1<<ff_log2_run[run_index];
+ run_index++;
+ put_bits(&s->pb, 1, 1);
}
- }
-
-// printf("count:%d index:%d, mode:%d, x:%d y:%d pos:%d\n", run_count, run_index, run_mode, x, y, (int)get_bit_count(&s->pb));
- if(run_mode == 0)
- put_vlc_symbol(&s->pb, &p->vlc_state[context], diff);
+ put_bits(&s->pb, 1 + ff_log2_run[run_index], run_count);
+ if(run_index) run_index--;
+ run_count=0;
+ run_mode=0;
+ if(diff>0) diff--;
+ }else{
+ run_count++;
+ }
}
- pred_diff[3][x]= temp_src[0];
+// printf("count:%d index:%d, mode:%d, x:%d y:%d pos:%d\n", run_count, run_index, run_mode, x, y, (int)put_bits_count(&s->pb));
+
+ if(run_mode == 0)
+ put_vlc_symbol(&s->pb, &p->vlc_state[context], diff, bits);
}
- if(run_mode){
- while(run_count >= 1<<log2_run[run_index]){
- run_count -= 1<<log2_run[run_index];
- run_index++;
- put_bits(&s->pb, 1, 1);
+ }
+ if(run_mode){
+ while(run_count >= 1<<ff_log2_run[run_index]){
+ run_count -= 1<<ff_log2_run[run_index];
+ run_index++;
+ put_bits(&s->pb, 1, 1);
+ }
+
+ if(run_count)
+ put_bits(&s->pb, 1, 1);
+ }
+ s->run_index= run_index;
+
+ return 0;
+}
+
+static void encode_plane(FFV1Context *s, uint8_t *src, int w, int h, int stride, int plane_index){
+ int x,y,i;
+ const int ring_size= s->avctx->context_model ? 3 : 2;
+ int_fast16_t *sample[3];
+ s->run_index=0;
+
+ memset(s->sample_buffer, 0, ring_size*(w+6)*sizeof(*s->sample_buffer));
+
+ for(y=0; y<h; y++){
+ for(i=0; i<ring_size; i++)
+ sample[i]= s->sample_buffer + (w+6)*((h+i-y)%ring_size) + 3;
+
+ sample[0][-1]= sample[1][0 ];
+ sample[1][ w]= sample[1][w-1];
+//{START_TIMER
+ if(s->avctx->bits_per_raw_sample<=8){
+ for(x=0; x<w; x++){
+ sample[0][x]= src[x + stride*y];
}
+ encode_line(s, w, sample, plane_index, 8);
+ }else{
+ for(x=0; x<w; x++){
+ sample[0][x]= ((uint16_t*)(src + stride*y))[x] >> (16 - s->avctx->bits_per_raw_sample);
+ }
+ encode_line(s, w, sample, plane_index, s->avctx->bits_per_raw_sample);
+ }
+//STOP_TIMER("encode line")}
+ }
+}
- if(run_count)
- put_bits(&s->pb, 1, 1);
+static void encode_rgb_frame(FFV1Context *s, uint32_t *src, int w, int h, int stride){
+ int x, y, p, i;
+ const int ring_size= s->avctx->context_model ? 3 : 2;
+ int_fast16_t *sample[3][3];
+ s->run_index=0;
+
+ memset(s->sample_buffer, 0, ring_size*3*(w+6)*sizeof(*s->sample_buffer));
+
+ for(y=0; y<h; y++){
+ for(i=0; i<ring_size; i++)
+ for(p=0; p<3; p++)
+ sample[p][i]= s->sample_buffer + p*ring_size*(w+6) + ((h+i-y)%ring_size)*(w+6) + 3;
+
+ for(x=0; x<w; x++){
+ int v= src[x + stride*y];
+ int b= v&0xFF;
+ int g= (v>>8)&0xFF;
+ int r= (v>>16)&0xFF;
+
+ b -= g;
+ r -= g;
+ g += (b + r)>>2;
+ b += 0x100;
+ r += 0x100;
+
+// assert(g>=0 && b>=0 && r>=0);
+// assert(g<256 && b<512 && r<512);
+ sample[0][0][x]= g;
+ sample[1][0][x]= b;
+ sample[2][0][x]= r;
+ }
+ for(p=0; p<3; p++){
+ sample[p][0][-1]= sample[p][1][0 ];
+ sample[p][1][ w]= sample[p][1][w-1];
+ encode_line(s, w, sample[p], FFMIN(p, 1), 9);
}
}
}
-static void write_quant_table(CABACContext *c, int16_t *quant_table){
+static void write_quant_table(RangeCoder *c, int16_t *quant_table){
int last=0;
int i;
- uint8_t state[CONTEXT_SIZE]={0};
+ uint8_t state[CONTEXT_SIZE];
+ memset(state, 128, sizeof(state));
for(i=1; i<128 ; i++){
if(quant_table[i] != quant_table[i-1]){
put_symbol(c, state, i-last-1, 0);
}
-static void write_header(FFV1Context *f){
- uint8_t state[CONTEXT_SIZE]={0};
+static void write_quant_tables(RangeCoder *c, int16_t quant_table[MAX_CONTEXT_INPUTS][256]){
int i;
- CABACContext * const c= &f->c;
+ for(i=0; i<5; i++)
+ write_quant_table(c, quant_table[i]);
+}
- put_symbol(c, state, f->version, 0);
- put_symbol(c, state, f->avctx->coder_type, 0);
- put_symbol(c, state, 0, 0); //YUV cs type
- put_cabac(c, state, 1); //chroma planes
- put_symbol(c, state, f->chroma_h_shift, 0);
- put_symbol(c, state, f->chroma_v_shift, 0);
- put_cabac(c, state, 0); //no transparency plane
+static void write_header(FFV1Context *f){
+ uint8_t state[CONTEXT_SIZE];
+ int i, j;
+ RangeCoder * const c= &f->slice_context[0]->c;
- for(i=0; i<5; i++)
- write_quant_table(c, f->quant_table[i]);
+ memset(state, 128, sizeof(state));
+
+ if(f->version < 2){
+ put_symbol(c, state, f->version, 0);
+ put_symbol(c, state, f->ac, 0);
+ if(f->ac>1){
+ for(i=1; i<256; i++){
+ put_symbol(c, state, f->state_transition[i] - c->one_state[i], 1);
+ }
+ }
+ put_symbol(c, state, f->colorspace, 0); //YUV cs type
+ if(f->version>0)
+ put_symbol(c, state, f->avctx->bits_per_raw_sample, 0);
+ put_rac(c, state, 1); //chroma planes
+ put_symbol(c, state, f->chroma_h_shift, 0);
+ put_symbol(c, state, f->chroma_v_shift, 0);
+ put_rac(c, state, 0); //no transparency plane
+
