/**
* @file
- * H.264 / AVC / MPEG4 part10 cavlc bitstream decoding.
+ * H.264 / AVC / MPEG-4 part10 cavlc bitstream decoding.
* @author Michael Niedermayer <michaelni@gmx.at>
*/
#include "internal.h"
#include "avcodec.h"
-#include "h264.h"
-#include "h264data.h" // FIXME FIXME FIXME
+#include "h264dec.h"
#include "h264_mvpred.h"
+#include "h264data.h"
#include "golomb.h"
#include "mpegutils.h"
* Get the predicted number of non-zero coefficients.
* @param n block index
*/
-static inline int pred_non_zero_count(H264Context *h, H264SliceContext *sl, int n)
+static inline int pred_non_zero_count(const H264Context *h, H264SliceContext *sl, int n)
{
const int index8= scan8[n];
const int left = sl->non_zero_count_cache[index8 - 1];
if(i<64) i= (i+1)>>1;
- tprintf(h->avctx, "pred_nnz L%X T%X n%d s%d P%X\n", left, top, n, scan8[n], i&31);
+ ff_tlog(h->avctx, "pred_nnz L%X T%X n%d s%d P%X\n", left, top, n, scan8[n], i&31);
return i&31;
}
}
}
-/**
- *
- */
static inline int get_level_prefix(GetBitContext *gb){
unsigned int buf;
int log;
buf=GET_CACHE(re, gb);
log= 32 - av_log2(buf);
-#ifdef TRACE
- print_bin(buf>>(32-log), log);
- av_log(NULL, AV_LOG_DEBUG, "%5d %2d %3d lpr @%5d in %s get_level_prefix\n", buf>>(32-log), log, log-1, get_bits_count(gb), __FILE__);
-#endif
LAST_SKIP_BITS(re, gb, log);
CLOSE_READER(re, gb);
* @param max_coeff number of coefficients in the block
* @return <0 if an error occurred
*/
-static int decode_residual(H264Context *h, H264SliceContext *sl,
+static int decode_residual(const H264Context *h, H264SliceContext *sl,
GetBitContext *gb, int16_t *block, int n,
const uint8_t *scantable, const uint32_t *qmul,
int max_coeff)
}
trailing_ones= coeff_token&3;
- tprintf(h->avctx, "trailing:%d, total:%d\n", trailing_ones, total_coeff);
+ ff_tlog(h->avctx, "trailing:%d, total:%d\n", trailing_ones, total_coeff);
assert(total_coeff<=16);
i = show_bits(gb, 3);
return 0;
}
-static av_always_inline int decode_luma_residual(H264Context *h, H264SliceContext *sl, GetBitContext *gb, const uint8_t *scan, const uint8_t *scan8x8, int pixel_shift, int mb_type, int cbp, int p){
+static av_always_inline
+int decode_luma_residual(const H264Context *h, H264SliceContext *sl,
+ GetBitContext *gb, const uint8_t *scan,
+ const uint8_t *scan8x8, int pixel_shift,
+ int mb_type, int cbp, int p)
+{
int i4x4, i8x8;
int qscale = p == 0 ? sl->qscale : sl->chroma_qp[p - 1];
if(IS_INTRA16x16(mb_type)){
for(i4x4=0; i4x4<4; i4x4++){
const int index= i4x4 + 4*i8x8 + p*16;
if( decode_residual(h, sl, gb, sl->mb + (16*index << pixel_shift),
- index, scan + 1, h->dequant4_coeff[p][qscale], 15) < 0 ){
+ index, scan + 1, h->ps.pps->dequant4_coeff[p][qscale], 15) < 0 ){
return -1;
}
}
for(i4x4=0; i4x4<4; i4x4++){
const int index= i4x4 + 4*i8x8 + p*16;
if( decode_residual(h, sl, gb, buf, index, scan8x8+16*i4x4,
- h->dequant8_coeff[cqm][qscale], 16) < 0 )
+ h->ps.pps->dequant8_coeff[cqm][qscale], 16) < 0 )
return -1;
}
nnz = &sl->non_zero_count_cache[scan8[4 * i8x8 + p * 16]];
