* Copyright (c) 2001 Fabrice Bellard
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav 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 FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
- * @file libavcodec/h263dec.c
+ * @file
* H.263 decoder.
*/
+#include "libavutil/cpu.h"
#include "internal.h"
#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
+#include "h263.h"
#include "h263_parser.h"
#include "mpeg4video_parser.h"
#include "msmpeg4.h"
#include "vdpau_internal.h"
+#include "thread.h"
#include "flv.h"
#include "mpeg4video.h"
s->workaround_bugs= avctx->workaround_bugs;
// set defaults
- MPV_decode_defaults(s);
+ ff_MPV_decode_defaults(s);
s->quant_precision=5;
s->decode_mb= ff_h263_decode_mb;
s->low_delay= 1;
case CODEC_ID_MPEG4:
break;
case CODEC_ID_MSMPEG4V1:
- s->h263_msmpeg4 = 1;
s->h263_pred = 1;
s->msmpeg4_version=1;
break;
case CODEC_ID_MSMPEG4V2:
- s->h263_msmpeg4 = 1;
s->h263_pred = 1;
s->msmpeg4_version=2;
break;
case CODEC_ID_MSMPEG4V3:
- s->h263_msmpeg4 = 1;
s->h263_pred = 1;
s->msmpeg4_version=3;
break;
case CODEC_ID_WMV1:
- s->h263_msmpeg4 = 1;
s->h263_pred = 1;
s->msmpeg4_version=4;
break;
case CODEC_ID_WMV2:
- s->h263_msmpeg4 = 1;
s->h263_pred = 1;
s->msmpeg4_version=5;
break;
case CODEC_ID_VC1:
case CODEC_ID_WMV3:
- s->h263_msmpeg4 = 1;
+ case CODEC_ID_VC1IMAGE:
+ case CODEC_ID_WMV3IMAGE:
s->h263_pred = 1;
s->msmpeg4_version=6;
avctx->chroma_sample_location = AVCHROMA_LOC_LEFT;
/* for h263, we allocate the images after having read the header */
if (avctx->codec->id != CODEC_ID_H263 && avctx->codec->id != CODEC_ID_MPEG4)
- if (MPV_common_init(s) < 0)
+ if (ff_MPV_common_init(s) < 0)
return -1;
- if (CONFIG_MSMPEG4_DECODER && s->h263_msmpeg4)
- ff_msmpeg4_decode_init(s);
- else
- h263_decode_init_vlc(s);
+ ff_h263_decode_init_vlc(s);
return 0;
}
{
MpegEncContext *s = avctx->priv_data;
- MPV_common_end(s);
+ ff_MPV_common_end(s);
return 0;
}
/**
- * returns the number of bytes consumed for building the current frame
+ * Return the number of bytes consumed for building the current frame.
*/
static int get_consumed_bytes(MpegEncContext *s, int buf_size){
int pos= (get_bits_count(&s->gb)+7)>>3;
}
static int decode_slice(MpegEncContext *s){
- const int part_mask= s->partitioned_frame ? (AC_END|AC_ERROR) : 0x7F;
+ const int part_mask= s->partitioned_frame ? (ER_AC_END|ER_AC_ERROR) : 0x7F;
const int mb_size= 16>>s->avctx->lowres;
s->last_resync_gb= s->gb;
s->first_slice_line= 1;
/* per-row end of slice checks */
if(s->msmpeg4_version){
if(s->resync_mb_y + s->slice_height == s->mb_y){
- 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);
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, ER_MB_END);
return 0;
}
//printf("%d %d %06X\n", ret, get_bits_count(&s->gb), show_bits(&s->gb, 24));
ret= s->decode_mb(s, s->block);
- if (s->pict_type!=FF_B_TYPE)
+ if (s->pict_type!=AV_PICTURE_TYPE_B)
ff_h263_update_motion_val(s);
if(ret<0){
const int xy= s->mb_x + s->mb_y*s->mb_stride;
if(ret==SLICE_END){
- MPV_decode_mb(s, s->block);
+ ff_MPV_decode_mb(s, s->block);
if(s->loop_filter)
ff_h263_loop_filter(s);
//printf("%d %d %d %06X\n", s->mb_x, s->mb_y, s->gb.size*8 - get_bits_count(&s->gb), show_bits(&s->gb, 24));
- ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, ER_MB_END&part_mask);
s->padding_bug_score--;
if(++s->mb_x >= s->mb_width){
s->mb_x=0;
ff_draw_horiz_band(s, s->mb_y*mb_size, mb_size);
+ ff_MPV_report_decode_progress(s);
s->mb_y++;
}
return 0;
}else if(ret==SLICE_NOEND){
av_log(s->avctx, AV_LOG_ERROR, "Slice mismatch at MB: %d\n", xy);
- 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);
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x+1, s->mb_y, ER_MB_END&part_mask);
return -1;
}
av_log(s->avctx, AV_LOG_ERROR, "Error at MB: %d\n", xy);
- ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, ER_MB_ERROR&part_mask);
return -1;
}
- MPV_decode_mb(s, s->block);
+ ff_MPV_decode_mb(s, s->block);
if(s->loop_filter)
ff_h263_loop_filter(s);
}
ff_draw_horiz_band(s, s->mb_y*mb_size, mb_size);
+ ff_MPV_report_decode_progress(s);
s->mb_x= 0;
}
assert(s->mb_x==0 && s->mb_y==s->mb_height);
+ if(s->codec_id==CODEC_ID_MPEG4
+ && (s->workaround_bugs&FF_BUG_AUTODETECT)
+ && get_bits_left(&s->gb) >= 48
+ && show_bits(&s->gb, 24)==0x4010
+ && !s->data_partitioning)
+ s->padding_bug_score+=32;
+
/* try to detect the padding bug */
if( s->codec_id==CODEC_ID_MPEG4
&& (s->workaround_bugs&FF_BUG_AUTODETECT)
}
if(s->workaround_bugs&FF_BUG_AUTODETECT){
- if(s->padding_bug_score > -2 && !s->data_partitioning /*&& (s->divx_version || !s->resync_marker)*/)
+ if(s->padding_bug_score > -2 && !s->data_partitioning /*&& (s->divx_version>=0 || !s->resync_marker)*/)
s->workaround_bugs |= FF_BUG_NO_PADDING;
else
s->workaround_bugs &= ~FF_BUG_NO_PADDING;
int max_extra=7;
/* no markers in M$ crap */
- if(s->msmpeg4_version && s->pict_type==FF_I_TYPE)
+ if(s->msmpeg4_version && s->pict_type==AV_PICTURE_TYPE_I)
max_extra+= 17;
/* buggy padding but the frame should still end approximately at the bitstream end */
- if((s->workaround_bugs&FF_BUG_NO_PADDING) && s->error_recognition>=3)
+ if((s->workaround_bugs&FF_BUG_NO_PADDING) && (s->err_recognition&AV_EF_BUFFER))
max_extra+= 48;
else if((s->workaround_bugs&FF_BUG_NO_PADDING))
max_extra+= 256*256*256*64;
else if(left<0){
av_log(s->avctx, AV_LOG_ERROR, "overreading %d bits\n", -left);
}else
- 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);
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, ER_MB_END);
return 0;
}
get_bits_left(&s->gb),
show_bits(&s->gb, 24), s->padding_bug_score);
- ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, ER_MB_END&part_mask);
return -1;
}
s->bitstream_buffer_size=0;
if (!s->context_initialized) {
- if (MPV_common_init(s) < 0) //we need the idct permutaton for reading a custom matrix
+ if (ff_MPV_common_init(s) < 0) //we need the idct permutaton for reading a custom matrix
return -1;
}
/* We need to set current_picture_ptr before reading the header,
* otherwise we cannot store anyting in there */
- if(s->current_picture_ptr==NULL || s->current_picture_ptr->data[0]){
+ if (s->current_picture_ptr == NULL || s->current_picture_ptr->f.data[0]) {
int i= ff_find_unused_picture(s, 0);
+ if (i < 0)
+ return i;
s->current_picture_ptr= &s->picture[i];
}
if (CONFIG_WMV2_DECODER && s->msmpeg4_version==5) {
ret= ff_wmv2_decode_picture_header(s);