+ write_quant_tables(c, f->quant_table);
+ }else{
+ put_symbol(c, state, f->slice_count, 0);
+ for(i=0; i<f->slice_count; i++){
+ FFV1Context *fs= f->slice_context[i];
+ put_symbol(c, state, (fs->slice_x +1)*f->num_h_slices / f->width , 0);
+ put_symbol(c, state, (fs->slice_y +1)*f->num_v_slices / f->height , 0);
+ put_symbol(c, state, (fs->slice_width +1)*f->num_h_slices / f->width -1, 0);
+ put_symbol(c, state, (fs->slice_height+1)*f->num_v_slices / f->height-1, 0);
+ for(j=0; j<f->plane_count; j++){
+ put_symbol(c, state, f->plane[j].quant_table_index, 0);
+ av_assert0(f->plane[j].quant_table_index == f->avctx->context_model);
+ }
+ }
+ }
}
+#endif /* CONFIG_FFV1_ENCODER */
-static int common_init(AVCodecContext *avctx){
+static av_cold int common_init(AVCodecContext *avctx){
FFV1Context *s = avctx->priv_data;
- int width, height;
s->avctx= avctx;
s->flags= avctx->flags;
-
+
dsputil_init(&s->dsp, avctx);
-
- width= s->width= avctx->width;
- height= s->height= avctx->height;
-
- assert(width && height);
+
+ s->width = avctx->width;
+ s->height= avctx->height;
+
+ assert(s->width && s->height);
+ //defaults
+ s->num_h_slices=1;
+ s->num_v_slices=1;
+
+
+ return 0;
+}
+
+static int init_slice_state(FFV1Context *f){
+ int i, j;
+
+ for(i=0; i<f->slice_count; i++){
+ FFV1Context *fs= f->slice_context[i];
+ for(j=0; j<f->plane_count; j++){
+ PlaneContext * const p= &fs->plane[j];
+
+ if(fs->ac){
+ if(!p-> state) p-> state= av_malloc(CONTEXT_SIZE*p->context_count*sizeof(uint8_t));
+ if(!p-> state)
+ return AVERROR(ENOMEM);
+ }else{
+ if(!p->vlc_state) p->vlc_state= av_malloc(p->context_count*sizeof(VlcState));
+ if(!p->vlc_state)
+ return AVERROR(ENOMEM);
+ }
+ }
+
+ if (fs->ac>1){
+ //FIXME only redo if state_transition changed
+ for(j=1; j<256; j++){
+ fs->c.one_state [ j]= fs->state_transition[j];
+ fs->c.zero_state[256-j]= 256-fs->c.one_state [j];
+ }
+ }
+ }
+
+ return 0;
+}
+
+static av_cold int init_slice_contexts(FFV1Context *f){
+ int i;
+
+ f->slice_count= f->num_h_slices * f->num_v_slices;
+
+ for(i=0; i<f->slice_count; i++){
+ FFV1Context *fs= av_mallocz(sizeof(*fs));
+ int sx= i % f->num_h_slices;
+ int sy= i / f->num_h_slices;
+ int sxs= f->avctx->width * sx / f->num_h_slices;
+ int sxe= f->avctx->width *(sx+1) / f->num_h_slices;
+ int sys= f->avctx->height* sy / f->num_v_slices;
+ int sye= f->avctx->height*(sy+1) / f->num_v_slices;
+ f->slice_context[i]= fs;
+ memcpy(fs, f, sizeof(*fs));
+
+ fs->slice_width = sxe - sxs;
+ fs->slice_height= sye - sys;
+ fs->slice_x = sxs;
+ fs->slice_y = sys;
+
+ fs->sample_buffer = av_malloc(6 * (fs->width+6) * sizeof(*fs->sample_buffer));
+ if (!fs->sample_buffer)
+ return AVERROR(ENOMEM);
+ }
+ return 0;
+}
+
+#if CONFIG_FFV1_ENCODER
+static int write_extra_header(FFV1Context *f){
+ RangeCoder * const c= &f->c;
+ uint8_t state[CONTEXT_SIZE];
+ int i;
+ memset(state, 128, sizeof(state));
+
+ f->avctx->extradata= av_malloc(f->avctx->extradata_size= 10000);
+ ff_init_range_encoder(c, f->avctx->extradata, f->avctx->extradata_size);
+ ff_build_rac_states(c, 0.05*(1LL<<32), 256-8);
+
+ put_symbol(c, state, f->version, 0);
+ put_symbol(c, state, f->ac, 0);
+ if(f->ac>1){
+ for(i=1; i<256; i++){
+ put_symbol(c, state, f->state_transition[i] - c->one_state[i], 1);
+ }
+ }
+ put_symbol(c, state, f->colorspace, 0); //YUV cs type
+ put_symbol(c, state, f->avctx->bits_per_raw_sample, 0);
+ put_rac(c, state, 1); //chroma planes
+ put_symbol(c, state, f->chroma_h_shift, 0);
+ put_symbol(c, state, f->chroma_v_shift, 0);
+ put_rac(c, state, 0); //no transparency plane
+ put_symbol(c, state, f->num_h_slices-1, 0);
+ put_symbol(c, state, f->num_v_slices-1, 0);
+
+ put_symbol(c, state, f->quant_table_count, 0);
+ for(i=0; i<f->quant_table_count; i++)
+ write_quant_tables(c, f->quant_tables[i]);
+
+ f->avctx->extradata_size= ff_rac_terminate(c);
return 0;
}
-static int encode_init(AVCodecContext *avctx)
+static int sort_stt(FFV1Context *s, uint8_t stt[256]){
+ int i,i2,changed,print=0;
+
+ do{
+ changed=0;
+ for(i=12; i<244; i++){
+ for(i2=i+1; i2<245 && i2<i+4; i2++){
+#define COST(old, new) \
+ s->rc_stat[old][0]*-log2((256-(new))/256.0)\
+ +s->rc_stat[old][1]*-log2( (new) /256.0)
+
+#define COST2(old, new) \
+ COST(old, new)\
+ +COST(256-(old), 256-(new))
+
+ double size0= COST2(i, i ) + COST2(i2, i2);
+ double sizeX= COST2(i, i2) + COST2(i2, i );
+ if(sizeX < size0 && i!=128 && i2!=128){
+ int j;
+ FFSWAP(int, stt[ i], stt[ i2]);
+ FFSWAP(int, s->rc_stat[i ][0],s->rc_stat[ i2][0]);
+ FFSWAP(int, s->rc_stat[i ][1],s->rc_stat[ i2][1]);
+ if(i != 256-i2){
+ FFSWAP(int, stt[256-i], stt[256-i2]);
+ FFSWAP(int, s->rc_stat[256-i][0],s->rc_stat[256-i2][0]);
