* H.26L/H.264/AVC/JVT/14496-10/... decoder
* Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * 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 2.1 of the License, or (at your option) any later version.
*
- * Libav 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
i-= RS;
}
- if(i>=length-1){ //no escaped 0
- *dst_length= length;
- *consumed= length+1; //+1 for the header
- return src;
- }
-
bufidx = h->nal_unit_type == NAL_DPC ? 1 : 0; // use second escape buffer for inter data
- av_fast_malloc(&h->rbsp_buffer[bufidx], &h->rbsp_buffer_size[bufidx], length+FF_INPUT_BUFFER_PADDING_SIZE);
+ si=h->rbsp_buffer_size[bufidx];
+ av_fast_malloc(&h->rbsp_buffer[bufidx], &h->rbsp_buffer_size[bufidx], length+FF_INPUT_BUFFER_PADDING_SIZE+MAX_MBPAIR_SIZE);
dst= h->rbsp_buffer[bufidx];
+ if(si != h->rbsp_buffer_size[bufidx])
+ memset(dst + length, 0, FF_INPUT_BUFFER_PADDING_SIZE+MAX_MBPAIR_SIZE);
if (dst == NULL){
return NULL;
}
+ if(i>=length-1){ //no escaped 0
+ *dst_length= length;
+ *consumed= length+1; //+1 for the header
+ if(h->s.avctx->flags2 & CODEC_FLAG2_FAST){
+ return src;
+ }else{
+ memcpy(dst, src, length);
+ return dst;
+ }
+ }
+
//printf("decoding esc\n");
memcpy(dst, src, i);
si=di=i;
s->dsp.prefetch(src[1]+off, s->linesize, 4);
s->dsp.prefetch(src[2]+off, s->linesize, 4);
}else{
- off= ((mx>>1) << pixel_shift) + ((my>>1) + (s->mb_x&7))*s->uvlinesize + (64 << pixel_shift);
+ off= (((mx>>1)+64)<<pixel_shift) + ((my>>1) + (s->mb_x&7))*s->uvlinesize;
s->dsp.prefetch(src[1]+off, src[2]-src[1], 2);
}
}
dst->list_counts = src->list_counts;
dst->s.obmc_scratchpad = NULL;
- ff_h264_pred_init(&dst->hpc, src->s.codec_id, src->sps.bit_depth_luma);
+ ff_h264_pred_init(&dst->hpc, src->s.codec_id, src->sps.bit_depth_luma, src->sps.chroma_format_idc);
}
/**
s->height = s->avctx->height;
s->codec_id= s->avctx->codec->id;
- ff_h264dsp_init(&h->h264dsp, 8);
- ff_h264_pred_init(&h->hpc, s->codec_id, 8);
+ ff_h264dsp_init(&h->h264dsp, 8, 1);
+ ff_h264_pred_init(&h->hpc, s->codec_id, 8, 1);
h->dequant_coeff_pps= -1;
s->unrestricted_mv=1;
copy_picture_range(h->delayed_pic, h1->delayed_pic, MAX_DELAYED_PIC_COUNT+2, s, s1);
h->last_slice_type = h1->last_slice_type;
+ h->sync = h1->sync;
if(!s->current_picture_ptr) return 0;
pics = 0;
while(h->delayed_pic[pics]) pics++;
- assert(pics <= MAX_DELAYED_PIC_COUNT);
+ av_assert0(pics <= MAX_DELAYED_PIC_COUNT);
h->delayed_pic[pics++] = cur;
if (cur->f.reference == 0)
av_log(s->avctx, AV_LOG_DEBUG, "no picture\n");
}
+ if (h->next_output_pic && h->next_output_pic->sync) {
+ h->sync |= 2*!!h->next_output_pic->f.key_frame;
+ }
+
if (setup_finished)
ff_thread_finish_setup(s->avctx);
}
-static av_always_inline void backup_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int chroma444, int simple){
+static av_always_inline void backup_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int simple){
MpegEncContext * const s = &h->s;
uint8_t *top_border;
int top_idx = 1;
const int pixel_shift = h->pixel_shift;
+ int chroma444 = CHROMA444;
+ int chroma422 = CHROMA422;
src_y -= linesize;
