*/
/**
- * @file libavcodec/h264.c
+ * @file
* H.264 / AVC / MPEG4 part10 codec.
* @author Michael Niedermayer <michaelni@gmx.at>
*/
+#include "libavcore/imgutils.h"
#include "internal.h"
#include "dsputil.h"
#include "avcodec.h"
#include "mathops.h"
#include "rectangle.h"
#include "vdpau_internal.h"
+#include "libavutil/avassert.h"
#include "cabac.h"
0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8,
};
+static const enum PixelFormat hwaccel_pixfmt_list_h264_jpeg_420[] = {
+ PIX_FMT_DXVA2_VLD,
+ PIX_FMT_VAAPI_VLD,
+ PIX_FMT_YUVJ420P,
+ PIX_FMT_NONE
+};
+
void ff_h264_write_back_intra_pred_mode(H264Context *h){
int8_t *mode= h->intra4x4_pred_mode + h->mb2br_xy[h->mb_xy];
memset(h->pps.scaling_matrix8, 16, 2*64*sizeof(uint8_t));
}
-av_cold int ff_h264_decode_init(AVCodecContext *avctx){
- H264Context *h= avctx->priv_data;
- MpegEncContext * const s = &h->s;
-
- MPV_decode_defaults(s);
-
- s->avctx = avctx;
- common_init(h);
-
- s->out_format = FMT_H264;
- s->workaround_bugs= avctx->workaround_bugs;
-
- // set defaults
-// s->decode_mb= ff_h263_decode_mb;
- s->quarter_sample = 1;
- if(!avctx->has_b_frames)
- s->low_delay= 1;
-
- avctx->chroma_sample_location = AVCHROMA_LOC_LEFT;
-
- ff_h264_decode_init_vlc();
-
- h->thread_context[0] = h;
- h->outputed_poc = INT_MIN;
- h->prev_poc_msb= 1<<16;
- h->x264_build = -1;
- ff_h264_reset_sei(h);
- if(avctx->codec_id == CODEC_ID_H264){
- if(avctx->ticks_per_frame == 1){
- s->avctx->time_base.den *=2;
- }
- avctx->ticks_per_frame = 2;
- }
+int ff_h264_decode_extradata(H264Context *h)
+{
+ AVCodecContext *avctx = h->s.avctx;
- if(avctx->extradata_size > 0 && avctx->extradata && *(char *)avctx->extradata == 1){
+ if(*(char *)avctx->extradata == 1){
int i, cnt, nalsize;
unsigned char *p = avctx->extradata;
h->nal_length_size = ((*(((char*)(avctx->extradata))+4))&0x03)+1;
} else {
h->is_avc = 0;
- if(decode_nal_units(h, s->avctx->extradata, s->avctx->extradata_size) < 0)
+ if(decode_nal_units(h, avctx->extradata, avctx->extradata_size) < 0)
return -1;
}
+ return 0;
+}
+
+av_cold int ff_h264_decode_init(AVCodecContext *avctx){
+ H264Context *h= avctx->priv_data;
+ MpegEncContext * const s = &h->s;
+
+ MPV_decode_defaults(s);
+
+ s->avctx = avctx;
+ common_init(h);
+
+ s->out_format = FMT_H264;
+ s->workaround_bugs= avctx->workaround_bugs;
+
+ // set defaults
+// s->decode_mb= ff_h263_decode_mb;
+ s->quarter_sample = 1;
+ if(!avctx->has_b_frames)
+ s->low_delay= 1;
+
+ avctx->chroma_sample_location = AVCHROMA_LOC_LEFT;
+
+ ff_h264_decode_init_vlc();
+
+ h->thread_context[0] = h;
+ h->outputed_poc = INT_MIN;
+ h->prev_poc_msb= 1<<16;
+ h->x264_build = -1;
+ ff_h264_reset_sei(h);
+ if(avctx->codec_id == CODEC_ID_H264){
+ if(avctx->ticks_per_frame == 1){
+ s->avctx->time_base.den *=2;
+ }
+ avctx->ticks_per_frame = 2;
+ }
+
+ if(avctx->extradata_size > 0 && avctx->extradata &&
+ ff_h264_decode_extradata(h))
+ return -1;
+
if(h->sps.bitstream_restriction_flag && s->avctx->has_b_frames < h->sps.num_reorder_frames){
s->avctx->has_b_frames = h->sps.num_reorder_frames;
s->low_delay = 0;
/* can't be in alloc_tables because linesize isn't known there.