} else if (CONFIG_MSMPEG4_DECODER && s->msmpeg4_version) {
- ret = msmpeg4_decode_picture_header(s);
+ ret = ff_msmpeg4_decode_picture_header(s);
} else if (CONFIG_MPEG4_DECODER && s->h263_pred) {
if(s->avctx->extradata_size && s->picture_number==0){
GetBitContext gb;
} else if (CONFIG_FLV_DECODER && s->h263_flv) {
ret = ff_flv_decode_picture_header(s);
} else {
- ret = h263_decode_picture_header(s);
+ ret = ff_h263_decode_picture_header(s);
}
if(ret==FRAME_SKIPPED) return get_consumed_bytes(s, buf_size);
avctx->has_b_frames= !s->low_delay;
- if(s->xvid_build==0 && s->divx_version==0 && s->lavc_build==0){
+ if(s->xvid_build==-1 && s->divx_version==-1 && s->lavc_build==-1){
if(s->stream_codec_tag == AV_RL32("XVID") ||
s->codec_tag == AV_RL32("XVID") || s->codec_tag == AV_RL32("XVIX") ||
- s->codec_tag == AV_RL32("RMP4"))
- s->xvid_build= -1;
+ s->codec_tag == AV_RL32("RMP4") ||
+ s->codec_tag == AV_RL32("SIPP")
+ )
+ s->xvid_build= 0;
#if 0
if(s->codec_tag == AV_RL32("DIVX") && s->vo_type==0 && s->vol_control_parameters==1
&& s->padding_bug_score > 0 && s->low_delay) // XVID with modified fourcc
- s->xvid_build= -1;
+ s->xvid_build= 0;
#endif
}
- if(s->xvid_build==0 && s->divx_version==0 && s->lavc_build==0){
+ if(s->xvid_build==-1 && s->divx_version==-1 && s->lavc_build==-1){
if(s->codec_tag == AV_RL32("DIVX") && s->vo_type==0 && s->vol_control_parameters==0)
s->divx_version= 400; //divx 4
}
- if(s->xvid_build && s->divx_version){
+ if(s->xvid_build>=0 && s->divx_version>=0){
s->divx_version=
- s->divx_build= 0;
+ s->divx_build= -1;
}
if(s->workaround_bugs&FF_BUG_AUTODETECT){
s->workaround_bugs|= FF_BUG_QPEL_CHROMA2;
}
- if(s->xvid_build && s->xvid_build<=3)
+ if(s->xvid_build<=3U)
s->padding_bug_score= 256*256*256*64;
- if(s->xvid_build && s->xvid_build<=1)
+ if(s->xvid_build<=1U)
s->workaround_bugs|= FF_BUG_QPEL_CHROMA;
- if(s->xvid_build && s->xvid_build<=12)
+ if(s->xvid_build<=12U)
s->workaround_bugs|= FF_BUG_EDGE;
- if(s->xvid_build && s->xvid_build<=32)
+ if(s->xvid_build<=32U)
s->workaround_bugs|= FF_BUG_DC_CLIP;
#define SET_QPEL_FUNC(postfix1, postfix2) \
s->dsp.put_no_rnd_ ## postfix1 = ff_put_no_rnd_ ## postfix2;\
s->dsp.avg_ ## postfix1 = ff_avg_ ## postfix2;
- if(s->lavc_build && s->lavc_build<4653)
+ if(s->lavc_build<4653U)
s->workaround_bugs|= FF_BUG_STD_QPEL;
- if(s->lavc_build && s->lavc_build<4655)
+ if(s->lavc_build<4655U)
s->workaround_bugs|= FF_BUG_DIRECT_BLOCKSIZE;
- if(s->lavc_build && s->lavc_build<4670){
+ if(s->lavc_build<4670U){
s->workaround_bugs|= FF_BUG_EDGE;
}
- if(s->lavc_build && s->lavc_build<=4712)
+ if(s->lavc_build<=4712U)
s->workaround_bugs|= FF_BUG_DC_CLIP;
- if(s->divx_version)
+ if(s->divx_version>=0)
s->workaround_bugs|= FF_BUG_DIRECT_BLOCKSIZE;
//printf("padding_bug_score: %d\n", s->padding_bug_score);
if(s->divx_version==501 && s->divx_build==20020416)
s->padding_bug_score= 256*256*256*64;
- if(s->divx_version && s->divx_version<500){
+ if(s->divx_version<500U){
s->workaround_bugs|= FF_BUG_EDGE;
}
- if(s->divx_version)
+ if(s->divx_version>=0)
s->workaround_bugs|= FF_BUG_HPEL_CHROMA;
#if 0
if(s->divx_version==500)
/* very ugly XVID padding bug detection FIXME/XXX solve this differently
* Let us hope this at least works.
