mirror of
https://github.com/mpv-player/mpv
synced 2024-12-16 03:45:23 +00:00
c7ee94590a
patch by Sergey Khlutchin, Elphel, Inc git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@19808 b3059339-0415-0410-9bf9-f77b7e298cf2
650 lines
22 KiB
C
650 lines
22 KiB
C
// read video frame
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#include "config.h"
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#include <stdio.h>
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#ifdef HAVE_MALLOC_H
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#include <malloc.h>
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#endif
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "mp_msg.h"
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#include "help_mp.h"
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#include "stream.h"
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#include "demuxer.h"
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#include "stheader.h"
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#include "parse_es.h"
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#include "mpeg_hdr.h"
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/* sub_cc (closed captions)*/
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#include "sub_cc.h"
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#ifdef USE_LIBAVCODEC_SO
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#include <ffmpeg/avcodec.h>
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#elif defined(USE_LIBAVCODEC)
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#include "libavcodec/avcodec.h"
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#else
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#define FF_INPUT_BUFFER_PADDING_SIZE 8
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#endif
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/* biCompression constant */
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#define BI_RGB 0L
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#ifdef STREAMING_LIVE555
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#include "demux_rtp.h"
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#endif
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static mp_mpeg_header_t picture;
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static int telecine=0;
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static float telecine_cnt=-2.5;
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int video_read_properties(sh_video_t *sh_video){
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demux_stream_t *d_video=sh_video->ds;
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enum {
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VIDEO_MPEG12,
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VIDEO_MPEG4,
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VIDEO_H264,
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VIDEO_OTHER
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} video_codec;
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if((d_video->demuxer->file_format == DEMUXER_TYPE_PVA) ||
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(d_video->demuxer->file_format == DEMUXER_TYPE_MPEG_ES) ||
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(d_video->demuxer->file_format == DEMUXER_TYPE_MPEG_GXF) ||
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(d_video->demuxer->file_format == DEMUXER_TYPE_MPEG_PES) ||
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(d_video->demuxer->file_format == DEMUXER_TYPE_MPEG_PS && ((! sh_video->format) || (sh_video->format==0x10000001) || (sh_video->format==0x10000002))) ||
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(d_video->demuxer->file_format == DEMUXER_TYPE_MPEG_TY) ||
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(d_video->demuxer->file_format == DEMUXER_TYPE_MPEG_TS && ((sh_video->format==0x10000001) || (sh_video->format==0x10000002)))
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#ifdef STREAMING_LIVE555
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|| ((d_video->demuxer->file_format == DEMUXER_TYPE_RTP) && demux_is_mpeg_rtp_stream(d_video->demuxer))
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#endif
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)
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video_codec = VIDEO_MPEG12;
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else if((d_video->demuxer->file_format == DEMUXER_TYPE_MPEG4_ES) ||
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((d_video->demuxer->file_format == DEMUXER_TYPE_MPEG_TS) && (sh_video->format==0x10000004)) ||
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((d_video->demuxer->file_format == DEMUXER_TYPE_MPEG_PS) && (sh_video->format==0x10000004))
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)
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video_codec = VIDEO_MPEG4;
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else if((d_video->demuxer->file_format == DEMUXER_TYPE_H264_ES) ||
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((d_video->demuxer->file_format == DEMUXER_TYPE_MPEG_TS) && (sh_video->format==0x10000005)) ||
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((d_video->demuxer->file_format == DEMUXER_TYPE_MPEG_PS) && (sh_video->format==0x10000005))
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)
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video_codec = VIDEO_H264;
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else
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video_codec = VIDEO_OTHER;
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// Determine image properties:
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switch(video_codec){
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case VIDEO_OTHER: {
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if((d_video->demuxer->file_format == DEMUXER_TYPE_ASF) || (d_video->demuxer->file_format == DEMUXER_TYPE_AVI)) {
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// display info:
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#if 0
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if(sh_video->bih->biCompression == BI_RGB &&
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(sh_video->video.fccHandler == mmioFOURCC('D', 'I', 'B', ' ') ||
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sh_video->video.fccHandler == mmioFOURCC('R', 'G', 'B', ' ') ||
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sh_video->video.fccHandler == mmioFOURCC('R', 'A', 'W', ' ') ||
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sh_video->video.fccHandler == 0)) {
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sh_video->format = mmioFOURCC(0, 'R', 'G', 'B') | sh_video->bih->biBitCount;
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}
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else
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#endif
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sh_video->format=sh_video->bih->biCompression;
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sh_video->disp_w=sh_video->bih->biWidth;
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sh_video->disp_h=abs(sh_video->bih->biHeight);
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#if 0
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/* hack to support decoding of mpeg1 chunks in AVI's with libmpeg2 -- 2002 alex */
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if ((sh_video->format == 0x10000001) ||
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(sh_video->format == 0x10000002) ||
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(sh_video->format == mmioFOURCC('m','p','g','1')) ||
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(sh_video->format == mmioFOURCC('M','P','G','1')) ||
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(sh_video->format == mmioFOURCC('m','p','g','2')) ||
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(sh_video->format == mmioFOURCC('M','P','G','2')) ||
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(sh_video->format == mmioFOURCC('m','p','e','g')) ||
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(sh_video->format == mmioFOURCC('M','P','E','G')))
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{
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int saved_pos, saved_type;
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/* demuxer pos saving is required for libavcodec mpeg decoder as it's
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reading the mpeg header self! */
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saved_pos = d_video->buffer_pos;
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saved_type = d_video->demuxer->file_format;
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d_video->demuxer->file_format = DEMUXER_TYPE_MPEG_ES;
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video_read_properties(sh_video);
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d_video->demuxer->file_format = saved_type;
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d_video->buffer_pos = saved_pos;
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// goto mpeg_header_parser;
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}
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#endif
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}
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break;
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}
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case VIDEO_MPEG4: {
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int pos = 0, vop_cnt=0, units[3];
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videobuf_len=0; videobuf_code_len=0;
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mp_msg(MSGT_DECVIDEO,MSGL_V,"Searching for Video Object Start code... ");fflush(stdout);
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while(1){
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int i=sync_video_packet(d_video);
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if(i<=0x11F) break; // found it!