* FIXME: redo bipred weight to not require extra buffer? */
for(i = 0; i < s->avctx->thread_count; i++)
- if(!h->thread_context[i]->s.obmc_scratchpad)
+ if(h->thread_context[i] && !h->thread_context[i]->s.obmc_scratchpad)
h->thread_context[i]->s.obmc_scratchpad = av_malloc(16*2*s->linesize + 8*2*s->uvlinesize);
/* some macroblocks can be accessed before they're available in case of lost slices, mbaff or threading*/
chroma_dc_dequant_idct_c(h->mb + 16*16, h->chroma_qp[0], h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp[0]][0]);
chroma_dc_dequant_idct_c(h->mb + 16*16+4*16, h->chroma_qp[1], h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp[1]][0]);
if(is_h264){
- idct_add = h->h264dsp.h264_idct_add;
- idct_dc_add = h->h264dsp.h264_idct_dc_add;
- for(i=16; i<16+8; i++){
- if(h->non_zero_count_cache[ scan8[i] ])
- idct_add (dest[(i&4)>>2] + block_offset[i], h->mb + i*16, uvlinesize);
- else if(h->mb[i*16])
- idct_dc_add(dest[(i&4)>>2] + block_offset[i], h->mb + i*16, uvlinesize);
- }
+ h->h264dsp.h264_idct_add8(dest, block_offset,
+ h->mb, uvlinesize,
+ h->non_zero_count_cache);
}else{
for(i=16; i<16+8; i++){
if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
/**
* Initialize implicit_weight table.
- * @param field, 0/1 initialize the weight for interlaced MBAFF
+ * @param field 0/1 initialize the weight for interlaced MBAFF
* -1 initializes the rest
*/
static void implicit_weight_table(H264Context *h, int field){
}
/**
- * Replicates H264 "master" context to thread contexts.
+ * Replicate H264 "master" context to thread contexts.
*/
static void clone_slice(H264Context *dst, H264Context *src)
{
}
h->sps = *h0->sps_buffers[h->pps.sps_id];
+ s->avctx->profile = h->sps.profile_idc;
+ s->avctx->level = h->sps.level_idc;
+ s->avctx->refs = h->sps.ref_frame_count;
+
if(h == h0 && h->dequant_coeff_pps != pps_id){
h->dequant_coeff_pps = pps_id;
init_dequant_tables(h);
if(h->sps.frame_mbs_only_flag)
s->height= 16*s->mb_height - 2*FFMIN(h->sps.crop_bottom, 7);
else
- s->height= 16*s->mb_height - 4*FFMIN(h->sps.crop_bottom, 3);
+ s->height= 16*s->mb_height - 4*FFMIN(h->sps.crop_bottom, 7);
if (s->context_initialized
&& ( s->width != s->avctx->width || s->height != s->avctx->height
avcodec_set_dimensions(s->avctx, s->width, s->height);
s->avctx->sample_aspect_ratio= h->sps.sar;
- if(!s->avctx->sample_aspect_ratio.den)
- s->avctx->sample_aspect_ratio.den = 1;
+ av_assert0(s->avctx->sample_aspect_ratio.den);
if(h->sps.video_signal_type_present_flag){
s->avctx->color_range = h->sps.full_range ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG;
av_reduce(&s->avctx->time_base.num, &s->avctx->time_base.den,
h->sps.num_units_in_tick, den, 1<<30);
}
- s->avctx->pix_fmt = s->avctx->get_format(s->avctx, s->avctx->codec->pix_fmts);
+ s->avctx->pix_fmt = s->avctx->get_format(s->avctx,
+ s->avctx->codec->pix_fmts ?
+ s->avctx->codec->pix_fmts :
+ s->avctx->color_range == AVCOL_RANGE_JPEG ?