*/
- if( s->resync_marker==0 && s->data_partitioning==0 && s->divx_version==0
+ if( s->resync_marker==0 && s->data_partitioning==0 && s->divx_version==-1
&& s->codec_id==CODEC_ID_MPEG4 && s->vo_type==0)
s->workaround_bugs|= FF_BUG_NO_PADDING;
- if(s->lavc_build && s->lavc_build<4609) //FIXME not sure about the version num but a 4609 file seems ok
+ if(s->lavc_build<4609U) //FIXME not sure about the version num but a 4609 file seems ok
s->workaround_bugs|= FF_BUG_NO_PADDING;
#endif
}
s->workaround_bugs, s->lavc_build, s->xvid_build, s->divx_version, s->divx_build,
s->divx_packed ? "p" : "");
-#if 0 // dump bits per frame / qp / complexity
-{
- static FILE *f=NULL;
- if(!f) f=fopen("rate_qp_cplx.txt", "w");
- fprintf(f, "%d %d %f\n", buf_size, s->qscale, buf_size*(double)s->qscale);
-}
-#endif
-
#if HAVE_MMX
- if(s->codec_id == CODEC_ID_MPEG4 && s->xvid_build && avctx->idct_algo == FF_IDCT_AUTO && (mm_flags & FF_MM_MMX)){
+ if (s->codec_id == CODEC_ID_MPEG4 && s->xvid_build>=0 && avctx->idct_algo == FF_IDCT_AUTO && (av_get_cpu_flags() & AV_CPU_FLAG_MMX)) {
avctx->idct_algo= FF_IDCT_XVIDMMX;
avctx->coded_width= 0; // force reinit
-// dsputil_init(&s->dsp, avctx);
+// ff_dsputil_init(&s->dsp, avctx);
s->picture_number=0;
}
#endif
/* H.263 could change picture size any time */
ParseContext pc= s->parse_context; //FIXME move these demuxng hack to avformat
s->parse_context.buffer=0;
- MPV_common_end(s);
+ ff_MPV_common_end(s);
s->parse_context= pc;
}
if (!s->context_initialized) {
if((s->codec_id==CODEC_ID_H263 || s->codec_id==CODEC_ID_H263P || s->codec_id == CODEC_ID_H263I))
s->gob_index = ff_h263_get_gob_height(s);
- // for hurry_up==5
- s->current_picture.pict_type= s->pict_type;
- s->current_picture.key_frame= s->pict_type == FF_I_TYPE;
+ // for skipping the frame
+ s->current_picture.f.pict_type = s->pict_type;
+ s->current_picture.f.key_frame = s->pict_type == AV_PICTURE_TYPE_I;
/* skip B-frames if we don't have reference frames */
- if(s->last_picture_ptr==NULL && (s->pict_type==FF_B_TYPE || s->dropable)) return get_consumed_bytes(s, buf_size);
- /* skip b frames if we are in a hurry */
- if(avctx->hurry_up && s->pict_type==FF_B_TYPE) return get_consumed_bytes(s, buf_size);
- if( (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type==FF_B_TYPE)
- || (avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type!=FF_I_TYPE)
+ if(s->last_picture_ptr==NULL && (s->pict_type==AV_PICTURE_TYPE_B || s->dropable)) return get_consumed_bytes(s, buf_size);
+ if( (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type==AV_PICTURE_TYPE_B)
+ || (avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type!=AV_PICTURE_TYPE_I)
|| avctx->skip_frame >= AVDISCARD_ALL)
return get_consumed_bytes(s, buf_size);
- /* skip everything if we are in a hurry>=5 */
- if(avctx->hurry_up>=5) return get_consumed_bytes(s, buf_size);
if(s->next_p_frame_damaged){
- if(s->pict_type==FF_B_TYPE)
+ if(s->pict_type==AV_PICTURE_TYPE_B)
return get_consumed_bytes(s, buf_size);