+ FFSWAP(int, s->rc_stat[256-i][1],s->rc_stat[256-i2][1]);
+ }
+ for(j=1; j<256; j++){
+ if (stt[j] == i ) stt[j] = i2;
+ else if(stt[j] == i2) stt[j] = i ;
+ if(i != 256-i2){
+ if (stt[256-j] == 256-i ) stt[256-j] = 256-i2;
+ else if(stt[256-j] == 256-i2) stt[256-j] = 256-i ;
+ }
+ }
+ print=changed=1;
+ }
+ }
+ }
+ }while(changed);
+ return print;
+}
+
+static av_cold int encode_init(AVCodecContext *avctx)
{
FFV1Context *s = avctx->priv_data;
- int i;
+ int i, j;
common_init(avctx);
-
+
s->version=0;
- s->ac= avctx->coder_type;
-
- s->plane_count=3;
+ s->ac= avctx->coder_type ? 2:0;
+
+ if(s->ac>1)
+ for(i=1; i<256; i++)
+ s->state_transition[i]=ver2_state[i];
+
+ s->plane_count=2;
for(i=0; i<256; i++){
- s->quant_table[0][i]= quant11[i];
- s->quant_table[1][i]= 11*quant11[i];
- if(avctx->context_model==0){
- s->quant_table[2][i]= 11*11*quant11[i];
- s->quant_table[3][i]=
- s->quant_table[4][i]=0;
+ s->quant_table_count=2;
+ if(avctx->bits_per_raw_sample <=8){
+ s->quant_tables[0][0][i]= quant11[i];
+ s->quant_tables[0][1][i]= 11*quant11[i];
+ s->quant_tables[0][2][i]= 11*11*quant11[i];
+ s->quant_tables[1][0][i]= quant11[i];
+ s->quant_tables[1][1][i]= 11*quant11[i];
+ s->quant_tables[1][2][i]= 11*11*quant5 [i];
+ s->quant_tables[1][3][i]= 5*11*11*quant5 [i];
+ s->quant_tables[1][4][i]= 5*5*11*11*quant5 [i];
}else{
- s->quant_table[2][i]= 11*11*quant5 [i];
- s->quant_table[3][i]= 5*11*11*quant5 [i];
- s->quant_table[4][i]= 5*5*11*11*quant5 [i];
+ s->quant_tables[0][0][i]= quant9_10bit[i];
+ s->quant_tables[0][1][i]= 11*quant9_10bit[i];
+ s->quant_tables[0][2][i]= 11*11*quant9_10bit[i];
+ s->quant_tables[1][0][i]= quant9_10bit[i];
+ s->quant_tables[1][1][i]= 11*quant9_10bit[i];
+ s->quant_tables[1][2][i]= 11*11*quant5_10bit[i];
+ s->quant_tables[1][3][i]= 5*11*11*quant5_10bit[i];
+ s->quant_tables[1][4][i]= 5*5*11*11*quant5_10bit[i];
}
}
+ s->context_count[0]= (11*11*11+1)/2;
+ s->context_count[1]= (11*11*5*5*5+1)/2;
+ memcpy(s->quant_table, s->quant_tables[avctx->context_model], sizeof(s->quant_table));
for(i=0; i<s->plane_count; i++){
PlaneContext * const p= &s->plane[i];
-
- if(avctx->context_model==0){
- p->context_count= (11*11*11+1)/2;
- }else{
- p->context_count= (11*11*5*5*5+1)/2;
- }
- if(s->ac){
- if(!p->state) p->state= av_malloc(CONTEXT_SIZE*p->context_count*sizeof(uint8_t));
- }else{
- if(!p->vlc_state) p->vlc_state= av_malloc(p->context_count*sizeof(VlcState));
- }
+ memcpy(p->quant_table, s->quant_table, sizeof(p->quant_table));
+ p->quant_table_index= avctx->context_model;
+ p->context_count= s->context_count[p->quant_table_index];
}
avctx->coded_frame= &s->picture;
switch(avctx->pix_fmt){
+ case PIX_FMT_YUV444P16:
+ case PIX_FMT_YUV422P16:
+ case PIX_FMT_YUV420P16:
+ if(avctx->bits_per_raw_sample <=8){
+ av_log(avctx, AV_LOG_ERROR, "bits_per_raw_sample invalid\n");
+ return -1;
+ }
+ if(!s->ac){
+ av_log(avctx, AV_LOG_ERROR, "bits_per_raw_sample of more than 8 needs -coder 1 currently\n");
+ return -1;
+ }
+ s->version= FFMAX(s->version, 1);
case PIX_FMT_YUV444P:
case PIX_FMT_YUV422P:
case PIX_FMT_YUV420P:
case PIX_FMT_YUV411P:
case PIX_FMT_YUV410P:
- avcodec_get_chroma_sub_sample(avctx->pix_fmt, &s->chroma_h_shift, &s->chroma_v_shift);
+ s->colorspace= 0;
+ break;
+ case PIX_FMT_RGB32:
+ s->colorspace= 1;
break;
default:
- fprintf(stderr, "format not supported\n");
+ av_log(avctx, AV_LOG_ERROR, "format not supported\n");
return -1;
}
-
-
+ avcodec_get_chroma_sub_sample(avctx->pix_fmt, &s->chroma_h_shift, &s->chroma_v_shift);
+
s->picture_number=0;
-
+
+ if(avctx->stats_in){
+ char *p= avctx->stats_in;
+
+ for(;;){
+ for(j=0; j<256; j++){
+ for(i=0; i<2; i++){
+ char *next;
+ s->rc_stat[j][i]= strtol(p, &next, 0);
+ if(next==p){
+ av_log(avctx, AV_LOG_ERROR, "2Pass file invalid at %d %d [%s]\n", j,i,p);
+ return -1;
+ }
+ p=next;
+ }
+ }
+ while(*p=='\n' || *p==' ') p++;
+ if(p[0]==0) break;
+ }
+ sort_stt(s, s->state_transition);
+ }
+
+ if(s->version>1){
+ s->num_h_slices=2;
+ s->num_v_slices=2;
+ write_extra_header(s);
+ }
+
+ if(init_slice_contexts(s) < 0)
+ return -1;
+ if(init_slice_state(s) < 0)
+ return -1;
+
+ avctx->stats_out= av_mallocz(1024*30);
+
return 0;
}
+#endif /* CONFIG_FFV1_ENCODER */
static void clear_state(FFV1Context *f){
- int i, j;
-
- for(i=0; i<f->plane_count; i++){
- PlaneContext *p= &f->plane[i];
-
- p->interlace_bit_state[0]= 0;
- p->interlace_bit_state[1]= 0;
-
- for(j=0; j<p->context_count; j++){
- if(f->ac){
- memset(p->state[j], 0, sizeof(uint8_t)*CONTEXT_SIZE);
- p->state[j][7] = 2*62;
- }else{
- p->vlc_state[j].drift= 0;
- p->vlc_state[j].error_sum= 4; //FFMAX((RANGE + 32)/64, 2);
- p->vlc_state[j].bias= 0;
- p->vlc_state[j].count= 1;
+ int i, si, j;
