#include "cabac.h"
#include "cabac_functions.h"
#include "internal.h"
-#include "dsputil.h"
#include "avcodec.h"
#include "h264.h"
#include "h264data.h"
};
void ff_h264_init_cabac_states(H264Context *h) {
- MpegEncContext * const s = &h->s;
int i;
const int8_t (*tab)[2];
- const int slice_qp = av_clip(s->qscale - 6*(h->sps.bit_depth_luma-8), 0, 51);
+ const int slice_qp = av_clip(h->qscale - 6*(h->sps.bit_depth_luma-8), 0, 51);
if( h->slice_type_nos == AV_PICTURE_TYPE_I ) tab = cabac_context_init_I;
else tab = cabac_context_init_PB[h->cabac_init_idc];
}
static int decode_cabac_field_decoding_flag(H264Context *h) {
- MpegEncContext * const s = &h->s;
- const long mbb_xy = h->mb_xy - 2L*s->mb_stride;
+ const long mbb_xy = h->mb_xy - 2L*h->mb_stride;
unsigned long ctx = 0;
- ctx += h->mb_field_decoding_flag & !!s->mb_x; //for FMO:(s->current_picture.f.mb_type[mba_xy] >> 7) & (h->slice_table[mba_xy] == h->slice_num);
- ctx += (s->current_picture.f.mb_type[mbb_xy] >> 7) & (h->slice_table[mbb_xy] == h->slice_num);
+ ctx += h->mb_field_decoding_flag & !!h->mb_x; //for FMO:(s->current_picture.mb_type[mba_xy] >> 7) & (h->slice_table[mba_xy] == h->slice_num);
+ ctx += (h->cur_pic.mb_type[mbb_xy] >> 7) & (h->slice_table[mbb_xy] == h->slice_num);
return get_cabac_noinline( &h->cabac, &(h->cabac_state+70)[ctx] );
}
}
static int decode_cabac_mb_skip( H264Context *h, int mb_x, int mb_y ) {
- MpegEncContext * const s = &h->s;
int mba_xy, mbb_xy;
int ctx = 0;
if(FRAME_MBAFF){ //FIXME merge with the stuff in fill_caches?
- int mb_xy = mb_x + (mb_y&~1)*s->mb_stride;
+ int mb_xy = mb_x + (mb_y&~1)*h->mb_stride;
mba_xy = mb_xy - 1;
if( (mb_y&1)
&& h->slice_table[mba_xy] == h->slice_num
- && MB_FIELD == !!IS_INTERLACED( s->current_picture.f.mb_type[mba_xy] ) )
- mba_xy += s->mb_stride;
+ && MB_FIELD == !!IS_INTERLACED( h->cur_pic.mb_type[mba_xy] ) )
+ mba_xy += h->mb_stride;
if( MB_FIELD ){
- mbb_xy = mb_xy - s->mb_stride;
+ mbb_xy = mb_xy - h->mb_stride;
if( !(mb_y&1)
&& h->slice_table[mbb_xy] == h->slice_num
- && IS_INTERLACED( s->current_picture.f.mb_type[mbb_xy] ) )
- mbb_xy -= s->mb_stride;
+ && IS_INTERLACED( h->cur_pic.mb_type[mbb_xy] ) )
+ mbb_xy -= h->mb_stride;
}else
- mbb_xy = mb_x + (mb_y-1)*s->mb_stride;
+ mbb_xy = mb_x + (mb_y-1)*h->mb_stride;
}else{
int mb_xy = h->mb_xy;
mba_xy = mb_xy - 1;
- mbb_xy = mb_xy - (s->mb_stride << FIELD_PICTURE);
+ mbb_xy = mb_xy - (h->mb_stride << FIELD_PICTURE);
}
- if( h->slice_table[mba_xy] == h->slice_num && !IS_SKIP( s->current_picture.f.mb_type[mba_xy] ))
+ if( h->slice_table[mba_xy] == h->slice_num && !IS_SKIP(h->cur_pic.mb_type[mba_xy] ))
ctx++;
- if( h->slice_table[mbb_xy] == h->slice_num && !IS_SKIP( s->current_picture.f.mb_type[mbb_xy] ))
+ if( h->slice_table[mbb_xy] == h->slice_num && !IS_SKIP(h->cur_pic.mb_type[mbb_xy] ))
ctx++;
if( h->slice_type_nos == AV_PICTURE_TYPE_B )
mvd += 1 << k;
k++;
if(k>24){
- av_log(h->s.avctx, AV_LOG_ERROR, "overflow in decode_cabac_mb_mvd\n");
+ av_log(h->avctx, AV_LOG_ERROR, "overflow in decode_cabac_mb_mvd\n");
return INT_MIN;
}
}
}
static av_always_inline void
-decode_cabac_residual_internal(H264Context *h, DCTELEM *block,
+decode_cabac_residual_internal(H264Context *h, int16_t *block,
int cat, int n, const uint8_t *scantable,
const uint32_t *qmul, int max_coeff,
int is_dc, int chroma422)
}
-static void decode_cabac_residual_dc_internal( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, int max_coeff ) {
+static void decode_cabac_residual_dc_internal(H264Context *h, int16_t *block,
+ int cat, int n,
+ const uint8_t *scantable,
+ int max_coeff)
+{
decode_cabac_residual_internal(h, block, cat, n, scantable, NULL, max_coeff, 1, 0);
}
-static void decode_cabac_residual_dc_internal_422(H264Context *h, DCTELEM *block,
+static void decode_cabac_residual_dc_internal_422(H264Context *h, int16_t *block,
int cat, int n, const uint8_t *scantable,