else
s->next_p_frame_damaged=0;
}
- if((s->avctx->flags2 & CODEC_FLAG2_FAST) && s->pict_type==FF_B_TYPE){
+ if((s->avctx->flags2 & CODEC_FLAG2_FAST) && s->pict_type==AV_PICTURE_TYPE_B){
s->me.qpel_put= s->dsp.put_2tap_qpel_pixels_tab;
s->me.qpel_avg= s->dsp.avg_2tap_qpel_pixels_tab;
- }else if((!s->no_rounding) || s->pict_type==FF_B_TYPE){
+ }else if((!s->no_rounding) || s->pict_type==AV_PICTURE_TYPE_B){
s->me.qpel_put= s->dsp.put_qpel_pixels_tab;
s->me.qpel_avg= s->dsp.avg_qpel_pixels_tab;
}else{
s->me.qpel_avg= s->dsp.avg_qpel_pixels_tab;
}
- if(MPV_frame_start(s, avctx) < 0)
+ if(ff_MPV_frame_start(s, avctx) < 0)
return -1;
+ if (!s->divx_packed) ff_thread_finish_setup(avctx);
+
if (CONFIG_MPEG4_VDPAU_DECODER && (s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU)) {
- ff_vdpau_mpeg4_decode_picture(s, buf, buf_size);
+ ff_vdpau_mpeg4_decode_picture(s, s->gb.buffer, s->gb.buffer_end - s->gb.buffer);
goto frame_end;
}
if (avctx->hwaccel) {
- if (avctx->hwaccel->start_frame(avctx, buf, buf_size) < 0)
+ if (avctx->hwaccel->start_frame(avctx, s->gb.buffer, s->gb.buffer_end - s->gb.buffer) < 0)
return -1;
}
ff_er_frame_start(s);
//the second part of the wmv2 header contains the MB skip bits which are stored in current_picture->mb_type
- //which is not available before MPV_frame_start()
+ //which is not available before ff_MPV_frame_start()
if (CONFIG_WMV2_DECODER && s->msmpeg4_version==5){
ret = ff_wmv2_decode_secondary_picture_header(s);
if(ret<0) return ret;
s->mb_x=0;
s->mb_y=0;
- decode_slice(s);
+ ret = decode_slice(s);
while(s->mb_y<s->mb_height){
if(s->msmpeg4_version){
if(s->slice_height==0 || s->mb_x!=0 || (s->mb_y%s->slice_height)!=0 || get_bits_count(&s->gb) > s->gb.size_in_bits)
break;
}else{
+ int prev_x=s->mb_x, prev_y=s->mb_y;
if(ff_h263_resync(s)<0)
break;
+ if (prev_y * s->mb_width + prev_x < s->mb_y * s->mb_width + s->mb_x)
+ s->error_occurred = 1;
}
if(s->msmpeg4_version<4 && s->h263_pred)
ff_mpeg4_clean_buffers(s);
- decode_slice(s);
+ if (decode_slice(s) < 0) ret = AVERROR_INVALIDDATA;
}
- if (s->h263_msmpeg4 && s->msmpeg4_version<4 && s->pict_type==FF_I_TYPE)
- if(!CONFIG_MSMPEG4_DECODER || msmpeg4_decode_ext_header(s, buf_size) < 0){
- s->error_status_table[s->mb_num-1]= AC_ERROR|DC_ERROR|MV_ERROR;
+ if (s->msmpeg4_version && s->msmpeg4_version<4 && s->pict_type==AV_PICTURE_TYPE_I)
+ if(!CONFIG_MSMPEG4_DECODER || ff_msmpeg4_decode_ext_header(s, buf_size) < 0){
+ s->error_status_table[s->mb_num-1]= ER_MB_ERROR;
}
assert(s->bitstream_buffer_size==0);
+frame_end:
/* divx 5.01+ bistream reorder stuff */
if(s->codec_id==CODEC_ID_MPEG4 && s->divx_packed){
int current_pos= get_bits_count(&s->gb)>>3;
}
}
}
- if(s->gb.buffer == s->bitstream_buffer && buf_size>7 && s->xvid_build){ //xvid style
+ if(s->gb.buffer == s->bitstream_buffer && buf_size>7 && s->xvid_build>=0){ //xvid style
startcode_found=1;
current_pos=0;
}
intrax8_decoded:
ff_er_frame_end(s);
-frame_end:
if (avctx->hwaccel) {
if (avctx->hwaccel->end_frame(avctx) < 0)