+
+ for(si=0; si<f->slice_count; si++){
+ FFV1Context *fs= f->slice_context[si];
+ for(i=0; i<f->plane_count; i++){
+ PlaneContext *p= &fs->plane[i];
+
+ p->interlace_bit_state[0]= 128;
+ p->interlace_bit_state[1]= 128;
+
+ for(j=0; j<p->context_count; j++){
+ if(fs->ac){
+ memset(p->state[j], 128, sizeof(uint8_t)*CONTEXT_SIZE);
+ }else{
+ p->vlc_state[j].drift= 0;
+ p->vlc_state[j].error_sum= 4; //FFMAX((RANGE + 32)/64, 2);
+ p->vlc_state[j].bias= 0;
+ p->vlc_state[j].count= 1;
+ }
}
}
}
}
+#if CONFIG_FFV1_ENCODER
+static int encode_slice(AVCodecContext *c, void *arg){
+ FFV1Context *fs= *(void**)arg;
+ FFV1Context *f= fs->avctx->priv_data;
+ int width = fs->slice_width;
+ int height= fs->slice_height;
+ int x= fs->slice_x;
+ int y= fs->slice_y;
+ AVFrame * const p= &f->picture;
+
+ if(f->colorspace==0){
+ const int chroma_width = -((-width )>>f->chroma_h_shift);
+ const int chroma_height= -((-height)>>f->chroma_v_shift);
+ const int cx= x>>f->chroma_h_shift;
+ const int cy= y>>f->chroma_v_shift;
+
+ encode_plane(fs, p->data[0] + x + y*p->linesize[0], width, height, p->linesize[0], 0);
+
+ encode_plane(fs, p->data[1] + cx+cy*p->linesize[1], chroma_width, chroma_height, p->linesize[1], 1);
+ encode_plane(fs, p->data[2] + cx+cy*p->linesize[2], chroma_width, chroma_height, p->linesize[2], 1);
+ }else{
+ encode_rgb_frame(fs, (uint32_t*)(p->data[0]) + x + y*(p->linesize[0]/4), width, height, p->linesize[0]/4);
+ }
+ emms_c();
+
+ return 0;
+}
+
static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data){
FFV1Context *f = avctx->priv_data;
- CABACContext * const c= &f->c;
+ RangeCoder * const c= &f->slice_context[0]->c;
AVFrame *pict = data;
- const int width= f->width;
- const int height= f->height;
AVFrame * const p= &f->picture;
int used_count= 0;
+ uint8_t keystate=128;
+ uint8_t *buf_p;
+ int i;
+
+ ff_init_range_encoder(c, buf, buf_size);
+ ff_build_rac_states(c, 0.05*(1LL<<32), 256-8);
- if(avctx->strict_std_compliance >= 0){
- printf("this codec is under development, files encoded with it wont be decodeable with future versions!!!\n"
- "use vstrict=-1 to use it anyway\n");
- return -1;
- }
-
- 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);
-
*p = *pict;
p->pict_type= FF_I_TYPE;
-
+
if(avctx->gop_size==0 || f->picture_number % avctx->gop_size == 0){
- put_cabac_bypass(c, 1);
+ put_rac(c, &keystate, 1);
p->key_frame= 1;
write_header(f);
clear_state(f);
}else{
- put_cabac_bypass(c, 0);
+ put_rac(c, &keystate, 0);
p->key_frame= 0;
}
if(!f->ac){
- used_count += put_cabac_terminate(c, 1);
+ used_count += ff_rac_terminate(c);
//printf("pos=%d\n", used_count);
- init_put_bits(&f->pb, buf + used_count, buf_size - used_count, NULL, NULL);
+ init_put_bits(&f->slice_context[0]->pb, buf + used_count, buf_size - used_count);
+ }else if (f->ac>1){
+ int i;
+ for(i=1; i<256; i++){
+ c->one_state[i]= f->state_transition[i];
+ c->zero_state[256-i]= 256-c->one_state[i];
+ }
}
-
- if(1){
- const int chroma_width = -((-width )>>f->chroma_h_shift);
- const int chroma_height= -((-height)>>f->chroma_v_shift);
- encode_plane(f, p->data[0], width, height, p->linesize[0], 0);
+ for(i=1; i<f->slice_count; i++){
+ FFV1Context *fs= f->slice_context[i];
+ uint8_t *start= buf + (buf_size-used_count)*i/f->slice_count;
+ int len= buf_size/f->slice_count;
- encode_plane(f, p->data[1], chroma_width, chroma_height, p->linesize[1], 1);
- encode_plane(f, p->data[2], chroma_width, chroma_height, p->linesize[2], 2);
+ if(fs->ac){
+ ff_init_range_encoder(&fs->c, start, len);
+ }else{
+ init_put_bits(&fs->pb, start, len);
+ }
}
- emms_c();
-
- f->picture_number++;
+ avctx->execute(avctx, encode_slice, &f->slice_context[0], NULL, f->slice_count, sizeof(void*));
- if(f->ac){
- return put_cabac_terminate(c, 1);
- }else{
- flush_put_bits(&f->pb); //nicer padding FIXME
- return used_count + (get_bit_count(&f->pb)+7)/8;
+ buf_p=buf;
+ for(i=0; i<f->slice_count; i++){
+ FFV1Context *fs= f->slice_context[i];
+ int bytes;
+
+ if(fs->ac){
+ uint8_t state=128;
+ put_rac(&fs->c, &state, 0);
+ bytes= ff_rac_terminate(&fs->c);
+ }else{
+ flush_put_bits(&fs->pb); //nicer padding FIXME
+ bytes= used_count + (put_bits_count(&fs->pb)+7)/8;
+ used_count= 0;
+ }
+ if(i>0){
+ av_assert0(bytes < buf_size/f->slice_count);
+ memmove(buf_p, fs->ac ? fs->c.bytestream_start : fs->pb.buf, bytes);
+ av_assert0(bytes < (1<<24));
+ AV_WB24(buf_p+bytes, bytes);
+ bytes+=3;
+ }
+ buf_p += bytes;
}
-}
-static void common_end(FFV1Context *s){
- int i;
+ if((avctx->flags&CODEC_FLAG_PASS1) && (f->picture_number&31)==0){
+ int j;
+ char *p= avctx->stats_out;
+ char *end= p + 1024*30;
+
+ memset(f->rc_stat, 0, sizeof(f->rc_stat));