int max_coeff)
{
decode_cabac_residual_internal(h, block, cat, n, scantable, NULL, max_coeff, 1, 1);
}
-static void decode_cabac_residual_nondc_internal( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff ) {
+static void decode_cabac_residual_nondc_internal(H264Context *h, int16_t *block,
+ int cat, int n,
+ const uint8_t *scantable,
+ const uint32_t *qmul,
+ int max_coeff)
+{
decode_cabac_residual_internal(h, block, cat, n, scantable, qmul, max_coeff, 0, 0);
}
* because it allows improved constant propagation into get_cabac_cbf_ctx,
* as well as because most blocks have zero CBFs. */
-static av_always_inline void decode_cabac_residual_dc( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, int max_coeff ) {
+static av_always_inline void decode_cabac_residual_dc(H264Context *h,
+ int16_t *block,
+ int cat, int n,
+ const uint8_t *scantable,
+ int max_coeff)
+{
/* read coded block flag */
if( get_cabac( &h->cabac, &h->cabac_state[get_cabac_cbf_ctx( h, cat, n, max_coeff, 1 ) ] ) == 0 ) {
h->non_zero_count_cache[scan8[n]] = 0;
}
static av_always_inline void
-decode_cabac_residual_dc_422(H264Context *h, DCTELEM *block,
+decode_cabac_residual_dc_422(H264Context *h, int16_t *block,
int cat, int n, const uint8_t *scantable,
int max_coeff)
{
decode_cabac_residual_dc_internal_422(h, block, cat, n, scantable, max_coeff);
}
-static av_always_inline void decode_cabac_residual_nondc( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff ) {
+static av_always_inline void decode_cabac_residual_nondc(H264Context *h,
+ int16_t *block,
+ int cat, int n,
+ const uint8_t *scantable,
+ const uint32_t *qmul,
+ int max_coeff)
+{
/* read coded block flag */
if( (cat != 5 || CHROMA444) && get_cabac( &h->cabac, &h->cabac_state[get_cabac_cbf_ctx( h, cat, n, max_coeff, 0 ) ] ) == 0 ) {
if( max_coeff == 64 ) {
static const uint8_t ctx_cat[4][3] = {{0,6,10},{1,7,11},{2,8,12},{5,9,13}};
const uint32_t *qmul;
int i8x8, i4x4;
- MpegEncContext * const s = &h->s;
- int qscale = p == 0 ? s->qscale : h->chroma_qp[p-1];
+ int qscale = p == 0 ? h->qscale : h->chroma_qp[p-1];
if( IS_INTRA16x16( mb_type ) ) {
AV_ZERO128(h->mb_luma_dc[p]+0);
AV_ZERO128(h->mb_luma_dc[p]+8);
* @return 0 if OK, ER_AC_ERROR / ER_DC_ERROR / ER_MV_ERROR if an error is noticed
*/
int ff_h264_decode_mb_cabac(H264Context *h) {
- MpegEncContext * const s = &h->s;
int mb_xy;
int mb_type, partition_count, cbp = 0;
int dct8x8_allowed= h->pps.transform_8x8_mode;
int decode_chroma = h->sps.chroma_format_idc == 1 || h->sps.chroma_format_idc == 2;
const int pixel_shift = h->pixel_shift;
- mb_xy = h->mb_xy = s->mb_x + s->mb_y*s->mb_stride;
+ mb_xy = h->mb_xy = h->mb_x + h->mb_y*h->mb_stride;
- tprintf(s->avctx, "pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y);
+ tprintf(h->avctx, "pic:%d mb:%d/%d\n", h->frame_num, h->mb_x, h->mb_y);
if( h->slice_type_nos != AV_PICTURE_TYPE_I ) {
int skip;
/* a skipped mb needs the aff flag from the following mb */
- if( FRAME_MBAFF && (s->mb_y&1)==1 && h->prev_mb_skipped )
+ if( FRAME_MBAFF && (h->mb_y&1)==1 && h->prev_mb_skipped )
skip = h->next_mb_skipped;
else
- skip = decode_cabac_mb_skip( h, s->mb_x, s->mb_y );
+ skip = decode_cabac_mb_skip( h, h->mb_x, h->mb_y );
/* read skip flags */
if( skip ) {
- if( FRAME_MBAFF && (s->mb_y&1)==0 ){
- s->current_picture.f.mb_type[mb_xy] = MB_TYPE_SKIP;
- h->next_mb_skipped = decode_cabac_mb_skip( h, s->mb_x, s->mb_y+1 );
+ if( FRAME_MBAFF && (h->mb_y&1)==0 ){
+ h->cur_pic.mb_type[mb_xy] = MB_TYPE_SKIP;
+ h->next_mb_skipped = decode_cabac_mb_skip( h, h->mb_x, h->mb_y+1 );
if(!h->next_mb_skipped)
h->mb_mbaff = h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
}
}
}
if(FRAME_MBAFF){
- if( (s->mb_y&1) == 0 )
+ if( (h->mb_y&1) == 0 )
h->mb_mbaff =
h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
}
// The pixels are stored in the same order as levels in h->mb array.