+ hwaccel_pixfmt_list_h264_jpeg_420 :
+ ff_hwaccel_pixfmt_list_420);
s->avctx->hwaccel = ff_find_hwaccel(s->avctx->codec->id, s->avctx->pix_fmt);
if (MPV_common_init(s) < 0)
c = h->thread_context[i] = av_malloc(sizeof(H264Context));
memcpy(c, h->s.thread_context[i], sizeof(MpegEncContext));
memset(&c->s + 1, 0, sizeof(H264Context) - sizeof(MpegEncContext));
+ c->h264dsp = h->h264dsp;
c->sps = h->sps;
c->pps = h->pps;
init_scan_tables(c);
if(h0->current_slice == 0){
while(h->frame_num != h->prev_frame_num &&
h->frame_num != (h->prev_frame_num+1)%(1<<h->sps.log2_max_frame_num)){
- av_log(NULL, AV_LOG_DEBUG, "Frame num gap %d %d\n", h->frame_num, h->prev_frame_num);
+ Picture *prev = h->short_ref_count ? h->short_ref[0] : NULL;
+ av_log(h->s.avctx, AV_LOG_DEBUG, "Frame num gap %d %d\n", h->frame_num, h->prev_frame_num);
if (ff_h264_frame_start(h) < 0)
return -1;
h->prev_frame_num++;
h->prev_frame_num %= 1<<h->sps.log2_max_frame_num;
s->current_picture_ptr->frame_num= h->prev_frame_num;
- ff_h264_execute_ref_pic_marking(h, NULL, 0);
+ ff_generate_sliding_window_mmcos(h);
+ ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index);
+ /* Error concealment: if a ref is missing, copy the previous ref in its place.
+ * FIXME: avoiding a memcpy would be nice, but ref handling makes many assumptions
+ * about there being no actual duplicates.
+ * FIXME: this doesn't copy padding for out-of-frame motion vectors. Given we're
+ * concealing a lost frame, this probably isn't noticable by comparison, but it should
+ * be fixed. */
+ if (h->short_ref_count) {
+ if (prev) {
+ av_image_copy(h->short_ref[0]->data, h->short_ref[0]->linesize,
+ (const uint8_t**)prev->data, prev->linesize,
+ s->avctx->pix_fmt, s->mb_width*16, s->mb_height*16);
+ h->short_ref[0]->poc = prev->poc+2;
+ }
+ h->short_ref[0]->frame_num = h->prev_frame_num;
+ }
}
/* See if we have a decoded first field looking for a pair... */
h->emu_edge_width= (s->flags&CODEC_FLAG_EMU_EDGE) ? 0 : 16;
h->emu_edge_height= (FRAME_MBAFF || FIELD_PICTURE) ? 0 : h->emu_edge_width;
- s->avctx->refs= h->sps.ref_frame_count;
-
if(s->avctx->debug&FF_DEBUG_PICT_INFO){
av_log(h->s.avctx, AV_LOG_DEBUG, "slice:%d %s mb:%d %c%s%s pps:%u frame:%d poc:%d/%d ref:%d/%d qp:%d loop:%d:%d:%d weight:%d%s %s\n",
h->slice_num,
}
}
+/**
+ *
+ * @return non zero if the loop filter can be skiped
+ */
+static int fill_filter_caches(H264Context *h, int mb_type){
+ MpegEncContext * const s = &h->s;
+ const int mb_xy= h->mb_xy;
+ int top_xy, left_xy[2];
+ int top_type, left_type[2];
+
+ top_xy = mb_xy - (s->mb_stride << MB_FIELD);
+
+ //FIXME deblocking could skip the intra and nnz parts.
+
+ /* Wow, what a mess, why didn't they simplify the interlacing & intra
+ * stuff, I can't imagine that these complex rules are worth it. */
+
+ left_xy[1] = left_xy[0] = mb_xy-1;
+ if(FRAME_MBAFF){
+ const int left_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[mb_xy-1]);
+ const int curr_mb_field_flag = IS_INTERLACED(mb_type);
+ if(s->mb_y&1){
+ if (left_mb_field_flag != curr_mb_field_flag) {
+ left_xy[0] -= s->mb_stride;
+ }
+ }else{
+ if(curr_mb_field_flag){
+ top_xy += s->mb_stride & (((s->current_picture.mb_type[top_xy ]>>7)&1)-1);
+ }
+ if (left_mb_field_flag != curr_mb_field_flag) {
+ left_xy[1] += s->mb_stride;
+ }
+ }
+ }
+
+ h->top_mb_xy = top_xy;
+ h->left_mb_xy[0] = left_xy[0];