+ for(j=0; j<f->slice_count; j++){
+ FFV1Context *fs= f->slice_context[j];
+ for(i=0; i<256; i++){
+ f->rc_stat[i][0] += fs->rc_stat[i][0];
+ f->rc_stat[i][1] += fs->rc_stat[i][1];
+ }
+ }
- for(i=0; i<s->plane_count; i++){
- PlaneContext *p= &s->plane[i];
+ for(j=0; j<256; j++){
+ snprintf(p, end-p, "%"PRIu64" %"PRIu64" ", f->rc_stat[j][0], f->rc_stat[j][1]);
+ p+= strlen(p);
+ }
+ snprintf(p, end-p, "\n");
+ } else
+ avctx->stats_out[0] = '\0';
- av_freep(&p->state);
- }
+ f->picture_number++;
+ return buf_p-buf;
}
+#endif /* CONFIG_FFV1_ENCODER */
-static int encode_end(AVCodecContext *avctx)
-{
+static av_cold int common_end(AVCodecContext *avctx){
FFV1Context *s = avctx->priv_data;
+ int i, j;
+
+ for(j=0; j<s->slice_count; j++){
+ FFV1Context *fs= s->slice_context[j];
+ for(i=0; i<s->plane_count; i++){
+ PlaneContext *p= &fs->plane[i];
+
+ av_freep(&p->state);
+ av_freep(&p->vlc_state);
+ }
+ av_freep(&fs->sample_buffer);
+ }
- common_end(s);
+ av_freep(&avctx->stats_out);
return 0;
}
-static void decode_plane(FFV1Context *s, uint8_t *src, int w, int h, int stride, int plane_index){
+static av_always_inline void decode_line(FFV1Context *s, int w, int_fast16_t *sample[2], int plane_index, int bits){
PlaneContext * const p= &s->plane[plane_index];
- CABACContext * const c= &s->c;
- int x,y;
- uint8_t pred_diff_buffer[4][w+6];
- uint8_t *pred_diff[4]= {pred_diff_buffer[0]+3, pred_diff_buffer[1]+3, pred_diff_buffer[2]+3, pred_diff_buffer[3]+3};
- int run_index=0;
-
- memset(pred_diff_buffer, 0, sizeof(pred_diff_buffer));
-
- for(y=0; y<h; y++){
- uint8_t *temp= pred_diff[0]; //FIXME try a normal buffer
- int run_count=0;
- int run_mode=0;
+ RangeCoder * const c= &s->c;
+ int x;
+ int run_count=0;
+ int run_mode=0;
+ int run_index= s->run_index;
+
+ for(x=0; x<w; x++){
+ int diff, context, sign;
+
+ context= get_context(p, sample[1] + x, sample[0] + x, sample[1] + x);
+ if(context < 0){
+ context= -context;
+ sign=1;
+ }else
+ sign=0;
- pred_diff[0]= pred_diff[1];
- pred_diff[1]= pred_diff[2];
- pred_diff[2]= pred_diff[3];
- pred_diff[3]= temp;
+ av_assert2(context < p->context_count);
- pred_diff[3][-1]= pred_diff[2][0 ];
- pred_diff[2][ w]= pred_diff[2][w-1];
+ if(s->ac){
+ diff= get_symbol_inline(c, p->state[context], 1);
+ }else{
+ if(context == 0 && run_mode==0) run_mode=1;
- for(x=0; x<w; x++){
- uint8_t *temp_src= src + x + stride*y;
- int diff, context, sign;
-
- context= get_context(s, pred_diff[3] + x, pred_diff[2] + x, pred_diff[1] + x);
- if(context < 0){
- context= -context;
- sign=1;
- }else
- sign=0;
-
-
- if(s->ac)
- diff= get_symbol(c, p->state[context], 1);
- else{
- if(context == 0 && run_mode==0) run_mode=1;
-
- if(run_mode){
- if(run_count==0 && run_mode==1){
- if(get_bits1(&s->gb)){
- run_count = 1<<log2_run[run_index];
- if(x + run_count <= w) run_index++;
- }else{
- if(log2_run[run_index]) run_count = get_bits(&s->gb, log2_run[run_index]);
- else run_count=0;
- if(run_index) run_index--;
- run_mode=2;
- }
+ if(run_mode){
+ if(run_count==0 && run_mode==1){
+ if(get_bits1(&s->gb)){
+ run_count = 1<<ff_log2_run[run_index];
+ if(x + run_count <= w) run_index++;
+ }else{
+ if(ff_log2_run[run_index]) run_count = get_bits(&s->gb, ff_log2_run[run_index]);
+ else run_count=0;
+ if(run_index) run_index--;
+ run_mode=2;
}
- run_count--;
- if(run_count < 0){
- run_mode=0;
- run_count=0;
- diff= get_vlc_symbol(&s->gb, &p->vlc_state[context]);
- if(diff>=0) diff++;
- }else
- diff=0;
+ }
+ run_count--;
+ if(run_count < 0){
+ run_mode=0;
+ run_count=0;
+ diff= get_vlc_symbol(&s->gb, &p->vlc_state[context], bits);
+ if(diff>=0) diff++;
}else
- diff= get_vlc_symbol(&s->gb, &p->vlc_state[context]);
-
-// printf("count:%d index:%d, mode:%d, x:%d y:%d pos:%d\n", run_count, run_index, run_mode, x, y, get_bits_count(&s->gb));
+ diff=0;
+ }else
+ diff= get_vlc_symbol(&s->gb, &p->vlc_state[context], bits);
+
+// printf("count:%d index:%d, mode:%d, x:%d y:%d pos:%d\n", run_count, run_index, run_mode, x, y, get_bits_count(&s->gb));
+ }
+
+ if(sign) diff= -diff;
+
+ sample[1][x]= (predict(sample[1] + x, sample[0] + x) + diff) & ((1<<bits)-1);
+ }
+ s->run_index= run_index;
+}
+
+static void decode_plane(FFV1Context *s, uint8_t *src, int w, int h, int stride, int plane_index){
+ int x, y;
+ int_fast16_t *sample[2];
+ sample[0]=s->sample_buffer +3;
+ sample[1]=s->sample_buffer+w+6+3;
+
+ s->run_index=0;
+
+ memset(s->sample_buffer, 0, 2*(w+6)*sizeof(*s->sample_buffer));
+
+ for(y=0; y<h; y++){
+ int_fast16_t *temp= sample[0]; //FIXME try a normal buffer
+
+ sample[0]= sample[1];
+ sample[1]= temp;
+
+ sample[1][-1]= sample[0][0 ];
+ sample[0][ w]= sample[0][w-1];
+
+//{START_TIMER