src_cb -= uvlinesize;
AV_COPY128(top_border+16, src_cb + 15*uvlinesize);
AV_COPY128(top_border+32, src_cr + 15*uvlinesize);
}
+ } else if(chroma422){
+ if (pixel_shift) {
+ AV_COPY128(top_border+32, src_cb + 15*uvlinesize);
+ AV_COPY128(top_border+48, src_cr + 15*uvlinesize);
+ } else {
+ AV_COPY64(top_border+16, src_cb + 15*uvlinesize);
+ AV_COPY64(top_border+24, src_cr + 15*uvlinesize);
+ }
} else {
if (pixel_shift) {
AV_COPY128(top_border+32, src_cb+7*uvlinesize);
AV_COPY128(top_border+16, src_cb + 16*linesize);
AV_COPY128(top_border+32, src_cr + 16*linesize);
}
+ } else if(chroma422) {
+ if (pixel_shift) {
+ AV_COPY128(top_border+32, src_cb+16*uvlinesize);
+ AV_COPY128(top_border+48, src_cr+16*uvlinesize);
+ } else {
+ AV_COPY64(top_border+16, src_cb+16*uvlinesize);
+ AV_COPY64(top_border+24, src_cr+16*uvlinesize);
+ }
} else {
if (pixel_shift) {
AV_COPY128(top_border+32, src_cb+8*uvlinesize);
/* is_h264 should always be true if SVQ3 is disabled. */
const int is_h264 = !CONFIG_SVQ3_DECODER || simple || s->codec_id == CODEC_ID_H264;
void (*idct_add)(uint8_t *dst, DCTELEM *block, int stride);
+ const int block_h = 16>>s->chroma_y_shift;
dest_y = s->current_picture.f.data[0] + ((mb_x << pixel_shift) + mb_y * s->linesize ) * 16;
- dest_cb = s->current_picture.f.data[1] + ((mb_x << pixel_shift) + mb_y * s->uvlinesize) * 8;
- dest_cr = s->current_picture.f.data[2] + ((mb_x << pixel_shift) + mb_y * s->uvlinesize) * 8;
+ dest_cb = s->current_picture.f.data[1] + (mb_x << pixel_shift)*8 + mb_y * s->uvlinesize * block_h;
+ dest_cr = s->current_picture.f.data[2] + (mb_x << pixel_shift)*8 + mb_y * s->uvlinesize * block_h;
s->dsp.prefetch(dest_y + (s->mb_x&3)*4*s->linesize + (64 << pixel_shift), s->linesize, 4);
s->dsp.prefetch(dest_cb + (s->mb_x&7)*s->uvlinesize + (64 << pixel_shift), dest_cr - dest_cb, 2);
block_offset = &h->block_offset[48];
if(mb_y&1){ //FIXME move out of this function?
dest_y -= s->linesize*15;
- dest_cb-= s->uvlinesize*7;
- dest_cr-= s->uvlinesize*7;
+ dest_cb-= s->uvlinesize*(block_h-1);
+ dest_cr-= s->uvlinesize*(block_h-1);
}
if(FRAME_MBAFF) {
int list;
}
if (!simple && IS_INTRA_PCM(mb_type)) {
+ const int bit_depth = h->sps.bit_depth_luma;
if (pixel_shift) {
- const int bit_depth = h->sps.bit_depth_luma;
int j;
GetBitContext gb;
init_get_bits(&gb, (uint8_t*)h->mb, 384*bit_depth);
tmp_y[j] = get_bits(&gb, bit_depth);
}
if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
- for (i = 0; i < 8; i++) {
- uint16_t *tmp_cb = (uint16_t*)(dest_cb + i*uvlinesize);
- for (j = 0; j < 8; j++)
- tmp_cb[j] = get_bits(&gb, bit_depth);
- }
- for (i = 0; i < 8; i++) {
- uint16_t *tmp_cr = (uint16_t*)(dest_cr + i*uvlinesize);
- for (j = 0; j < 8; j++)
- tmp_cr[j] = get_bits(&gb, bit_depth);
+ if (!h->sps.chroma_format_idc) {
+ for (i = 0; i < 8; i++) {
+ uint16_t *tmp_cb = (uint16_t*)(dest_cb + i*uvlinesize);
+ uint16_t *tmp_cr = (uint16_t*)(dest_cr + i*uvlinesize);
+ for (j = 0; j < 8; j++) {
+ tmp_cb[j] = tmp_cr[j] = 1 << (bit_depth - 1);
+ }
+ }
+ } else {
+ for (i = 0; i < block_h; i++) {