+ h->left_mb_xy[1] = left_xy[1];
+ {
+ //for sufficiently low qp, filtering wouldn't do anything
+ //this is a conservative estimate: could also check beta_offset and more accurate chroma_qp
+ int qp_thresh = h->qp_thresh; //FIXME strictly we should store qp_thresh for each mb of a slice
+ int qp = s->current_picture.qscale_table[mb_xy];
+ if(qp <= qp_thresh
+ && (left_xy[0]<0 || ((qp + s->current_picture.qscale_table[left_xy[0]] + 1)>>1) <= qp_thresh)
+ && (top_xy < 0 || ((qp + s->current_picture.qscale_table[top_xy ] + 1)>>1) <= qp_thresh)){
+ if(!FRAME_MBAFF)
+ return 1;
+ if( (left_xy[0]< 0 || ((qp + s->current_picture.qscale_table[left_xy[1] ] + 1)>>1) <= qp_thresh)
+ && (top_xy < s->mb_stride || ((qp + s->current_picture.qscale_table[top_xy -s->mb_stride] + 1)>>1) <= qp_thresh))
+ return 1;
+ }
+ }
+
+ top_type = s->current_picture.mb_type[top_xy] ;
+ left_type[0] = s->current_picture.mb_type[left_xy[0]];
+ left_type[1] = s->current_picture.mb_type[left_xy[1]];
+ if(h->deblocking_filter == 2){
+ if(h->slice_table[top_xy ] != h->slice_num) top_type= 0;
+ if(h->slice_table[left_xy[0] ] != h->slice_num) left_type[0]= left_type[1]= 0;
+ }else{
+ if(h->slice_table[top_xy ] == 0xFFFF) top_type= 0;
+ if(h->slice_table[left_xy[0] ] == 0xFFFF) left_type[0]= left_type[1] =0;
+ }
+ h->top_type = top_type ;
+ h->left_type[0]= left_type[0];
+ h->left_type[1]= left_type[1];
+
+ if(IS_INTRA(mb_type))
+ return 0;
+
+ AV_COPY64(&h->non_zero_count_cache[0+8*1], &h->non_zero_count[mb_xy][ 0]);
+ AV_COPY64(&h->non_zero_count_cache[0+8*2], &h->non_zero_count[mb_xy][ 8]);
+ AV_COPY32(&h->non_zero_count_cache[0+8*5], &h->non_zero_count[mb_xy][16]);
+ AV_COPY32(&h->non_zero_count_cache[4+8*3], &h->non_zero_count[mb_xy][20]);
+ AV_COPY64(&h->non_zero_count_cache[0+8*4], &h->non_zero_count[mb_xy][24]);
+
+ h->cbp= h->cbp_table[mb_xy];
+
+ {
+ int list;
+ for(list=0; list<h->list_count; list++){
+ int8_t *ref;
+ int y, b_stride;
+ int16_t (*mv_dst)[2];
+ int16_t (*mv_src)[2];
+
+ if(!USES_LIST(mb_type, list)){
+ fill_rectangle( h->mv_cache[list][scan8[0]], 4, 4, 8, pack16to32(0,0), 4);
+ AV_WN32A(&h->ref_cache[list][scan8[ 0]], ((LIST_NOT_USED)&0xFF)*0x01010101u);
+ AV_WN32A(&h->ref_cache[list][scan8[ 2]], ((LIST_NOT_USED)&0xFF)*0x01010101u);
+ AV_WN32A(&h->ref_cache[list][scan8[ 8]], ((LIST_NOT_USED)&0xFF)*0x01010101u);
+ AV_WN32A(&h->ref_cache[list][scan8[10]], ((LIST_NOT_USED)&0xFF)*0x01010101u);
+ continue;
+ }
+
+ ref = &s->current_picture.ref_index[list][4*mb_xy];
+ {
+ int (*ref2frm)[64] = h->ref2frm[ h->slice_num&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);
+ AV_WN32A(&h->ref_cache[list][scan8[ 0]], (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101);
+ AV_WN32A(&h->ref_cache[list][scan8[ 2]], (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101);
+ ref += 2;
+ AV_WN32A(&h->ref_cache[list][scan8[ 8]], (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101);
+ AV_WN32A(&h->ref_cache[list][scan8[10]], (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101);
+ }
+
+ b_stride = h->b_stride;
+ mv_dst = &h->mv_cache[list][scan8[0]];
+ mv_src = &s->current_picture.motion_val[list][4*s->mb_x + 4*s->mb_y*b_stride];
+ for(y=0; y<4; y++){
+ AV_COPY128(mv_dst + 8*y, mv_src + y*b_stride);
+ }
+
+ }
+ }
+
+
+/*
+0 . T T. T T T T
+1 L . .L . . . .
+2 L . .L . . . .
+3 . T TL . . . .
+4 L . .L . . . .
+5 L . .. . . . .