+ if(s->avctx->bits_per_raw_sample <= 8){
+ decode_line(s, w, sample, plane_index, 8);
+ for(x=0; x<w; x++){
+ src[x + stride*y]= sample[1][x];
+ }
+ }else{
+ decode_line(s, w, sample, plane_index, s->avctx->bits_per_raw_sample);
+ for(x=0; x<w; x++){
+ ((uint16_t*)(src + stride*y))[x]= sample[1][x] << (16 - s->avctx->bits_per_raw_sample);
}
+ }
+//STOP_TIMER("decode-line")}
+ }
+}
- if(sign) diff= (int8_t)(-diff); //FIXME remove cast
+static void decode_rgb_frame(FFV1Context *s, uint32_t *src, int w, int h, int stride){
+ int x, y, p;
+ int_fast16_t *sample[3][2];
+ for(x=0; x<3; x++){
+ sample[x][0] = s->sample_buffer + x*2 *(w+6) + 3;
+ sample[x][1] = s->sample_buffer + (x*2+1)*(w+6) + 3;
+ }
+
+ s->run_index=0;
- pred_diff[3][x]=
- temp_src[0] = predict(pred_diff[3] + x, pred_diff[2] + x) + diff;
-
- assert(diff>= -128 && diff <= 127);
+ memset(s->sample_buffer, 0, 6*(w+6)*sizeof(*s->sample_buffer));
+
+ for(y=0; y<h; y++){
+ for(p=0; p<3; p++){
+ int_fast16_t *temp= sample[p][0]; //FIXME try a normal buffer
+
+ sample[p][0]= sample[p][1];
+ sample[p][1]= temp;
+
+ sample[p][1][-1]= sample[p][0][0 ];
+ sample[p][0][ w]= sample[p][0][w-1];
+ decode_line(s, w, sample[p], FFMIN(p, 1), 9);
+ }
+ for(x=0; x<w; x++){
+ int g= sample[0][1][x];
+ int b= sample[1][1][x];
+ int r= sample[2][1][x];
+
+// assert(g>=0 && b>=0 && r>=0);
+// assert(g<256 && b<512 && r<512);
+
+ b -= 0x100;
+ r -= 0x100;
+ g -= (b + r)>>2;
+ b += g;
+ r += g;
+
+ src[x + stride*y]= b + (g<<8) + (r<<16) + (0xFF<<24);
}
}
}
-static int read_quant_table(CABACContext *c, int16_t *quant_table, int scale){
+static int decode_slice(AVCodecContext *c, void *arg){
+ FFV1Context *fs= *(void**)arg;
+ FFV1Context *f= fs->avctx->priv_data;
+ int width = fs->slice_width;
+ int height= fs->slice_height;
+ int x= fs->slice_x;
+ int y= fs->slice_y;
+ AVFrame * const p= &f->picture;
+
+ av_assert1(width && height);
+ if(f->colorspace==0){
+ const int chroma_width = -((-width )>>f->chroma_h_shift);
+ const int chroma_height= -((-height)>>f->chroma_v_shift);
+ const int cx= x>>f->chroma_h_shift;
+ const int cy= y>>f->chroma_v_shift;
+ decode_plane(fs, p->data[0] + x + y*p->linesize[0], width, height, p->linesize[0], 0);
+
+ decode_plane(fs, p->data[1] + cx+cy*p->linesize[1], chroma_width, chroma_height, p->linesize[1], 1);
+ decode_plane(fs, p->data[2] + cx+cy*p->linesize[1], chroma_width, chroma_height, p->linesize[2], 1);
+ }else{
+ decode_rgb_frame(fs, (uint32_t*)p->data[0] + x + y*(p->linesize[0]/4), width, height, p->linesize[0]/4);
+ }
+
+ emms_c();
+
+ return 0;
+}
+
+static int read_quant_table(RangeCoder *c, int16_t *quant_table, int scale){
int v;
int i=0;
- uint8_t state[CONTEXT_SIZE]={0};
+ uint8_t state[CONTEXT_SIZE];
+
+ memset(state, 128, sizeof(state));
for(v=0; i<128 ; v++){
int len= get_symbol(c, state, 0) + 1;
if(len + i > 128) return -1;
-
+
while(len--){
quant_table[i] = scale*v;
i++;
quant_table[256-i]= -quant_table[i];
}
quant_table[128]= -quant_table[127];
-
+
return 2*v - 1;
}
-static int read_header(FFV1Context *f){
- uint8_t state[CONTEXT_SIZE]={0};
- int i, context_count;
- CABACContext * const c= &f->c;
-
+static int read_quant_tables(RangeCoder *c, int16_t quant_table[MAX_CONTEXT_INPUTS][256]){
+ int i;
+ int context_count=1;
+
+ for(i=0; i<5; i++){
+ context_count*= read_quant_table(c, quant_table[i], context_count);
+ if(context_count > 32768U){
+ return -1;
+ }
+ }
+ return (context_count+1)/2;
+}
+
+static int read_extra_header(FFV1Context *f){
+ RangeCoder * const c= &f->c;
+ uint8_t state[CONTEXT_SIZE];
+ int i;
+
+ memset(state, 128, sizeof(state));
+
+ ff_init_range_decoder(c, f->avctx->extradata, f->avctx->extradata_size);
+ ff_build_rac_states(c, 0.05*(1LL<<32), 256-8);
+
f->version= get_symbol(c, state, 0);
f->ac= f->avctx->coder_type= get_symbol(c, state, 0);
- get_symbol(c, state, 0); //YUV cs type
- get_cabac(c, state); //no chroma = false
+ if(f->ac>1){
+ for(i=1; i<256; i++){
+ f->state_transition[i]= get_symbol(c, state, 1) + c->one_state[i];
+ }
+ }
+ f->colorspace= get_symbol(c, state, 0); //YUV cs type
+ f->avctx->bits_per_raw_sample= get_symbol(c, state, 0);
+ get_rac(c, state); //no chroma = false
f->chroma_h_shift= get_symbol(c, state, 0);
f->chroma_v_shift= get_symbol(c, state, 0);
- get_cabac(c, state); //transparency plane
- f->plane_count= 3;
-
- context_count=1;
- for(i=0; i<5; i++){
- context_count*= read_quant_table(c, f->quant_table[i], context_count);
+ get_rac(c, state); //transparency plane
+ f->plane_count= 2;
+ f->num_h_slices= 1 + get_symbol(c, state, 0);
+ f->num_v_slices= 1 + get_symbol(c, state, 0);
+ if(f->num_h_slices > (unsigned)f->width || f->num_v_slices > (unsigned)f->height){