if ((int) (h->cabac.bytestream_end - ptr) < mb_size)
return -1;
- memcpy(h->mb, ptr, mb_size); ptr+=mb_size;
+ h->intra_pcm_ptr = ptr;
+ ptr += mb_size;
ff_init_cabac_decoder(&h->cabac, ptr, h->cabac.bytestream_end - ptr);
h->cbp_table[mb_xy] = 0xf7ef;
h->chroma_pred_mode_table[mb_xy] = 0;
// In deblocking, the quantizer is 0
- s->current_picture.f.qscale_table[mb_xy] = 0;
+ h->cur_pic.qscale_table[mb_xy] = 0;
// All coeffs are present
memset(h->non_zero_count[mb_xy], 16, 48);
- s->current_picture.f.mb_type[mb_xy] = mb_type;
+ h->cur_pic.mb_type[mb_xy] = mb_type;
h->last_qscale_diff = 0;
return 0;
}
- if(MB_MBAFF){
- h->ref_count[0] <<= 1;
- h->ref_count[1] <<= 1;
- }
-
fill_decode_caches(h, mb_type);
if( IS_INTRA( mb_type ) ) {
int pred = pred_intra_mode( h, i );
h->intra4x4_pred_mode_cache[ scan8[i] ] = decode_cabac_mb_intra4x4_pred_mode( h, pred );
- //av_log( s->avctx, AV_LOG_ERROR, "i4x4 pred=%d mode=%d\n", pred, h->intra4x4_pred_mode_cache[ scan8[i] ] );
+ av_dlog(h->avctx, "i4x4 pred=%d mode=%d\n", pred,
+ h->intra4x4_pred_mode_cache[scan8[i]]);
}
}
write_back_intra_pred_mode(h);
for( i = 0; i < 4; i++ ) {
if(IS_DIRECT(h->sub_mb_type[i])) continue;
if(IS_DIR(h->sub_mb_type[i], 0, list)){
- if( h->ref_count[list] > 1 ){
+ int rc = h->ref_count[list] << MB_MBAFF;
+ if (rc > 1) {
ref[list][i] = decode_cabac_mb_ref( h, list, 4*i );
- if(ref[list][i] >= (unsigned)h->ref_count[list]){
- av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref[list][i], h->ref_count[list]);
+ if (ref[list][i] >= (unsigned) rc) {
+ av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref[list][i], rc);
return -1;
}
}else
uint8_t (* mvd_cache)[2]= &h->mvd_cache[list][ scan8[index] ];
pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mx, &my);
DECODE_CABAC_MB_MVD( h, list, index)
- tprintf(s->avctx, "final mv:%d %d\n", mx, my);
+ tprintf(h->avctx, "final mv:%d %d\n", mx, my);
if(IS_SUB_8X8(sub_mb_type)){
mv_cache[ 1 ][0]=
if(IS_16X16(mb_type)){
for(list=0; list<h->list_count; list++){
if(IS_DIR(mb_type, 0, list)){
- int ref;
- if(h->ref_count[list] > 1){
+ int ref, rc = h->ref_count[list] << MB_MBAFF;
+ if (rc > 1) {
ref= decode_cabac_mb_ref(h, list, 0);
- if(ref >= (unsigned)h->ref_count[list]){
- av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, h->ref_count[list]);
+ if (ref >= (unsigned) rc) {
+ av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc);
return -1;
}
}else
int mx,my,mpx,mpy;
pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mx, &my);
DECODE_CABAC_MB_MVD( h, list, 0)
- tprintf(s->avctx, "final mv:%d %d\n", mx, my);
+ tprintf(h->avctx, "final mv:%d %d\n", mx, my);
fill_rectangle(h->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack8to16(mpx,mpy), 2);
fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);
for(list=0; list<h->list_count; list++){
for(i=0; i<2; i++){
if(IS_DIR(mb_type, i, list)){
- int ref;
- if(h->ref_count[list] > 1){
+ int ref, rc = h->ref_count[list] << MB_MBAFF;
+ if (rc > 1) {
ref= decode_cabac_mb_ref( h, list, 8*i );
- if(ref >= (unsigned)h->ref_count[list]){
- av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, h->ref_count[list]);
+ if (ref >= (unsigned) rc) {
+ av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc);
return -1;
}
}else
int mx,my,mpx,mpy;
pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mx, &my);
DECODE_CABAC_MB_MVD( h, list, 8*i)
- tprintf(s->avctx, "final mv:%d %d\n", mx, my);
+ tprintf(h->avctx, "final mv:%d %d\n", mx, my);
fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack8to16(mpx,mpy), 2);
fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);
for(list=0; list<h->list_count; list++){
for(i=0; i<2; i++){
if(IS_DIR(mb_type, i, list)){ //FIXME optimize
- int ref;
- if(h->ref_count[list] > 1){
+ int ref, rc = h->ref_count[list] << MB_MBAFF;
+ if (rc > 1) {
ref= decode_cabac_mb_ref( h, list, 4*i );
- if(ref >= (unsigned)h->ref_count[list]){
- av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, h->ref_count[list]);
+ if (ref >= (unsigned) rc) {
+ av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc);
return -1;
}
}else
pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mx, &my);
DECODE_CABAC_MB_MVD( h, list, 4*i)
- tprintf(s->avctx, "final mv:%d %d\n", mx, my);
+ tprintf(h->avctx, "final mv:%d %d\n", mx, my);
fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack8to16(mpx,mpy), 2);
fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);
}else{
AV_WN32A(&nnz_cache[4+8*10], top_empty);
}
}
- s->current_picture.f.mb_type[mb_xy] = mb_type;
+ h->cur_pic.mb_type[mb_xy] = mb_type;
if( cbp || IS_INTRA16x16( mb_type ) ) {
const uint8_t *scan, *scan8x8;
const uint32_t *qmul;
if(IS_INTERLACED(mb_type)){
- scan8x8= s->qscale ? h->field_scan8x8 : h->field_scan8x8_q0;
- scan= s->qscale ? h->field_scan : h->field_scan_q0;
+ scan8x8= h->qscale ? h->field_scan8x8 : h->field_scan8x8_q0;
+ scan= h->qscale ? h->field_scan : h->field_scan_q0;
}else{
- scan8x8= s->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;
- scan= s->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
+ scan8x8= h->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;
+ scan= h->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
}
// decode_cabac_mb_dqp
ctx= 3;
val++;
if(val > 2*max_qp){ //prevent infinite loop
- av_log(h->s.avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\n", s->mb_x, s->mb_y);
+ av_log(h->avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\n", h->mb_x, h->mb_y);
return -1;
}
}
else
val= -((val + 1)>>1);
h->last_qscale_diff = val;
- s->qscale += val;
- if(((unsigned)s->qscale) > max_qp){
- if(s->qscale<0) s->qscale+= max_qp+1;
- else s->qscale-= max_qp+1;
+ h->qscale += val;
+ if(((unsigned)h->qscale) > max_qp){
+ if(h->qscale<0) h->qscale+= max_qp+1;
+ else h->qscale-= max_qp+1;
}
- h->chroma_qp[0] = get_chroma_qp(h, 0, s->qscale);
- h->chroma_qp[1] = get_chroma_qp(h, 1, s->qscale);
+ h->chroma_qp[0] = get_chroma_qp(h, 0, h->qscale);
+ h->chroma_qp[1] = get_chroma_qp(h, 1, h->qscale);
}else
h->last_qscale_diff=0;
if( cbp&0x20 ) {
int c, i, i8x8;
for( c = 0; c < 2; c++ ) {
- DCTELEM *mb = h->mb + (16*(16 + 16*c) << pixel_shift);
+ int16_t *mb = h->mb + (16*(16 + 16*c) << pixel_shift);
qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]];
for (i8x8 = 0; i8x8 < 2; i8x8++) {
for (i = 0; i < 4; i++) {
h->last_qscale_diff = 0;
}
- s->current_picture.f.qscale_table[mb_xy] = s->qscale;
+ h->cur_pic.qscale_table[mb_xy] = h->qscale;
write_back_non_zero_count(h);
- if(MB_MBAFF){
- h->ref_count[0] >>= 1;
- h->ref_count[1] >>= 1;
- }
-
return 0;
}
projects / ffmpeg / blobdiff