X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fh263dec.c;h=d75904cec4b41f939f5cd21e7b98831682d6d0ac;hb=c1736936982e9b0d3400462eda2b0bf410f6e003;hp=67d7deede16fed3d88bfb61f07a1218ef7e18cb9;hpb=cfeae977a797ae7f0401432c5fcefa060979e46f;p=ffmpeg diff --git a/libavcodec/h263dec.c b/libavcodec/h263dec.c index 67d7deede16..d75904cec4b 100644 --- a/libavcodec/h263dec.c +++ b/libavcodec/h263dec.c @@ -1,36 +1,43 @@ /* * H.263 decoder - * Copyright (c) 2001 Fabrice Bellard. + * Copyright (c) 2001 Fabrice Bellard * Copyright (c) 2002-2004 Michael Niedermayer * - * This library is free software; you can redistribute it and/or + * This file is part of FFmpeg. + * + * 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 of the License, or (at your option) any later version. + * version 2.1 of the License, or (at your option) any later version. * - * This library 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 this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ - + /** - * @file h263dec.c + * @file libavcodec/h263dec.c * H.263 decoder. */ - + +#include "internal.h" #include "avcodec.h" #include "dsputil.h" #include "mpegvideo.h" +#include "h263_parser.h" +#include "mpeg4video_parser.h" +#include "msmpeg4.h" +#include "vdpau_internal.h" //#define DEBUG //#define PRINT_FRAME_TIME -int ff_h263_decode_init(AVCodecContext *avctx) +av_cold int ff_h263_decode_init(AVCodecContext *avctx) { MpegEncContext *s = avctx->priv_data; @@ -46,19 +53,21 @@ int ff_h263_decode_init(AVCodecContext *avctx) s->quant_precision=5; s->decode_mb= ff_h263_decode_mb; s->low_delay= 1; - avctx->pix_fmt= PIX_FMT_YUV420P; + avctx->pix_fmt= avctx->get_format(avctx, avctx->codec->pix_fmts); s->unrestricted_mv= 1; /* select sub codec */ switch(avctx->codec->id) { case CODEC_ID_H263: s->unrestricted_mv= 0; + avctx->chroma_sample_location = AVCHROMA_LOC_CENTER; break; case CODEC_ID_MPEG4: s->decode_mb= ff_mpeg4_decode_mb; s->time_increment_bits = 4; /* default value for broken headers */ s->h263_pred = 1; s->low_delay = 0; //default, might be overriden in the vol header during header parsing + avctx->chroma_sample_location = AVCHROMA_LOC_LEFT; break; case CODEC_ID_MSMPEG4V1: s->h263_msmpeg4 = 1; @@ -85,6 +94,13 @@ int ff_h263_decode_init(AVCodecContext *avctx) s->h263_pred = 1; s->msmpeg4_version=5; break; + case CODEC_ID_VC1: + case CODEC_ID_WMV3: + s->h263_msmpeg4 = 1; + s->h263_pred = 1; + s->msmpeg4_version=6; + avctx->chroma_sample_location = AVCHROMA_LOC_LEFT; + break; case CODEC_ID_H263I: break; case CODEC_ID_FLV1: @@ -94,21 +110,22 @@ int ff_h263_decode_init(AVCodecContext *avctx) return -1; } s->codec_id= avctx->codec->id; + avctx->hwaccel= ff_find_hwaccel(avctx->codec->id, avctx->pix_fmt); /* 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) return -1; - if (s->h263_msmpeg4) + if (CONFIG_MSMPEG4_DECODER && s->h263_msmpeg4) ff_msmpeg4_decode_init(s); else h263_decode_init_vlc(s); - + return 0; } -int ff_h263_decode_end(AVCodecContext *avctx) +av_cold int ff_h263_decode_end(AVCodecContext *avctx) { MpegEncContext *s = avctx->priv_data; @@ -117,20 +134,20 @@ int ff_h263_decode_end(AVCodecContext *avctx) } /** - * retunrs the number of bytes consumed for building the current frame + * returns 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; - - if(s->divx_packed){ + + if(s->divx_packed || s->avctx->hwaccel){ //we would have to scan through the whole buf to handle the weird reordering ... - return buf_size; + return buf_size; }else