+ av_log(f->avctx, AV_LOG_ERROR, "too many slices\n");
+ return -1;
}
- context_count= (context_count+1)/2;
-
- for(i=0; i<f->plane_count; i++){
- PlaneContext * const p= &f->plane[i];
- p->context_count= context_count;
+ f->quant_table_count= get_symbol(c, state, 0);
+ if(f->quant_table_count > (unsigned)MAX_QUANT_TABLES)
+ return -1;
+ for(i=0; i<f->quant_table_count; i++){
+ if((f->context_count[i]= read_quant_tables(c, f->quant_tables[i])) < 0){
+ av_log(f->avctx, AV_LOG_ERROR, "read_quant_table error\n");
+ return -1;
+ }
+ }
+
+ return 0;
+}
- if(f->ac){
- if(!p->state) p->state= av_malloc(CONTEXT_SIZE*p->context_count*sizeof(uint8_t));
+static int read_header(FFV1Context *f){
+ uint8_t state[CONTEXT_SIZE];
+ int i, j, context_count;
+ RangeCoder * const c= &f->slice_context[0]->c;
+
+ memset(state, 128, sizeof(state));
+
+ if(f->version < 2){
+ f->version= get_symbol(c, state, 0);
+ f->ac= f->avctx->coder_type= get_symbol(c, state, 0);
+ if(f->ac>1){
+ for(i=1; i<256; i++){
+ f->state_transition[i]= get_symbol(c, state, 1) + c->one_state[i];
+ }
+ }
+ f->colorspace= get_symbol(c, state, 0); //YUV cs type
+ if(f->version>0)
+ f->avctx->bits_per_raw_sample= get_symbol(c, state, 0);
+ get_rac(c, state); //no chroma = false
+ f->chroma_h_shift= get_symbol(c, state, 0);
+ f->chroma_v_shift= get_symbol(c, state, 0);
+ get_rac(c, state); //transparency plane
+ f->plane_count= 2;
+ }
+
+ if(f->colorspace==0){
+ if(f->avctx->bits_per_raw_sample<=8){
+ switch(16*f->chroma_h_shift + f->chroma_v_shift){
+ case 0x00: f->avctx->pix_fmt= PIX_FMT_YUV444P; break;
+ case 0x10: f->avctx->pix_fmt= PIX_FMT_YUV422P; break;
+ case 0x11: f->avctx->pix_fmt= PIX_FMT_YUV420P; break;
+ case 0x20: f->avctx->pix_fmt= PIX_FMT_YUV411P; break;
+ case 0x22: f->avctx->pix_fmt= PIX_FMT_YUV410P; break;
+ default:
+ av_log(f->avctx, AV_LOG_ERROR, "format not supported\n");
+ return -1;
+ }
}else{
- if(!p->vlc_state) p->vlc_state= av_malloc(p->context_count*sizeof(VlcState));
+ switch(16*f->chroma_h_shift + f->chroma_v_shift){
+ case 0x00: f->avctx->pix_fmt= PIX_FMT_YUV444P16; break;
+ case 0x10: f->avctx->pix_fmt= PIX_FMT_YUV422P16; break;
+ case 0x11: f->avctx->pix_fmt= PIX_FMT_YUV420P16; break;
+ default:
+ av_log(f->avctx, AV_LOG_ERROR, "format not supported\n");
+ return -1;
+ }
+ }
+ }else if(f->colorspace==1){
+ if(f->chroma_h_shift || f->chroma_v_shift){
+ av_log(f->avctx, AV_LOG_ERROR, "chroma subsampling not supported in this colorspace\n");
+ return -1;
}
+ f->avctx->pix_fmt= PIX_FMT_RGB32;
+ }else{
+ av_log(f->avctx, AV_LOG_ERROR, "colorspace not supported\n");
+ return -1;
+ }
+
+//printf("%d %d %d\n", f->chroma_h_shift, f->chroma_v_shift,f->avctx->pix_fmt);
+ if(f->version < 2){
+ context_count= read_quant_tables(c, f->quant_table);
+ if(context_count < 0){
+ av_log(f->avctx, AV_LOG_ERROR, "read_quant_table error\n");
+ return -1;
+ }
+ }else{
+ f->slice_count= get_symbol(c, state, 0);
+ if(f->slice_count > (unsigned)MAX_SLICES)
+ return -1;
}
-
+
+ for(j=0; j<f->slice_count; j++){
+ FFV1Context *fs= f->slice_context[j];
+ fs->ac= f->ac;
+
+ if(f->version >= 2){
+ fs->slice_x = get_symbol(c, state, 0) *f->width ;
+ fs->slice_y = get_symbol(c, state, 0) *f->height;
+ fs->slice_width =(get_symbol(c, state, 0)+1)*f->width + fs->slice_x;
+ fs->slice_height=(get_symbol(c, state, 0)+1)*f->height + fs->slice_y;
+
+ fs->slice_x /= f->num_h_slices;
+ fs->slice_y /= f->num_v_slices;
+ fs->slice_width = fs->slice_width /f->num_h_slices - fs->slice_x;
+ fs->slice_height = fs->slice_height/f->num_v_slices - fs->slice_y;
+ if((unsigned)fs->slice_width > f->width || (unsigned)fs->slice_height > f->height)
+ return -1;
+ if( (unsigned)fs->slice_x + (uint64_t)fs->slice_width > f->width
+ || (unsigned)fs->slice_y + (uint64_t)fs->slice_height > f->height)
+ return -1;
+ }
+
+ for(i=0; i<f->plane_count; i++){
+ PlaneContext * const p= &fs->plane[i];
+
+ if(f->version >= 2){
+ int idx=get_symbol(c, state, 0);
+ if(idx > (unsigned)f->quant_table_count){
+ av_log(f->avctx, AV_LOG_ERROR, "quant_table_index out of range\n");
+ return -1;
+ }
+ p->quant_table_index= idx;
+ memcpy(p->quant_table, f->quant_tables[idx], sizeof(p->quant_table));
+ context_count= f->context_count[idx];
+ }else{
+ memcpy(p->quant_table, f->quant_table, sizeof(p->quant_table));
+ }
+
+ if(p->context_count < context_count){
+ av_freep(&p->state);
+ av_freep(&p->vlc_state);
+ }
+ p->context_count= context_count;
+ }
+ }
+
return 0;
}
-static int decode_init(AVCodecContext *avctx)
+static av_cold int decode_init(AVCodecContext *avctx)
{
-// FFV1Context *s = avctx->priv_data;
+ FFV1Context *f = avctx->priv_data;
common_init(avctx);