for(i4x4=0; i4x4<4; i4x4++){
const int index= i4x4 + 4*i8x8 + p*16;
if( decode_residual(h, sl, gb, sl->mb + (16*index << pixel_shift), index,
- scan, h->dequant4_coeff[cqm][qscale], 16) < 0 ){
+ scan, h->ps.pps->dequant4_coeff[cqm][qscale], 16) < 0 ){
return -1;
}
new_cbp |= sl->non_zero_count_cache[scan8[index]] << i8x8;
}
}
-int ff_h264_decode_mb_cavlc(H264Context *h, H264SliceContext *sl)
+int ff_h264_decode_mb_cavlc(const H264Context *h, H264SliceContext *sl)
{
int mb_xy;
int partition_count;
unsigned int mb_type, cbp;
- int dct8x8_allowed= h->pps.transform_8x8_mode;
- int decode_chroma = h->sps.chroma_format_idc == 1 || h->sps.chroma_format_idc == 2;
+ int dct8x8_allowed= h->ps.pps->transform_8x8_mode;
+ int decode_chroma = h->ps.sps->chroma_format_idc == 1 || h->ps.sps->chroma_format_idc == 2;
const int pixel_shift = h->pixel_shift;
mb_xy = sl->mb_xy = sl->mb_x + sl->mb_y*h->mb_stride;
- tprintf(h->avctx, "pic:%d mb:%d/%d\n", h->frame_num, sl->mb_x, sl->mb_y);
cbp = 0; /* avoid warning. FIXME: find a solution without slowing
down the code */
if (sl->slice_type_nos != AV_PICTURE_TYPE_I) {
if (sl->mb_skip_run--) {
if (FRAME_MBAFF(h) && (sl->mb_y & 1) == 0) {
if (sl->mb_skip_run == 0)
- h->mb_mbaff = sl->mb_field_decoding_flag = get_bits1(&sl->gb);
+ sl->mb_mbaff = sl->mb_field_decoding_flag = get_bits1(&sl->gb);
}
decode_mb_skip(h, sl);
return 0;
}
if (FRAME_MBAFF(h)) {
if ((sl->mb_y & 1) == 0)
- h->mb_mbaff = sl->mb_field_decoding_flag = get_bits1(&sl->gb);
+ sl->mb_mbaff = sl->mb_field_decoding_flag = get_bits1(&sl->gb);
}
sl->prev_mb_skipped = 0;
mb_type= get_ue_golomb(&sl->gb);
if (sl->slice_type_nos == AV_PICTURE_TYPE_B) {
if(mb_type < 23){
- partition_count= b_mb_type_info[mb_type].partition_count;
- mb_type= b_mb_type_info[mb_type].type;
+ partition_count = ff_h264_b_mb_type_info[mb_type].partition_count;
+ mb_type = ff_h264_b_mb_type_info[mb_type].type;
}else{
mb_type -= 23;
goto decode_intra_mb;
}
} else if (sl->slice_type_nos == AV_PICTURE_TYPE_P) {
if(mb_type < 5){
- partition_count= p_mb_type_info[mb_type].partition_count;
- mb_type= p_mb_type_info[mb_type].type;
+ partition_count = ff_h264_p_mb_type_info[mb_type].partition_count;
+ mb_type = ff_h264_p_mb_type_info[mb_type].type;
}else{
mb_type -= 5;
goto decode_intra_mb;
return -1;
}
partition_count=0;
- cbp= i_mb_type_info[mb_type].cbp;
- sl->intra16x16_pred_mode = i_mb_type_info[mb_type].pred_mode;
- mb_type= i_mb_type_info[mb_type].type;
+ cbp = ff_h264_i_mb_type_info[mb_type].cbp;
+ sl->intra16x16_pred_mode = ff_h264_i_mb_type_info[mb_type].pred_mode;
+ mb_type = ff_h264_i_mb_type_info[mb_type].type;
}
if (MB_FIELD(sl))
h->slice_table[mb_xy] = sl->slice_num;
if(IS_INTRA_PCM(mb_type)){
- const int mb_size = ff_h264_mb_sizes[h->sps.chroma_format_idc] *
- h->sps.bit_depth_luma;
+ const int mb_size = ff_h264_mb_sizes[h->ps.sps->chroma_format_idc] *
+ h->ps.sps->bit_depth_luma;
// We assume these blocks are very rare so we do not optimize it.