return -1;
}
- MPV_frame_end(s);
+ ff_MPV_frame_end(s);
-assert(s->current_picture.pict_type == s->current_picture_ptr->pict_type);
-assert(s->current_picture.pict_type == s->pict_type);
- if (s->pict_type == FF_B_TYPE || s->low_delay) {
+ assert(s->current_picture.f.pict_type == s->current_picture_ptr->f.pict_type);
+ assert(s->current_picture.f.pict_type == s->pict_type);
+ if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay) {
*pict= *(AVFrame*)s->current_picture_ptr;
} else if (s->last_picture_ptr != NULL) {
*pict= *(AVFrame*)s->last_picture_ptr;
av_log(avctx, AV_LOG_DEBUG, "%"PRId64"\n", rdtsc()-time);
#endif
- return get_consumed_bytes(s, buf_size);
+ return (ret && (avctx->err_recognition & AV_EF_EXPLODE))?ret:get_consumed_bytes(s, buf_size);
}
-AVCodec h263_decoder = {
- "h263",
- CODEC_TYPE_VIDEO,
- CODEC_ID_H263,
- sizeof(MpegEncContext),
- ff_h263_decode_init,
- NULL,
- ff_h263_decode_end,
- ff_h263_decode_frame,
- CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY,
+AVCodec ff_h263_decoder = {
+ .name = "h263",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = CODEC_ID_H263,
+ .priv_data_size = sizeof(MpegEncContext),
+ .init = ff_h263_decode_init,
+ .close = ff_h263_decode_end,
+ .decode = ff_h263_decode_frame,
+ .capabilities = CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY,
.flush= ff_mpeg_flush,
+ .max_lowres= 3,
.long_name= NULL_IF_CONFIG_SMALL("H.263 / H.263-1996, H.263+ / H.263-1998 / H.263 version 2"),
.pix_fmts= ff_hwaccel_pixfmt_list_420,
};
-
-AVCodec msmpeg4v1_decoder = {
- "msmpeg4v1",
- CODEC_TYPE_VIDEO,
- CODEC_ID_MSMPEG4V1,
- sizeof(MpegEncContext),
- ff_h263_decode_init,
- NULL,
- ff_h263_decode_end,
- ff_h263_decode_frame,
- CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1,
- .long_name= NULL_IF_CONFIG_SMALL("MPEG-4 part 2 Microsoft variant version 1"),
- .pix_fmts= ff_pixfmt_list_420,
-};
-
-AVCodec msmpeg4v2_decoder = {
- "msmpeg4v2",
- CODEC_TYPE_VIDEO,
- CODEC_ID_MSMPEG4V2,
- sizeof(MpegEncContext),
- ff_h263_decode_init,
- NULL,
- ff_h263_decode_end,
- ff_h263_decode_frame,
- CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1,
- .long_name= NULL_IF_CONFIG_SMALL("MPEG-4 part 2 Microsoft variant version 2"),
- .pix_fmts= ff_pixfmt_list_420,
-};
-
-AVCodec msmpeg4v3_decoder = {
- "msmpeg4",
- CODEC_TYPE_VIDEO,
- CODEC_ID_MSMPEG4V3,
- sizeof(MpegEncContext),
- ff_h263_decode_init,
- NULL,
- ff_h263_decode_end,
- ff_h263_decode_frame,
- CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1,
- .long_name= NULL_IF_CONFIG_SMALL("MPEG-4 part 2 Microsoft variant version 3"),
- .pix_fmts= ff_pixfmt_list_420,
-};
-
-AVCodec wmv1_decoder = {
- "wmv1",
- CODEC_TYPE_VIDEO,
- CODEC_ID_WMV1,
- sizeof(MpegEncContext),
- ff_h263_decode_init,
- NULL,
- ff_h263_decode_end,
- ff_h263_decode_frame,
- CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1,
- .long_name= NULL_IF_CONFIG_SMALL("Windows Media Video 7"),
- .pix_fmts= ff_pixfmt_list_420,
-};
projects / ffmpeg / blobdiff