+ uint16_t *tmp_cb = (uint16_t*)(dest_cb + i*uvlinesize);
+ for (j = 0; j < 8; j++)
+ tmp_cb[j] = get_bits(&gb, bit_depth);
+ }
+ for (i = 0; i < block_h; i++) {
+ uint16_t *tmp_cr = (uint16_t*)(dest_cr + i*uvlinesize);
+ for (j = 0; j < 8; j++)
+ tmp_cr[j] = get_bits(&gb, bit_depth);
+ }
}
}
} else {
memcpy(dest_y + i* linesize, h->mb + i*8, 16);
}
if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
- for (i=0; i<8; i++) {
- memcpy(dest_cb+ i*uvlinesize, h->mb + 128 + i*4, 8);
- memcpy(dest_cr+ i*uvlinesize, h->mb + 160 + i*4, 8);
+ if (!h->sps.chroma_format_idc) {
+ for (i=0; i<8; i++) {
+ memset(dest_cb+ i*uvlinesize, 1 << (bit_depth - 1), 8);
+ memset(dest_cr+ i*uvlinesize, 1 << (bit_depth - 1), 8);
+ }
+ } else {
+ for (i=0; i<block_h; i++) {
+ memcpy(dest_cb+ i*uvlinesize, h->mb + 128 + i*4, 8);
+ memcpy(dest_cr+ i*uvlinesize, h->mb + 160 + i*4, 8);
+ }
}
}
}
}
}else{
if(is_h264){
+ int qp[2];
+ if (CHROMA422) {
+ qp[0] = h->chroma_qp[0]+3;
+ qp[1] = h->chroma_qp[1]+3;
+ } else {
+ qp[0] = h->chroma_qp[0];
+ qp[1] = h->chroma_qp[1];
+ }
if(h->non_zero_count_cache[ scan8[CHROMA_DC_BLOCK_INDEX+0] ])
- h->h264dsp.h264_chroma_dc_dequant_idct(h->mb + (16*16*1 << pixel_shift), h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp[0]][0]);
+ h->h264dsp.h264_chroma_dc_dequant_idct(h->mb + (16*16*1 << pixel_shift), h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][qp[0]][0]);
if(h->non_zero_count_cache[ scan8[CHROMA_DC_BLOCK_INDEX+1] ])
- h->h264dsp.h264_chroma_dc_dequant_idct(h->mb + (16*16*2 << pixel_shift), h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp[1]][0]);
+ h->h264dsp.h264_chroma_dc_dequant_idct(h->mb + (16*16*2 << pixel_shift), h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][qp[1]][0]);
h->h264dsp.h264_idct_add8(dest, block_offset,
h->mb, uvlinesize,
h->non_zero_count_cache);
- }else{
+ }
+#if CONFIG_SVQ3_DECODER
+ else{
h->h264dsp.h264_chroma_dc_dequant_idct(h->mb + 16*16*1, h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp[0]][0]);
h->h264dsp.h264_chroma_dc_dequant_idct(h->mb + 16*16*2, h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp[1]][0]);
for(j=1; j<3; j++){
}
}
}
+#endif
}
}
}
static void flush_dpb(AVCodecContext *avctx){
H264Context *h= avctx->priv_data;
int i;
- for(i=0; i<MAX_DELAYED_PIC_COUNT; i++) {
+ for(i=0; i<=MAX_DELAYED_PIC_COUNT; i++) {
if(h->delayed_pic[i])
h->delayed_pic[i]->f.reference = 0;
h->delayed_pic[i]= NULL;
h->s.first_field= 0;
ff_h264_reset_sei(h);
ff_mpeg_flush(avctx);
+ h->sync= 0;
}
static int init_poc(H264Context *h){
h->b_stride= s->mb_width*4;
+ s->chroma_y_shift = h->sps.chroma_format_idc <= 1; // 400 uses yuv420p
+
s->width = 16*s->mb_width - (2>>CHROMA444)*FFMIN(h->sps.crop_right, (8<<CHROMA444)-1);
if(h->sps.frame_mbs_only_flag)
- s->height= 16*s->mb_height - (2>>CHROMA444)*FFMIN(h->sps.crop_bottom, (8<<CHROMA444)-1);
+ s->height= 16*s->mb_height - (1<<s->chroma_y_shift)*FFMIN(h->sps.crop_bottom, (16>>s->chroma_y_shift)-1);
else
- s->height= 16*s->mb_height - (4>>CHROMA444)*FFMIN(h->sps.crop_bottom, (8<<CHROMA444)-1);