sl->intra_pcm_ptr = align_get_bits(&sl->gb);
sl->intra4x4_pred_mode_cache[scan8[i]] = mode;
}
write_back_intra_pred_mode(h, sl);
- if (ff_h264_check_intra4x4_pred_mode(h, sl) < 0)
+ if (ff_h264_check_intra4x4_pred_mode(sl->intra4x4_pred_mode_cache, h->avctx,
+ sl->top_samples_available, sl->left_samples_available) < 0)
return -1;
}else{
- sl->intra16x16_pred_mode = ff_h264_check_intra_pred_mode(h, sl, sl->intra16x16_pred_mode, 0);
+ sl->intra16x16_pred_mode = ff_h264_check_intra_pred_mode(h->avctx, sl->top_samples_available,
+ sl->left_samples_available, sl->intra16x16_pred_mode, 0);
if (sl->intra16x16_pred_mode < 0)
return -1;
}
if(decode_chroma){
- pred_mode= ff_h264_check_intra_pred_mode(h, sl, get_ue_golomb_31(&sl->gb), 1);
+ pred_mode= ff_h264_check_intra_pred_mode(h->avctx, sl->top_samples_available,
+ sl->left_samples_available, get_ue_golomb_31(&sl->gb), 1);
if(pred_mode < 0)
return -1;
sl->chroma_pred_mode = pred_mode;
av_log(h->avctx, AV_LOG_ERROR, "B sub_mb_type %u out of range at %d %d\n", sl->sub_mb_type[i], sl->mb_x, sl->mb_y);
return -1;
}
- sub_partition_count[i]= b_sub_mb_type_info[ sl->sub_mb_type[i] ].partition_count;
- sl->sub_mb_type[i]= b_sub_mb_type_info[ sl->sub_mb_type[i] ].type;
+ sub_partition_count[i] = ff_h264_b_sub_mb_type_info[sl->sub_mb_type[i]].partition_count;
+ sl->sub_mb_type[i] = ff_h264_b_sub_mb_type_info[sl->sub_mb_type[i]].type;
}
if( IS_DIRECT(sl->sub_mb_type[0]|sl->sub_mb_type[1]|sl->sub_mb_type[2]|sl->sub_mb_type[3])) {
ff_h264_pred_direct_motion(h, sl, &mb_type);
av_log(h->avctx, AV_LOG_ERROR, "P sub_mb_type %u out of range at %d %d\n", sl->sub_mb_type[i], sl->mb_x, sl->mb_y);
return -1;
}
- sub_partition_count[i]= p_sub_mb_type_info[ sl->sub_mb_type[i] ].partition_count;
- sl->sub_mb_type[i]= p_sub_mb_type_info[ sl->sub_mb_type[i] ].type;
+ sub_partition_count[i] = ff_h264_p_sub_mb_type_info[sl->sub_mb_type[i]].partition_count;
+ sl->sub_mb_type[i] = ff_h264_p_sub_mb_type_info[sl->sub_mb_type[i]].type;
}
}
for (list = 0; list < sl->list_count; list++) {
- int ref_count = IS_REF0(mb_type) ? 1 : sl->ref_count[list] << MB_MBAFF(h);
+ int ref_count = IS_REF0(mb_type) ? 1 : sl->ref_count[list] << MB_MBAFF(sl);
for(i=0; i<4; i++){
if(IS_DIRECT(sl->sub_mb_type[i])) continue;
if(IS_DIR(sl->sub_mb_type[i], 0, list)){
pred_motion(h, sl, index, block_width, list, sl->ref_cache[list][ scan8[index] ], &mx, &my);
mx += get_se_golomb(&sl->gb);
my += get_se_golomb(&sl->gb);
- tprintf(h->avctx, "final mv:%d %d\n", mx, my);
+ ff_tlog(h->avctx, "final mv:%d %d\n", mx, my);
if(IS_SUB_8X8(sub_mb_type)){
mv_cache[ 1 ][0]=
}
}else if(IS_DIRECT(mb_type)){
ff_h264_pred_direct_motion(h, sl, &mb_type);
- dct8x8_allowed &= h->sps.direct_8x8_inference_flag;
+ dct8x8_allowed &= h->ps.sps->direct_8x8_inference_flag;
}else{
int list, mx, my, i;
//FIXME we should set ref_idx_l? to 0 if we use that later ...