-
-#if 0
- switch(s->bitstream_bpp){
- case 12:
- avctx->pix_fmt = PIX_FMT_YUV420P;
- break;
- case 16:
- avctx->pix_fmt = PIX_FMT_YUV422P;
- break;
- case 24:
- case 32:
- if(s->bgr32){
- avctx->pix_fmt = PIX_FMT_RGBA32;
- }else{
- avctx->pix_fmt = PIX_FMT_BGR24;
- }
- break;
- default:
- assert(0);
- }
-#endif
-
+
+ if(avctx->extradata && read_extra_header(f) < 0)
+ return -1;
+
+ if(init_slice_contexts(f) < 0)
+ return -1;
+
return 0;
}
-static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8_t *buf, int buf_size){
+static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt){
+ const uint8_t *buf = avpkt->data;
+ int buf_size = avpkt->size;
FFV1Context *f = avctx->priv_data;
- CABACContext * const c= &f->c;
- const int width= f->width;
- const int height= f->height;
+ RangeCoder * const c= &f->slice_context[0]->c;
AVFrame * const p= &f->picture;
- int bytes_read;
+ int bytes_read, i;
+ uint8_t keystate= 128;
+ const uint8_t *buf_p;
AVFrame *picture = data;
- *data_size = 0;
+ ff_init_range_decoder(c, buf, buf_size);
+ ff_build_rac_states(c, 0.05*(1LL<<32), 256-8);
- /* 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);
-
- p->reference= 0;
- if(avctx->get_buffer(avctx, p) < 0){
- fprintf(stderr, "get_buffer() failed\n");
- return -1;
- }
p->pict_type= FF_I_TYPE; //FIXME I vs. P
- if(get_cabac_bypass(c)){
+ if(get_rac(c, &keystate)){
p->key_frame= 1;
- read_header(f);
+ if(read_header(f) < 0)
+ return -1;
+ if(init_slice_state(f) < 0)
+ return -1;
+
clear_state(f);
}else{
p->key_frame= 0;
}
+ if(f->ac>1){
+ int i;
+ for(i=1; i<256; i++){
+ c->one_state[i]= f->state_transition[i];
+ c->zero_state[256-i]= 256-c->one_state[i];
+ }
+ }
+
+ p->reference= 0;
+ if(avctx->get_buffer(avctx, p) < 0){
+ av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+ return -1;
+ }
+
if(avctx->debug&FF_DEBUG_PICT_INFO)
- printf("keyframe:%d\n", p->key_frame);
-
+ av_log(avctx, AV_LOG_ERROR, "keyframe:%d coder:%d\n", p->key_frame, f->ac);
+
if(!f->ac){
- bytes_read = get_cabac_terminate(c);
- if(bytes_read ==0) printf("error at end of AC stream\n");
+ bytes_read = c->bytestream - c->bytestream_start - 1;
+ if(bytes_read ==0) av_log(avctx, AV_LOG_ERROR, "error at end of AC stream\n"); //FIXME
//printf("pos=%d\n", bytes_read);
- init_get_bits(&f->gb, buf + bytes_read, buf_size - bytes_read);
+ init_get_bits(&f->slice_context[0]->gb, buf + bytes_read, buf_size - bytes_read);
+ } else {
+ bytes_read = 0; /* avoid warning */
}
-
- if(1){
- const int chroma_width = -((-width )>>f->chroma_h_shift);
- const int chroma_height= -((-height)>>f->chroma_v_shift);
- decode_plane(f, p->data[0], width, height, p->linesize[0], 0);
-
- decode_plane(f, p->data[1], chroma_width, chroma_height, p->linesize[1], 1);
- decode_plane(f, p->data[2], chroma_width, chroma_height, p->linesize[2], 2);
+
+ buf_p= buf + buf_size;
+ for(i=f->slice_count-1; i>0; i--){
+ FFV1Context *fs= f->slice_context[i];
+ int v= AV_RB24(buf_p-3)+3;
+ if(buf_p - buf <= v){
+ av_log(avctx, AV_LOG_ERROR, "Slice pointer chain broken\n");
+ return -1;
+ }
+ buf_p -= v;
+ if(fs->ac){
+ ff_init_range_decoder(&fs->c, buf_p, v);
+ }else{
+ init_get_bits(&fs->gb, buf_p, v);
+ }
}
-
- emms_c();
+ avctx->execute(avctx, decode_slice, &f->slice_context[0], NULL, f->slice_count, sizeof(void*));
f->picture_number++;
*picture= *p;
-
+
avctx->release_buffer(avctx, p); //FIXME
*data_size = sizeof(AVFrame);
-
- if(f->ac){
- bytes_read= get_cabac_terminate(c);
- if(bytes_read ==0) printf("error at end of frame\n");
- }else{
- bytes_read+= (get_bits_count(&f->gb)+7)/8;
- }
-
- return bytes_read;
-}
-
-static int decode_end(AVCodecContext *avctx)
-{
- FFV1Context *s = avctx->priv_data;
- int i;
-
- if(avctx->get_buffer == avcodec_default_get_buffer){
- for(i=0; i<4; i++){
- av_freep(&s->picture.base[i]);
- s->picture.data[i]= NULL;
- }
- av_freep(&s->picture.opaque);
- }
- return 0;
+ return buf_size;
}
AVCodec ffv1_decoder = {
"ffv1",
- CODEC_TYPE_VIDEO,
+ AVMEDIA_TYPE_VIDEO,
CODEC_ID_FFV1,
sizeof(FFV1Context),
decode_init,
NULL,
- decode_end,
+ common_end,
decode_frame,
CODEC_CAP_DR1 /*| CODEC_CAP_DRAW_HORIZ_BAND*/,
- NULL
+ NULL,
+ .long_name= NULL_IF_CONFIG_SMALL("FFmpeg video codec #1"),
};
+#if CONFIG_FFV1_ENCODER
AVCodec ffv1_encoder = {
"ffv1",
- CODEC_TYPE_VIDEO,
+ AVMEDIA_TYPE_VIDEO,
CODEC_ID_FFV1,
sizeof(FFV1Context),
encode_init,
encode_frame,
- encode_end,
+ common_end,
+ .pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_YUV444P, PIX_FMT_YUV422P, PIX_FMT_YUV411P, PIX_FMT_YUV410P, PIX_FMT_RGB32, PIX_FMT_YUV420P16, PIX_FMT_YUV422P16, PIX_FMT_YUV444P16, PIX_FMT_NONE},
+ .long_name= NULL_IF_CONFIG_SMALL("FFmpeg video codec #1"),
};
+#endif