+*/
+//FIXME constraint_intra_pred & partitioning & nnz (let us hope this is just a typo in the spec)
+ if(top_type){
+ AV_COPY32(&h->non_zero_count_cache[4+8*0], &h->non_zero_count[top_xy][4+3*8]);
+ }
+
+ if(left_type[0]){
+ h->non_zero_count_cache[3+8*1]= h->non_zero_count[left_xy[0]][7+0*8];
+ h->non_zero_count_cache[3+8*2]= h->non_zero_count[left_xy[0]][7+1*8];
+ h->non_zero_count_cache[3+8*3]= h->non_zero_count[left_xy[0]][7+2*8];
+ h->non_zero_count_cache[3+8*4]= h->non_zero_count[left_xy[0]][7+3*8];
+ }
+
+ // CAVLC 8x8dct requires NNZ values for residual decoding that differ from what the loop filter needs
+ if(!CABAC && h->pps.transform_8x8_mode){
+ if(IS_8x8DCT(top_type)){
+ h->non_zero_count_cache[4+8*0]=
+ h->non_zero_count_cache[5+8*0]= h->cbp_table[top_xy] & 4;
+ h->non_zero_count_cache[6+8*0]=
+ h->non_zero_count_cache[7+8*0]= h->cbp_table[top_xy] & 8;
+ }
+ if(IS_8x8DCT(left_type[0])){
+ h->non_zero_count_cache[3+8*1]=
+ h->non_zero_count_cache[3+8*2]= h->cbp_table[left_xy[0]]&2; //FIXME check MBAFF
+ }
+ if(IS_8x8DCT(left_type[1])){
+ h->non_zero_count_cache[3+8*3]=
+ h->non_zero_count_cache[3+8*4]= h->cbp_table[left_xy[1]]&8; //FIXME check MBAFF
+ }
+
+ if(IS_8x8DCT(mb_type)){
+ h->non_zero_count_cache[scan8[0 ]]= h->non_zero_count_cache[scan8[1 ]]=
+ h->non_zero_count_cache[scan8[2 ]]= h->non_zero_count_cache[scan8[3 ]]= h->cbp & 1;
+
+ h->non_zero_count_cache[scan8[0+ 4]]= h->non_zero_count_cache[scan8[1+ 4]]=
+ h->non_zero_count_cache[scan8[2+ 4]]= h->non_zero_count_cache[scan8[3+ 4]]= h->cbp & 2;
+
+ h->non_zero_count_cache[scan8[0+ 8]]= h->non_zero_count_cache[scan8[1+ 8]]=
+ h->non_zero_count_cache[scan8[2+ 8]]= h->non_zero_count_cache[scan8[3+ 8]]= h->cbp & 4;
+
+ h->non_zero_count_cache[scan8[0+12]]= h->non_zero_count_cache[scan8[1+12]]=
+ h->non_zero_count_cache[scan8[2+12]]= h->non_zero_count_cache[scan8[3+12]]= h->cbp & 8;
+ }
+ }
+
+ if(IS_INTER(mb_type) || IS_DIRECT(mb_type)){
+ int list;
+ for(list=0; list<h->list_count; list++){
+ if(USES_LIST(top_type, list)){
+ const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
+ const int b8_xy= 4*top_xy + 2;
+ int (*ref2frm)[64] = h->ref2frm[ h->slice_table[top_xy]&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);
+ AV_COPY128(h->mv_cache[list][scan8[0] + 0 - 1*8], s->current_picture.motion_val[list][b_xy + 0]);
+ h->ref_cache[list][scan8[0] + 0 - 1*8]=
+ h->ref_cache[list][scan8[0] + 1 - 1*8]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + 0]];
+ h->ref_cache[list][scan8[0] + 2 - 1*8]=
+ h->ref_cache[list][scan8[0] + 3 - 1*8]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + 1]];
+ }else{
+ AV_ZERO128(h->mv_cache[list][scan8[0] + 0 - 1*8]);
+ AV_WN32A(&h->ref_cache[list][scan8[0] + 0 - 1*8], ((LIST_NOT_USED)&0xFF)*0x01010101u);
+ }
+
+ if(!IS_INTERLACED(mb_type^left_type[0])){
+ if(USES_LIST(left_type[0], list)){
+ const int b_xy= h->mb2b_xy[left_xy[0]] + 3;
+ const int b8_xy= 4*left_xy[0] + 1;
+ int (*ref2frm)[64] = h->ref2frm[ h->slice_table[left_xy[0]]&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);