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if(!i || !skip_video_packet(d_video)){
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mp_msg(MSGT_DECVIDEO,MSGL_V,"NONE :(\n");
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return 0;
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}
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}
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mp_msg(MSGT_DECVIDEO,MSGL_V,"OK!\n");
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if(!videobuffer) {
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videobuffer=(char*)memalign(8,VIDEOBUFFER_SIZE + FF_INPUT_BUFFER_PADDING_SIZE);
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if (videobuffer) memset(videobuffer+VIDEOBUFFER_SIZE, 0, FF_INPUT_BUFFER_PADDING_SIZE);
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else {
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mp_msg(MSGT_DECVIDEO,MSGL_ERR,MSGTR_ShMemAllocFail);
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return 0;
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}
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}
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mp_msg(MSGT_DECVIDEO,MSGL_V,"Searching for Video Object Layer Start code... ");fflush(stdout);
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while(1){
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int i=sync_video_packet(d_video);
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mp_msg(MSGT_DECVIDEO,MSGL_V,"M4V: 0x%X\n",i);
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if(i>=0x120 && i<=0x12F) break; // found it!
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if(!i || !read_video_packet(d_video)){
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mp_msg(MSGT_DECVIDEO,MSGL_V,"NONE :(\n");
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return 0;
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}
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}
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pos = videobuf_len+4;
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if(!read_video_packet(d_video)){
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mp_msg(MSGT_DECVIDEO,MSGL_ERR,"Can't read Video Object Layer Header\n");
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return 0;
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}
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mp4_header_process_vol(&picture, &(videobuffer[pos]));
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mp_msg(MSGT_DECVIDEO,MSGL_V,"OK! FPS SEEMS TO BE %.3f\nSearching for Video Object Plane Start code... ", sh_video->fps);fflush(stdout);
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mp4_init:
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while(1){
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int i=sync_video_packet(d_video);
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if(i==0x1B6) break; // found it!
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if(!i || !read_video_packet(d_video)){
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mp_msg(MSGT_DECVIDEO,MSGL_V,"NONE :(\n");
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return 0;
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}
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}
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pos = videobuf_len+4;
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if(!read_video_packet(d_video)){
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mp_msg(MSGT_DECVIDEO,MSGL_ERR,"Can't read Video Object Plane Header\n");
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return 0;
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}
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mp4_header_process_vop(&picture, &(videobuffer[pos]));
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units[vop_cnt] = picture.timeinc_unit;
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vop_cnt++;
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//mp_msg(MSGT_DECVIDEO,MSGL_V, "TYPE: %d, unit: %d\n", picture.picture_type, picture.timeinc_unit);
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if(!picture.fps) {
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int i, mn, md, mx, diff;
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if(vop_cnt < 3)
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goto mp4_init;
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i=0;
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mn = mx = units[0];
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for(i=0; i<3; i++) {
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if(units[i] < mn)
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mn = units[i];
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if(units[i] > mx)
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mx = units[i];
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}
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md = mn;
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for(i=0; i<3; i++) {
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if((units[i] > mn) && (units[i] < mx))
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md = units[i];
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}
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mp_msg(MSGT_DECVIDEO,MSGL_V, "MIN: %d, mid: %d, max: %d\n", mn, md, mx);
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if(mx - md > md - mn)
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diff = md - mn;
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else
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diff = mx - md;
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if(diff > 0){
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picture.fps = ((float)picture.timeinc_resolution) / diff;
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mp_msg(MSGT_DECVIDEO,MSGL_V, "FPS seems to be: %f, resolution: %d, delta_units: %d\n", picture.fps, picture.timeinc_resolution, diff);
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}
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}
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if(picture.fps) {
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sh_video->fps=picture.fps;
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sh_video->frametime=1.0/picture.fps;
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mp_msg(MSGT_DECVIDEO,MSGL_INFO, "FPS seems to be: %f\n", picture.fps);
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}
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mp_msg(MSGT_DECVIDEO,MSGL_V,"OK!\n");
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sh_video->format=0x10000004;
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break;
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}
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case VIDEO_H264: {
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int pos = 0;
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videobuf_len=0; videobuf_code_len=0;
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mp_msg(MSGT_DECVIDEO,MSGL_V,"Searching for sequence parameter set... ");fflush(stdout);
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while(1){
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int i=sync_video_packet(d_video);
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if((i&~0x60) == 0x107 && i != 0x107) break; // found it!