+ s->height= 16*s->mb_height - (2<<s->chroma_y_shift)*FFMIN(h->sps.crop_bottom, (16>>s->chroma_y_shift)-1);
if (s->context_initialized
&& ( s->width != s->avctx->width || s->height != s->avctx->height
s->avctx->sample_aspect_ratio= h->sps.sar;
av_assert0(s->avctx->sample_aspect_ratio.den);
- h->s.avctx->coded_width = 16*s->mb_width;
- h->s.avctx->coded_height = 16*s->mb_height;
-
if(h->sps.video_signal_type_present_flag){
s->avctx->color_range = h->sps.full_range ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG;
if(h->sps.colour_description_present_flag){
switch (h->sps.bit_depth_luma) {
case 9 :
- s->avctx->pix_fmt = CHROMA444 ? PIX_FMT_YUV444P9 : PIX_FMT_YUV420P9;
+ if (CHROMA444)
+ s->avctx->pix_fmt = PIX_FMT_YUV444P9;
+ else
+ s->avctx->pix_fmt = PIX_FMT_YUV420P9;
break;
case 10 :
- s->avctx->pix_fmt = CHROMA444 ? PIX_FMT_YUV444P10 : PIX_FMT_YUV420P10;
+ if (CHROMA444)
+ s->avctx->pix_fmt = PIX_FMT_YUV444P10;
+ else if (CHROMA422)
+ s->avctx->pix_fmt = PIX_FMT_YUV422P10;
+ else
+ s->avctx->pix_fmt = PIX_FMT_YUV420P10;
break;
default:
if (CHROMA444){
s->avctx->pix_fmt = s->avctx->color_range == AVCOL_RANGE_JPEG ? PIX_FMT_YUVJ444P : PIX_FMT_YUV444P;
+ }else if (CHROMA422) {
+ s->avctx->pix_fmt = s->avctx->color_range == AVCOL_RANGE_JPEG ? PIX_FMT_YUVJ422P : PIX_FMT_YUV422P;
}else{
s->avctx->pix_fmt = s->avctx->get_format(s->avctx,
s->avctx->codec->pix_fmts ?
h0->last_slice_type = slice_type;
h->slice_num = ++h0->current_slice;
- if(h->slice_num >= MAX_SLICES){
- av_log(s->avctx, AV_LOG_ERROR, "Too many slices, increase MAX_SLICES and recompile\n");
+
+ if(h->slice_num)
+ h0->slice_row[(h->slice_num-1)&(MAX_SLICES-1)]= s->resync_mb_y;
+ if ( h0->slice_row[h->slice_num&(MAX_SLICES-1)] + 3 >= s->resync_mb_y
+ && h0->slice_row[h->slice_num&(MAX_SLICES-1)] <= s->resync_mb_y
+ && h->slice_num >= MAX_SLICES) {
+ //in case of ASO this check needs to be updated depending on how we decide to assign slice numbers in this case
+ av_log(s->avctx, AV_LOG_WARNING, "Possibly too many slices (%d >= %d), increase MAX_SLICES and recompile if there are artifacts\n", h->slice_num, MAX_SLICES);
}
for(j=0; j<2; j++){
const int end_mb_y= s->mb_y + FRAME_MBAFF;
const int old_slice_type= h->slice_type;
const int pixel_shift = h->pixel_shift;
+ const int block_h = 16>>s->chroma_y_shift;
if(h->deblocking_filter) {
for(mb_x= start_x; mb_x<end_x; mb_x++){
s->mb_x= mb_x;
s->mb_y= mb_y;
dest_y = s->current_picture.f.data[0] + ((mb_x << pixel_shift) + mb_y * s->linesize ) * 16;
- dest_cb = s->current_picture.f.data[1] + ((mb_x << pixel_shift) + mb_y * s->uvlinesize) * (8 << CHROMA444);
- dest_cr = s->current_picture.f.data[2] + ((mb_x << pixel_shift) + mb_y * s->uvlinesize) * (8 << CHROMA444);
+ dest_cb = s->current_picture.f.data[1] + (mb_x << pixel_shift)*(8<<CHROMA444) + mb_y * s->uvlinesize * block_h;
+ dest_cr = s->current_picture.f.data[2] + (mb_x << pixel_shift)*(8<<CHROMA444) + mb_y * s->uvlinesize * block_h;
//FIXME simplify above
if (MB_FIELD) {
uvlinesize = h->mb_uvlinesize = s->uvlinesize * 2;
if(mb_y&1){ //FIXME move out of this function?