if(s->flags&CODEC_FLAG_TRUNCATED){ pos -= s->parse_context.last_index; if(pos<0) pos=0; // padding is not really read so this might be -1 return pos; }else{ - if(pos==0) pos=1; //avoid infinite loops (i doubt thats needed but ...) + if(pos==0) pos=1; //avoid infinite loops (i doubt that is needed but ...) if(pos+10>buf_size) pos=buf_size; // oops ;) return pos; @@ -142,20 +159,27 @@ static int decode_slice(MpegEncContext *s){ const int mb_size= 16>>s->avctx->lowres; s->last_resync_gb= s->gb; s->first_slice_line= 1; - + s->resync_mb_x= s->mb_x; s->resync_mb_y= s->mb_y; ff_set_qscale(s, s->qscale); - + + if (s->avctx->hwaccel) { + const uint8_t *start= s->gb.buffer + get_bits_count(&s->gb)/8; + const uint8_t *end = ff_h263_find_resync_marker(start + 1, s->gb.buffer_end); + skip_bits_long(&s->gb, 8*(end - start)); + return s->avctx->hwaccel->decode_slice(s->avctx, start, end - start); + } + if(s->partitioned_frame){ const int qscale= s->qscale; if(s->codec_id==CODEC_ID_MPEG4){ if(ff_mpeg4_decode_partitions(s) < 0) - return -1; + return -1; } - + /* restore variables which were modified */ s->first_slice_line=1; s->mb_x= s->resync_mb_x; @@ -172,13 +196,13 @@ static int decode_slice(MpegEncContext *s){ return 0; } } - + if(s->msmpeg4_version==1){ s->last_dc[0]= s->last_dc[1]= s->last_dc[2]= 128; } - + ff_init_block_index(s); for(; s->mb_x < s->mb_width; s->mb_x++) { int ret; @@ -186,19 +210,18 @@ static int decode_slice(MpegEncContext *s){ ff_update_block_index(s); if(s->resync_mb_x == s->mb_x && s->resync_mb_y+1 == s->mb_y){ - s->first_slice_line=0; + s->first_slice_line=0; } /* DCT & quantize */ - s->dsp.clear_blocks(s->block[0]); - + s->mv_dir = MV_DIR_FORWARD; s->mv_type = MV_TYPE_16X16; -// s->mb_skiped = 0; +// s->mb_skipped = 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!=B_TYPE) + if (s->pict_type!=FF_B_TYPE) ff_h263_update_motion_val(s); if(ret<0){ @@ -212,13 +235,13 @@ static int decode_slice(MpegEncContext *s){ 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); 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); s->mb_y++; } - return 0; + 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); @@ -226,7 +249,7 @@ static int decode_slice(MpegEncContext *s){ } 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); - + return -1; } @@ -234,55 +257,62 @@ static int decode_slice(MpegEncContext *s){ if(s->loop_filter) ff_h263_loop_filter(s); } - + ff_draw_horiz_band(s, s->mb_y*mb_size, mb_size); - + s->mb_x= 0; } - + assert(s->mb_x==0 && s->mb_y==s->mb_height); /* try to detect the padding bug */ if( s->codec_id==CODEC_ID_MPEG4 - && (s->workaround_bugs&FF_BUG_AUTODETECT) - && s->gb.size_in_bits - get_bits_count(&s->gb) >=0 - && s->gb.size_in_bits - get_bits_count(&s->gb) < 48 + && (s->workaround_bugs&FF_BUG_AUTODETECT) + && get_bits_left(&s->gb) >=0 + && get_bits_left(&s->gb) < 48 // && !s->resync_marker && !s->data_partitioning){ - + const int bits_count= get_bits_count(&s->gb); const int bits_left = s->gb.size_in_bits - bits_count; - + if(bits_left==0){ s->padding_bug_score+=16; - }else if(bits_left>8){ - s->padding_bug_score++; } else if(bits_left != 1){ int v= show_bits(&s->gb, 8); v|= 0x7F >> (7-(bits_count&7)); - if(v==0x7F) + if(v==0x7F && bits_left<=8) s->padding_bug_score--; + else if(v==0x7F && ((get_bits_count(&s->gb)+8)&8) && bits_left<=16) + s->padding_bug_score+= 4; else - s->padding_bug_score++; - } + s->padding_bug_score++; + } + } + + if(s->workaround_bugs&FF_BUG_AUTODETECT){ + if(s->padding_bug_score > -2 && !s->data_partitioning /*&& (s->divx_version || !s->resync_marker)*/) + s->workaround_bugs |= FF_BUG_NO_PADDING; + else + s->workaround_bugs &= ~FF_BUG_NO_PADDING; } - // handle formats which dont have unique end markers + // handle formats which don't have unique end markers if(s->msmpeg4_version || (s->workaround_bugs&FF_BUG_NO_PADDING)){ //FIXME perhaps solve this more cleanly - int left= s->gb.size_in_bits - get_bits_count(&s->gb); + int left= get_bits_left(&s->gb); int max_extra=7; - + /* no markers in M$ crap */ - if(s->msmpeg4_version && s->pict_type==I_TYPE) + if(s->msmpeg4_version && s->pict_type==FF_I_TYPE) 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_resilience>=3) + if((s->workaround_bugs&FF_BUG_NO_PADDING) && s->error_recognition>=3) max_extra+= 48; else if((s->workaround_bugs&FF_BUG_NO_PADDING)) max_extra+= 256*256*256*64; - + if(left>max_extra){ av_log(s->avctx, AV_LOG_ERROR, "discarding %d junk bits at end, next would be %X\n", left, show_bits(&s->gb, 24)); } @@ -290,130 +320,31 @@ static int decode_slice(MpegEncContext *s){ 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); - + return 0; } - av_log(s->avctx, AV_LOG_ERROR, "slice end not reached but screenspace end (%d left %06X, score= %d)\n", - s->gb.size_in_bits - get_bits_count(&s->gb), + av_log(s->avctx, AV_LOG_ERROR, "slice end not reached but screenspace end (%d left %06X, score= %d)\n", + 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); return -1; } -/** - * finds the end of the current frame in the bitstream. - * @return the position of the first byte of the next frame, or -1 - */ -int ff_mpeg4_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size){ - int vop_found, i; - uint32_t state; - - vop_found= pc->frame_start_found; - state= pc->state; - - i=0; - if(!vop_found){ - for(i=0; iframe_start_found=0; - pc->state=-1; - return i-3; - } - } - } - pc->frame_start_found= vop_found; - pc->state= state; - return END_NOT_FOUND; -} - -static int h263_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size){ - int vop_found, i; - uint32_t state; - - vop_found= pc->frame_start_found; - state= pc->state; - - i=0; - if(!vop_found){ - for(i=0; i>(32-22) == 0x20){ - i++; - vop_found=1; - break; - } - } - } - - if(vop_found){ - for(; i>(32-22) == 0x20){ - pc->frame_start_found=0; - pc->state=-1; - return i-3; - } - } - } - pc->frame_start_found= vop_found; - pc->state= state; - - return END_NOT_FOUND; -} - -static int h263_parse(AVCodecParserContext *s, - AVCodecContext *avctx, - uint8_t **poutbuf, int *poutbuf_size, - const uint8_t *buf, int buf_size) -{ - ParseContext *pc = s->priv_data; - int next; - - next= h263_find_frame_end(pc, buf, buf_size); - - if (ff_combine_frame(pc, next, (uint8_t **)&buf, &buf_size) < 0) { - *poutbuf = NULL; - *poutbuf_size = 0; - return buf_size; - } - - *poutbuf = (uint8_t *)buf; - *poutbuf_size = buf_size; - return next; -} - -int ff_h263_decode_frame(AVCodecContext *avctx, +int ff_h263_decode_frame(AVCodecContext *avctx, void *data, int *data_size, - uint8_t *buf, int buf_size) + AVPacket *avpkt) { + const uint8_t *buf = avpkt->data; + int buf_size = avpkt->size; MpegEncContext *s = avctx->priv_data; int ret; - AVFrame *pict = data; - + AVFrame *pict = data; + #ifdef PRINT_FRAME_TIME uint64_t time= rdtsc(); -#endif -#ifdef DEBUG - printf("*****frame %d size=%d\n", avctx->frame_number, buf_size); - printf("bytes=%x %x %x %x\n", buf[0], buf[1], buf[2], buf[3]); #endif