for (list = 0; list < sl->list_count; list++) {
unsigned int val;
if(IS_DIR(mb_type, 0, list)){
- int rc = sl->ref_count[list] << MB_MBAFF(h);
+ int rc = sl->ref_count[list] << MB_MBAFF(sl);
if (rc == 1) {
val= 0;
} else if (rc == 2) {
pred_motion(h, sl, 0, 4, list, sl->ref_cache[list][ scan8[0] ], &mx, &my);
mx += get_se_golomb(&sl->gb);
my += get_se_golomb(&sl->gb);
- tprintf(h->avctx, "final mv:%d %d\n", mx, my);
+ ff_tlog(h->avctx, "final mv:%d %d\n", mx, my);
fill_rectangle(sl->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);
}
for(i=0; i<2; i++){
unsigned int val;
if(IS_DIR(mb_type, i, list)){
- int rc = sl->ref_count[list] << MB_MBAFF(h);
+ int rc = sl->ref_count[list] << MB_MBAFF(sl);
if (rc == 1) {
val= 0;
} else if (rc == 2) {
pred_16x8_motion(h, sl, 8*i, list, sl->ref_cache[list][scan8[0] + 16*i], &mx, &my);
mx += get_se_golomb(&sl->gb);
my += get_se_golomb(&sl->gb);
- tprintf(h->avctx, "final mv:%d %d\n", mx, my);
+ ff_tlog(h->avctx, "final mv:%d %d\n", mx, my);
val= pack16to32(mx,my);
}else
for(i=0; i<2; i++){
unsigned int val;
if(IS_DIR(mb_type, i, list)){ //FIXME optimize
- int rc = sl->ref_count[list] << MB_MBAFF(h);
+ int rc = sl->ref_count[list] << MB_MBAFF(sl);
if (rc == 1) {
val= 0;
} else if (rc == 2) {
pred_8x16_motion(h, sl, i*4, list, sl->ref_cache[list][ scan8[0] + 2*i ], &mx, &my);
mx += get_se_golomb(&sl->gb);
my += get_se_golomb(&sl->gb);
- tprintf(h->avctx, "final mv:%d %d\n", mx, my);
+ ff_tlog(h->avctx, "final mv:%d %d\n", mx, my);
val= pack16to32(mx,my);
}else
av_log(h->avctx, AV_LOG_ERROR, "cbp too large (%u) at %d %d\n", cbp, sl->mb_x, sl->mb_y);
return -1;
}
- if(IS_INTRA4x4(mb_type)) cbp= golomb_to_intra4x4_cbp[cbp];
- else cbp= golomb_to_inter_cbp [cbp];
+ if (IS_INTRA4x4(mb_type))
+ cbp = ff_h264_golomb_to_intra4x4_cbp[cbp];
+ else
+ cbp = ff_h264_golomb_to_inter_cbp[cbp];
}else{
if(cbp > 15){
av_log(h->avctx, AV_LOG_ERROR, "cbp too large (%u) at %d %d\n", cbp, sl->mb_x, sl->mb_y);
int ret;
GetBitContext *gb = &sl->gb;
const uint8_t *scan, *scan8x8;
- const int max_qp = 51 + 6*(h->sps.bit_depth_luma-8);