dest_y -= s->linesize*15;
- dest_cb-= s->uvlinesize*((8 << CHROMA444)-1);
- dest_cr-= s->uvlinesize*((8 << CHROMA444)-1);
+ dest_cb-= s->uvlinesize*(block_h-1);
+ dest_cr-= s->uvlinesize*(block_h-1);
}
} else {
linesize = h->mb_linesize = s->linesize;
uvlinesize = h->mb_uvlinesize = s->uvlinesize;
}
- backup_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, CHROMA444, 0);
+ backup_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 0);
if(fill_filter_caches(h, mb_type))
continue;
h->chroma_qp[0] = get_chroma_qp(h, 0, s->current_picture.f.qscale_table[mb_xy]);
if(s->mb_y >= s->mb_height){
tprintf(s->avctx, "slice end %d %d\n", get_bits_count(&s->gb), s->gb.size_in_bits);
- if(get_bits_count(&s->gb) == s->gb.size_in_bits ) {
+ if( get_bits_count(&s->gb) == s->gb.size_in_bits
+ || get_bits_count(&s->gb) < s->gb.size_in_bits && s->avctx->error_recognition < FF_ER_AGGRESSIVE) {
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
return 0;
hx = h->thread_context[i];
hx->s.error_recognition = avctx->error_recognition;
hx->s.error_count = 0;
+ hx->x264_build= h->x264_build;
}
avctx->execute(avctx, (void *)decode_slice,
s->workaround_bugs |= FF_BUG_TRUNCATED;
if(!(s->workaround_bugs & FF_BUG_TRUNCATED)){
- while(ptr[dst_length - 1] == 0 && dst_length > 0)
+ while(dst_length > 0 && ptr[dst_length - 1] == 0)
dst_length--;
}
bit_length= !dst_length ? 0 : (8*dst_length - ff_h264_decode_rbsp_trailing(h, ptr + dst_length - 1));
if(s->avctx->debug&FF_DEBUG_STARTCODE){
- av_log(h->s.avctx, AV_LOG_DEBUG, "NAL %d at %d/%d length %d\n", hx->nal_unit_type, buf_index, buf_size, dst_length);
+ av_log(h->s.avctx, AV_LOG_DEBUG, "NAL %d/%d at %d/%d length %d\n", hx->nal_unit_type, hx->nal_ref_idc, buf_index, buf_size, dst_length);
}
if (h->is_avc && (nalsize != consumed) && nalsize){
s->current_picture_ptr->f.key_frame |=
(hx->nal_unit_type == NAL_IDR_SLICE) ||
(h->sei_recovery_frame_cnt >= 0);
+ h->sync |= !!s->current_picture_ptr->f.key_frame;
+ h->sync |= 3*!!(s->flags2 & CODEC_FLAG2_SHOW_ALL);
+ s->current_picture_ptr->sync = h->sync;
if (h->current_slice == 1) {
if(!(s->flags2 & CODEC_FLAG2_CHUNKS)) {
if(avctx->has_b_frames < 2)
avctx->has_b_frames= !s->low_delay;
- if (avctx->bits_per_raw_sample != h->sps.bit_depth_luma) {
+ if (avctx->bits_per_raw_sample != h->sps.bit_depth_luma ||
+ h->cur_chroma_format_idc != h->sps.chroma_format_idc) {
if (h->sps.bit_depth_luma >= 8 && h->sps.bit_depth_luma <= 10) {
avctx->bits_per_raw_sample = h->sps.bit_depth_luma;
+ h->cur_chroma_format_idc = h->sps.chroma_format_idc;
h->pixel_shift = h->sps.bit_depth_luma > 8;
- ff_h264dsp_init(&h->h264dsp, h->sps.bit_depth_luma);
- ff_h264_pred_init(&h->hpc, s->codec_id, h->sps.bit_depth_luma);
+ ff_h264dsp_init(&h->h264dsp, h->sps.bit_depth_luma, h->sps.chroma_format_idc);
+ ff_h264_pred_init(&h->hpc, s->codec_id, h->sps.bit_depth_luma, h->sps.chroma_format_idc);
s->dsp.dct_bits = h->sps.bit_depth_luma > 8 ? 32 : 16;
dsputil_init(&s->dsp, s->avctx);
} else {
field_end(h, 0);
- if (!h->next_output_pic) {
- /* Wait for second field. */
- *data_size = 0;
-
- } else {
- *data_size = sizeof(AVFrame);
- *pict = *(AVFrame*)h->next_output_pic;
+ *data_size = 0; /* Wait for second field. */
+ if (h->next_output_pic && h->next_output_pic->sync) {
+ if(h->sync>1 || h->next_output_pic->f.pict_type != AV_PICTURE_TYPE_B){
+ *data_size = sizeof(AVFrame);
+ *pict = *(AVFrame*)h->next_output_pic;
+ }
}
}
#undef random
#define COUNT 8000
#define SIZE (COUNT*40)
+extern AVCodec ff_h264_decoder;
int main(void){
int i;
uint8_t temp[SIZE];
DSPContext dsp;
AVCodecContext avctx;
+ avcodec_get_context_defaults3(&avctx, &ff_h264_decoder);
+
dsputil_init(&dsp, &avctx);
init_put_bits(&pb, temp, SIZE);
projects / ffmpeg / blobdiff