s->flags= avctx->flags; s->flags2= avctx->flags2; @@ -433,23 +364,23 @@ uint64_t time= rdtsc(); if(s->flags&CODEC_FLAG_TRUNCATED){ int next; - - if(s->codec_id==CODEC_ID_MPEG4){ + + if(CONFIG_MPEG4_DECODER && s->codec_id==CODEC_ID_MPEG4){ next= ff_mpeg4_find_frame_end(&s->parse_context, buf, buf_size); - }else if(s->codec_id==CODEC_ID_H263){ - next= h263_find_frame_end(&s->parse_context, buf, buf_size); + }else if(CONFIG_H263_DECODER && s->codec_id==CODEC_ID_H263){ + next= ff_h263_find_frame_end(&s->parse_context, buf, buf_size); }else{ - av_log(s->avctx, AV_LOG_ERROR, "this codec doesnt support truncated bitstreams\n"); + av_log(s->avctx, AV_LOG_ERROR, "this codec does not support truncated bitstreams\n"); return -1; } - - if( ff_combine_frame(&s->parse_context, next, &buf, &buf_size) < 0 ) + + if( ff_combine_frame(&s->parse_context, next, (const uint8_t **)&buf, &buf_size) < 0 ) return buf_size; } - + retry: - + if(s->bitstream_buffer_size && (s->divx_packed || buf_size<20)){ //divx 5.01+/xvid frame reorder init_get_bits(&s->gb, s->bitstream_buffer, s->bitstream_buffer_size*8); }else @@ -460,29 +391,27 @@ retry: if (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 cant store anyting im there + + /* 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]){ int i= ff_find_unused_picture(s, 0); s->current_picture_ptr= &s->picture[i]; } - + /* let's go :-) */ - if (s->msmpeg4_version==5) { + if (CONFIG_WMV2_DECODER && s->msmpeg4_version==5) { ret= ff_wmv2_decode_picture_header(s); - } else if (s->msmpeg4_version) { + } else if (CONFIG_MSMPEG4_DECODER && s->msmpeg4_version) { ret = msmpeg4_decode_picture_header(s); } else if (s->h263_pred) { if(s->avctx->extradata_size && s->picture_number==0){ GetBitContext gb; - + init_get_bits(&gb, s->avctx->extradata, s->avctx->extradata_size*8); ret = ff_mpeg4_decode_picture_header(s, &gb); } ret = ff_mpeg4_decode_picture_header(s, &s->gb); - - if(s->flags& CODEC_FLAG_LOW_DELAY) - s->low_delay=1; } else if (s->codec_id == CODEC_ID_H263I) { ret = intel_h263_decode_picture_header(s); } else if (s->h263_flv) { @@ -490,57 +419,58 @@ retry: } else { ret = h263_decode_picture_header(s); } - - if(ret==FRAME_SKIPED) return get_consumed_bytes(s, buf_size); + + if(ret==FRAME_SKIPPED) return get_consumed_bytes(s, buf_size); /* skip if the header was thrashed */ if (ret < 0){ av_log(s->avctx, AV_LOG_ERROR, "header damaged\n"); return -1; } - + avctx->has_b_frames= !s->low_delay; - + if(s->xvid_build==0 && s->divx_version==0 && s->lavc_build==0){ - if(s->avctx->stream_codec_tag == ff_get_fourcc("XVID") || - s->avctx->codec_tag == ff_get_fourcc("XVID") || s->avctx->codec_tag == ff_get_fourcc("XVIX")) + 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; #if 0 - if(s->avctx->codec_tag == ff_get_fourcc("DIVX") && s->vo_type==0 && s->vol_control_parameters==1 - && s->padding_bug_score > 0 && s->low_delay) // XVID with modified fourcc + 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; #endif } if(s->xvid_build==0 && s->divx_version==0 && s->lavc_build==0){ - if(s->avctx->codec_tag == ff_get_fourcc("DIVX") && s->vo_type==0 && s->vol_control_parameters==0) + if(s->codec_tag == AV_RL32("DIVX") && s->vo_type==0 && s->vol_control_parameters==0) s->divx_version= 400; //divx 4 } - if(s->workaround_bugs&FF_BUG_AUTODETECT){ - s->workaround_bugs &= ~FF_BUG_NO_PADDING; - - if(s->padding_bug_score > -2 && !s->data_partitioning && (s->divx_version || !s->resync_marker)) - s->workaround_bugs |= FF_BUG_NO_PADDING; + if(s->xvid_build && s->divx_version){ + s->divx_version= + s->divx_build= 0; + } - if(s->avctx->codec_tag == ff_get_fourcc("XVIX")) + if(s->workaround_bugs&FF_BUG_AUTODETECT){ + if(s->codec_tag == AV_RL32("XVIX")) s->workaround_bugs|= FF_BUG_XVID_ILACE; - if(s->avctx->codec_tag == ff_get_fourcc("UMP4")){ + if(s->codec_tag == AV_RL32("UMP4")){ s->workaround_bugs|= FF_BUG_UMP4; } - if(s->divx_version>=500){ + if(s->divx_version>=500 && s->divx_build<1814){ s->workaround_bugs|= FF_BUG_QPEL_CHROMA; } - if(s->divx_version>502){ + if(s->divx_version>502 && s->divx_build<1814){ s->workaround_bugs|= FF_BUG_QPEL_CHROMA2; } if(s->xvid_build && s->xvid_build<=3) s->padding_bug_score= 256*256*256*64; - + if(s->xvid_build && s->xvid_build<=1) s->workaround_bugs|= FF_BUG_QPEL_CHROMA; @@ -557,14 +487,14 @@ retry: if(s->lavc_build && s->lavc_build<4653) s->workaround_bugs|= FF_BUG_STD_QPEL; - + if(s->lavc_build && s->lavc_build<4655) s->workaround_bugs|= FF_BUG_DIRECT_BLOCKSIZE; if(s->lavc_build && s->lavc_build<4670){ s->workaround_bugs|= FF_BUG_EDGE; } - + if(s->lavc_build && s->lavc_build<=4712) s->workaround_bugs|= FF_BUG_DC_CLIP; @@ -577,7 +507,7 @@ retry: if(s->divx_version && s->divx_version<500){ s->workaround_bugs|= FF_BUG_EDGE; } - + if(s->divx_version) s->workaround_bugs|= FF_BUG_HPEL_CHROMA; #if 0 @@ -585,17 +515,17 @@ retry: s->padding_bug_score= 256*256*256*64; /* very ugly XVID padding bug detection FIXME/XXX solve this differently - * lets hope this at least works + * Let us hope this at least works. */ if( s->resync_marker==0 && s->data_partitioning==0 && s->divx_version==0 && 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 s->workaround_bugs|= FF_BUG_NO_PADDING; #endif } - + if(s->workaround_bugs& FF_BUG_STD_QPEL){ SET_QPEL_FUNC(qpel_pixels_tab[0][ 5], qpel16_mc11_old_c) SET_QPEL_FUNC(qpel_pixels_tab[0][ 7], qpel16_mc31_old_c) @@ -613,10 +543,10 @@ retry: } if(avctx->debug & FF_DEBUG_BUGS) - av_log(s->avctx, AV_LOG_DEBUG, "bugs: %X lavc_build:%d xvid_build:%d divx_version:%d divx_build:%d %s\n", + av_log(s->avctx, AV_LOG_DEBUG, "bugs: %X lavc_build:%d xvid_build:%d divx_version:%d divx_build:%d %s\n", 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; @@ -625,10 +555,12 @@ retry: } #endif -#ifdef HAVE_MMX - if(s->codec_id == CODEC_ID_MPEG4 && s->xvid_build && avctx->idct_algo == FF_IDCT_AUTO && (mm_flags & MM_MMX) && !(s->flags&CODEC_FLAG_BITEXACT)){ - avctx->idct_algo= FF_IDCT_LIBMPEG2MMX; +#if HAVE_MMX + if(s->codec_id == CODEC_ID_MPEG4 && s->xvid_build && avctx->idct_algo == FF_IDCT_AUTO && (mm_flags & FF_MM_MMX)){ + avctx->idct_algo= FF_IDCT_XVIDMMX; avctx->coded_width= 0; // force reinit +// dsputil_init(&s->dsp, avctx); + s->picture_number=0; } #endif @@ -636,8 +568,8 @@ retry: /* and other parameters. So then we could init the picture */ /* FIXME: By the way H263 decoder is evolving it should have */ /* an H263EncContext */ - - if ( s->width != avctx->coded_width + + if ( s->width != avctx->coded_width || s->height != avctx->coded_height) { /* H.263 could change picture size any time */ ParseContext pc= s->parse_context; //FIXME move these demuxng hack to avformat @@ -651,75 +583,96 @@ retry: goto retry; } - if((s->codec_id==CODEC_ID_H263 || s->codec_id==CODEC_ID_H263P)) + 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 == I_TYPE; + s->current_picture.key_frame= s->pict_type == FF_I_TYPE; - /* skip b frames if we dont have reference frames */ - if(s->last_picture_ptr==NULL && (s->pict_type==B_TYPE || s->dropable)) return get_consumed_bytes(s, buf_size); + /* 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==B_TYPE) return get_consumed_bytes(s, buf_size); + 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) + || 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==B_TYPE) + if(s->pict_type==FF_B_TYPE) 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){ + 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){ + s->me.qpel_put= s->dsp.put_qpel_pixels_tab; + s->me.qpel_avg= s->dsp.avg_qpel_pixels_tab; + }else{ + s->me.qpel_put= s->dsp.put_no_rnd_qpel_pixels_tab; + s->me.qpel_avg= s->dsp.avg_qpel_pixels_tab; + } + if(MPV_frame_start(s, avctx) < 0) return -1; -#ifdef DEBUG - printf("qscale=%d\n", s->qscale); -#endif + if (CONFIG_MPEG4_VDPAU_DECODER && (s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU)) { + ff_vdpau_mpeg4_decode_picture(s, buf, buf_size); + goto frame_end; + } + + if (avctx->hwaccel) { + if (avctx->hwaccel->start_frame(avctx, buf, buf_size) < 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 isnt available before MPV_frame_start() - if (s->msmpeg4_version==5){ - if(ff_wmv2_decode_secondary_picture_header(s) < 0) - return -1; + //which is not available before MPV_frame_start() + if (CONFIG_WMV2_DECODER && s->msmpeg4_version==5){ + ret = ff_wmv2_decode_secondary_picture_header(s); + if(ret<0) return ret; + if(ret==1) goto intrax8_decoded; } /* decode each macroblock */ - s->mb_x=0; + s->mb_x=0; s->mb_y=0; - + decode_slice(s); while(s->mb_ymb_height){ if(s->msmpeg4_version){ - if(s->mb_x!=0 || (s->mb_y%s->slice_height)!=0 || get_bits_count(&s->gb) > s->gb.size_in_bits) + 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{ if(ff_h263_resync(s)<0) break; } - + if(s->msmpeg4_version<4 && s->h263_pred) ff_mpeg4_clean_buffers(s); decode_slice(s); } - if (s->h263_msmpeg4 && s->msmpeg4_version<4 && s->pict_type==I_TYPE) - if(msmpeg4_decode_ext_header(s, buf_size) < 0){ + 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; } - + /* divx 5.01+ bistream reorder stuff */ if(s->codec_id==CODEC_ID_MPEG4 && s->bitstream_buffer_size==0 && s->divx_packed){ int current_pos= get_bits_count(&s->gb)>>3; int startcode_found=0; - if( buf_size - current_pos > 5 - && buf_size - current_pos < BITSTREAM_BUFFER_SIZE){ + if(buf_size - current_pos > 5){ int i; for(i=current_pos; ibitstream_buffer, + &s->allocated_bitstream_buffer_size, + buf_size - current_pos + FF_INPUT_BUFFER_PADDING_SIZE); + if (!s->bitstream_buffer) + return AVERROR(ENOMEM); memcpy(s->bitstream_buffer, buf + current_pos, buf_size - current_pos); s->bitstream_buffer_size= buf_size - current_pos; } } +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); 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==B_TYPE || s->low_delay){ - *pict= *(AVFrame*)&s->current_picture; - ff_print_debug_info(s, pict); - } else { - *pict= *(AVFrame*)&s->last_picture; - if(pict) - ff_print_debug_info(s, pict); + if (s->pict_type == FF_B_TYPE || s->low_delay) { + *pict= *(AVFrame*)s->current_picture_ptr; + } else if (s->last_picture_ptr != NULL) { + *pict= *(AVFrame*)s->last_picture_ptr; } - /* Return the Picture timestamp as the frame number */ - /* we substract 1 because it is added on utils.c */ - avctx->frame_number = s->picture_number - 1; - - /* dont output the last pic after seeking */ - if(s->last_picture_ptr || s->low_delay) + if(s->last_picture_ptr || s->low_delay){ *data_size = sizeof(AVFrame); + ff_print_debug_info(s, pict); + } + #ifdef PRINT_FRAME_TIME -printf("%Ld\n", rdtsc()-time); +av_log(avctx, AV_LOG_DEBUG, "%"PRId64"\n", rdtsc()-time); #endif return get_consumed_bytes(s, buf_size); } -static const AVOption mpeg4_decoptions[] = -{ - AVOPTION_SUB(avoptions_workaround_bug), - AVOPTION_END() -}; - AVCodec mpeg4_decoder = { "mpeg4", CODEC_TYPE_VIDEO, @@ -783,9 +738,10 @@ AVCodec mpeg4_decoder = { NULL, ff_h263_decode_end, ff_h263_decode_frame, - CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED, - .options = mpeg4_decoptions, + CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY, .flush= ff_mpeg_flush, + .long_name= NULL_IF_CONFIG_SMALL("MPEG-4 part 2"), + .pix_fmts= ff_hwaccel_pixfmt_list_420, }; AVCodec h263_decoder = { @@ -797,8 +753,10 @@ AVCodec h263_decoder = { NULL, ff_h263_decode_end, ff_h263_decode_frame, - CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED, + CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY, .flush= ff_mpeg_flush, + .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 = { @@ -811,7 +769,8 @@ AVCodec msmpeg4v1_decoder = { ff_h263_decode_end, ff_h263_decode_frame, CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1, - mpeg4_decoptions, + .long_name= NULL_IF_CONFIG_SMALL("MPEG-4 part 2 Microsoft variant version 1"), + .pix_fmts= ff_pixfmt_list_420, }; AVCodec msmpeg4v2_decoder = { @@ -824,7 +783,8 @@ AVCodec msmpeg4v2_decoder = { ff_h263_decode_end, ff_h263_decode_frame, CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1, - mpeg4_decoptions, + .long_name= NULL_IF_CONFIG_SMALL("MPEG-4 part 2 Microsoft variant version 2"), + .pix_fmts= ff_pixfmt_list_420, }; AVCodec msmpeg4v3_decoder = { @@ -837,7 +797,8 @@ AVCodec msmpeg4v3_decoder = { ff_h263_decode_end, ff_h263_decode_frame, CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1, - .options = mpeg4_decoptions, + .long_name= NULL_IF_CONFIG_SMALL("MPEG-4 part 2 Microsoft variant version 3"), + .pix_fmts= ff_pixfmt_list_420, }; AVCodec wmv1_decoder = { @@ -850,7 +811,8 @@ AVCodec wmv1_decoder = { ff_h263_decode_end, ff_h263_decode_frame, CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1, - mpeg4_decoptions, + .long_name= NULL_IF_CONFIG_SMALL("Windows Media Video 7"), + .pix_fmts= ff_pixfmt_list_420, }; AVCodec h263i_decoder = { @@ -863,7 +825,8 @@ AVCodec h263i_decoder = { ff_h263_decode_end, ff_h263_decode_frame, CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1, - mpeg4_decoptions, + .long_name = NULL_IF_CONFIG_SMALL("Intel H.263"), + .pix_fmts= ff_pixfmt_list_420, }; AVCodec flv_decoder = { @@ -875,13 +838,23 @@ AVCodec flv_decoder = { NULL, ff_h263_decode_end, ff_h263_decode_frame, - CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 + CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1, + .long_name= NULL_IF_CONFIG_SMALL("Flash Video (FLV) / Sorenson Spark / Sorenson H.263"), + .pix_fmts= ff_pixfmt_list_420, }; -AVCodecParser h263_parser = { - { CODEC_ID_H263 }, - sizeof(ParseContext), +#if CONFIG_MPEG4_VDPAU_DECODER +AVCodec mpeg4_vdpau_decoder = { + "mpeg4_vdpau", + CODEC_TYPE_VIDEO, + CODEC_ID_MPEG4, + sizeof(MpegEncContext), + ff_h263_decode_init, NULL, - h263_parse, - ff_parse_close, + ff_h263_decode_end, + ff_h263_decode_frame, + CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY | CODEC_CAP_HWACCEL_VDPAU, + .long_name= NULL_IF_CONFIG_SMALL("MPEG-4 part 2 (VDPAU)"), + .pix_fmts= (const enum PixelFormat[]){PIX_FMT_VDPAU_MPEG4, PIX_FMT_NONE}, }; +#endif