+ AV_COPY32(h->mv_cache[list][scan8[0] - 1 + 0 ], s->current_picture.motion_val[list][b_xy + h->b_stride*0]);
+ AV_COPY32(h->mv_cache[list][scan8[0] - 1 + 8 ], s->current_picture.motion_val[list][b_xy + h->b_stride*1]);
+ AV_COPY32(h->mv_cache[list][scan8[0] - 1 +16 ], s->current_picture.motion_val[list][b_xy + h->b_stride*2]);
+ AV_COPY32(h->mv_cache[list][scan8[0] - 1 +24 ], s->current_picture.motion_val[list][b_xy + h->b_stride*3]);
+ h->ref_cache[list][scan8[0] - 1 + 0 ]=
+ h->ref_cache[list][scan8[0] - 1 + 8 ]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + 2*0]];
+ h->ref_cache[list][scan8[0] - 1 +16 ]=
+ h->ref_cache[list][scan8[0] - 1 +24 ]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + 2*1]];
+ }else{
+ AV_ZERO32(h->mv_cache [list][scan8[0] - 1 + 0 ]);
+ AV_ZERO32(h->mv_cache [list][scan8[0] - 1 + 8 ]);
+ AV_ZERO32(h->mv_cache [list][scan8[0] - 1 +16 ]);
+ AV_ZERO32(h->mv_cache [list][scan8[0] - 1 +24 ]);
+ h->ref_cache[list][scan8[0] - 1 + 0 ]=
+ h->ref_cache[list][scan8[0] - 1 + 8 ]=
+ h->ref_cache[list][scan8[0] - 1 + 16 ]=
+ h->ref_cache[list][scan8[0] - 1 + 24 ]= LIST_NOT_USED;
+ }
+ }
+ }
+ }
+
+ return 0;
+}
+
static void loop_filter(H264Context *h){
MpegEncContext * const s = &h->s;
uint8_t *dest_y, *dest_cb, *dest_cr;
nalsize = 0;
for(i = 0; i < h->nal_length_size; i++)
nalsize = (nalsize << 8) | buf[buf_index++];
- if(nalsize <= 1 || nalsize > buf_size - buf_index){
- if(nalsize == 1){
- buf_index++;
- continue;
- }else{
- av_log(h->s.avctx, AV_LOG_ERROR, "AVC: nal size %d\n", nalsize);
- break;
- }
+ if(nalsize <= 0 || nalsize > buf_size - buf_index){
+ av_log(h->s.avctx, AV_LOG_ERROR, "AVC: nal size %d\n", nalsize);
+ break;
}
next_avc= buf_index + nalsize;
} else {
if((err = decode_slice_header(hx, h)))
break;
- avctx->profile = hx->sps.profile_idc;
- avctx->level = hx->sps.level_idc;
-
if (h->current_slice == 1) {
if (s->avctx->hwaccel && s->avctx->hwaccel->start_frame(s->avctx, NULL, 0) < 0)
return -1;
if ((err = decode_slice_header(hx, h)) < 0)
break;
- avctx->profile = hx->sps.profile_idc;
- avctx->level = hx->sps.level_idc;
-
hx->s.data_partitioning = 1;
break;
s->flags2= avctx->flags2;
/* end of stream, output what is still in the buffers */
+ out:
if (buf_size == 0) {
Picture *out;
int i, out_idx;
if(buf_index < 0)
return -1;
+ if (!s->current_picture_ptr && h->nal_unit_type == NAL_END_SEQUENCE) {
+ buf_size = 0;
+ goto out;
+ }
+
if(!(s->flags2 & CODEC_FLAG2_CHUNKS) && !s->current_picture_ptr){
if (avctx->skip_frame >= AVDISCARD_NONREF || s->hurry_up) return 0;
av_log(avctx, AV_LOG_ERROR, "no frame!\n");
AVCodec h264_decoder = {
"h264",
- CODEC_TYPE_VIDEO,
+ AVMEDIA_TYPE_VIDEO,
CODEC_ID_H264,
sizeof(H264Context),
ff_h264_decode_init,
/*CODEC_CAP_DRAW_HORIZ_BAND |*/ CODEC_CAP_DR1 | CODEC_CAP_DELAY,
.flush= flush_dpb,
.long_name = NULL_IF_CONFIG_SMALL("H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
- .pix_fmts= ff_hwaccel_pixfmt_list_420,
};
#if CONFIG_H264_VDPAU_DECODER
AVCodec h264_vdpau_decoder = {
"h264_vdpau",
- CODEC_TYPE_VIDEO,
+ AVMEDIA_TYPE_VIDEO,
CODEC_ID_H264,
sizeof(H264Context),
ff_h264_decode_init,