+ const int max_qp = 51 + 6 * (h->ps.sps->bit_depth_luma - 8);
if(IS_INTERLACED(mb_type)){
scan8x8 = sl->qscale ? h->field_scan8x8_cavlc : h->field_scan8x8_cavlc_q0;
}
}
- sl->chroma_qp[0] = get_chroma_qp(h, 0, sl->qscale);
- sl->chroma_qp[1] = get_chroma_qp(h, 1, sl->qscale);
+ sl->chroma_qp[0] = get_chroma_qp(h->ps.pps, 0, sl->qscale);
+ sl->chroma_qp[1] = get_chroma_qp(h->ps.pps, 1, sl->qscale);
if ((ret = decode_luma_residual(h, sl, gb, scan, scan8x8, pixel_shift, mb_type, cbp, 0)) < 0 ) {
return -1;
if(cbp&0x30){
for(chroma_idx=0; chroma_idx<2; chroma_idx++)
if (decode_residual(h, sl, gb, sl->mb + ((256 + 16*16*chroma_idx) << pixel_shift),
- CHROMA_DC_BLOCK_INDEX+chroma_idx, chroma422_dc_scan,
+ CHROMA_DC_BLOCK_INDEX + chroma_idx, ff_h264_chroma422_dc_scan,
NULL, 8) < 0) {
return -1;
}
if(cbp&0x20){
for(chroma_idx=0; chroma_idx<2; chroma_idx++){
- const uint32_t *qmul = h->dequant4_coeff[chroma_idx+1+(IS_INTRA( mb_type ) ? 0:3)][sl->chroma_qp[chroma_idx]];
+ const uint32_t *qmul = h->ps.pps->dequant4_coeff[chroma_idx+1+(IS_INTRA( mb_type ) ? 0:3)][sl->chroma_qp[chroma_idx]];
int16_t *mb = sl->mb + (16*(16 + 16*chroma_idx) << pixel_shift);
for (i8x8 = 0; i8x8 < 2; i8x8++) {
for (i4x4 = 0; i4x4 < 4; i4x4++) {
} else /* yuv420 */ {
if(cbp&0x30){
for(chroma_idx=0; chroma_idx<2; chroma_idx++)
- if( decode_residual(h, sl, gb, sl->mb + ((256 + 16*16*chroma_idx) << pixel_shift), CHROMA_DC_BLOCK_INDEX+chroma_idx, chroma_dc_scan, NULL, 4) < 0){
+ if (decode_residual(h, sl, gb, sl->mb + ((256 + 16 * 16 * chroma_idx) << pixel_shift),
+ CHROMA_DC_BLOCK_INDEX + chroma_idx, ff_h264_chroma_dc_scan, NULL, 4) < 0) {
return -1;
}
}
if(cbp&0x20){
for(chroma_idx=0; chroma_idx<2; chroma_idx++){
- const uint32_t *qmul = h->dequant4_coeff[chroma_idx+1+(IS_INTRA( mb_type ) ? 0:3)][sl->chroma_qp[chroma_idx]];
+ const uint32_t *qmul = h->ps.pps->dequant4_coeff[chroma_idx+1+(IS_INTRA( mb_type ) ? 0:3)][sl->chroma_qp[chroma_idx]];
for(i4x4=0; i4x4<4; i4x4++){
const int index= 16 + 16*chroma_idx + i4x4;
if( decode_residual(h, sl, gb, sl->mb + (16*index << pixel_shift), index, scan + 1, qmul, 15) < 0){
projects / ffmpeg / blobdiff