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if(!i || !skip_video_packet(d_video)){
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mp_msg(MSGT_DECVIDEO,MSGL_V,"NONE :(\n");
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return 0;
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}
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}
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mp_msg(MSGT_DECVIDEO,MSGL_V,"OK!\n");
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if(!videobuffer) {
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videobuffer=(char*)memalign(8,VIDEOBUFFER_SIZE + FF_INPUT_BUFFER_PADDING_SIZE);
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if (videobuffer) memset(videobuffer+VIDEOBUFFER_SIZE, 0, FF_INPUT_BUFFER_PADDING_SIZE);
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else {
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mp_msg(MSGT_DECVIDEO,MSGL_ERR,MSGTR_ShMemAllocFail);
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return 0;
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}
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}
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pos = videobuf_len+4;
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if(!read_video_packet(d_video)){
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mp_msg(MSGT_DECVIDEO,MSGL_ERR,"Can't read sequence parameter set\n");
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return 0;
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}
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h264_parse_sps(&picture, &(videobuffer[pos]), videobuf_len - pos);
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mp_msg(MSGT_DECVIDEO,MSGL_V,"Searching for picture parameter set... ");fflush(stdout);
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while(1){
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int i=sync_video_packet(d_video);
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mp_msg(MSGT_DECVIDEO,MSGL_V,"H264: 0x%X\n",i);
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if((i&~0x60) == 0x108 && i != 0x108) break; // found it!
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if(!i || !read_video_packet(d_video)){
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mp_msg(MSGT_DECVIDEO,MSGL_V,"NONE :(\n");
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return 0;
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}
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}
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mp_msg(MSGT_DECVIDEO,MSGL_V,"OK!\nSearching for Slice... ");fflush(stdout);
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while(1){
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int i=sync_video_packet(d_video);
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if((i&~0x60) == 0x101 || (i&~0x60) == 0x102 || (i&~0x60) == 0x105) break; // found it!
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if(!i || !read_video_packet(d_video)){
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mp_msg(MSGT_DECVIDEO,MSGL_V,"NONE :(\n");
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return 0;
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}
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}
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mp_msg(MSGT_DECVIDEO,MSGL_V,"OK!\n");
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sh_video->format=0x10000005;
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if(picture.fps) {
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sh_video->fps=picture.fps;
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sh_video->frametime=1.0/picture.fps;
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mp_msg(MSGT_DECVIDEO,MSGL_INFO, "FPS seems to be: %f\n", picture.fps);
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}
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break;
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}
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case VIDEO_MPEG12: {
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mpeg_header_parser:
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// Find sequence_header first:
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videobuf_len=0; videobuf_code_len=0;
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telecine=0; telecine_cnt=-2.5;
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mp_msg(MSGT_DECVIDEO,MSGL_V,"Searching for sequence header... ");fflush(stdout);
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while(1){
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int i=sync_video_packet(d_video);
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if(i==0x1B3) break; // found it!
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if(!i || !skip_video_packet(d_video)){
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if( mp_msg_test(MSGT_DECVIDEO,MSGL_V) ) mp_msg(MSGT_DECVIDEO,MSGL_V,"NONE :(\n");
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mp_msg(MSGT_DECVIDEO,MSGL_ERR,MSGTR_MpegNoSequHdr);
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return 0;
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}
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}
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mp_msg(MSGT_DECVIDEO,MSGL_V,"OK!\n");
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// sh_video=d_video->sh;sh_video->ds=d_video;
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// mpeg2_init();
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// ========= Read & process sequence header & extension ============
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if(!videobuffer) {
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videobuffer=(char*)memalign(8,VIDEOBUFFER_SIZE + FF_INPUT_BUFFER_PADDING_SIZE);
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if (videobuffer) memset(videobuffer+VIDEOBUFFER_SIZE, 0, FF_INPUT_BUFFER_PADDING_SIZE);
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else {
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mp_msg(MSGT_DECVIDEO,MSGL_ERR,MSGTR_ShMemAllocFail);
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return 0;
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}
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}
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if(!read_video_packet(d_video)){
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mp_msg(MSGT_DECVIDEO,MSGL_ERR,MSGTR_CannotReadMpegSequHdr);
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return 0;
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}
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if(mp_header_process_sequence_header (&picture, &videobuffer[4])) {
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mp_msg(MSGT_DECVIDEO,MSGL_ERR,MSGTR_BadMpegSequHdr);
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goto mpeg_header_parser;
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//return 0;
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}
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if(sync_video_packet(d_video)==0x1B5){ // next packet is seq. ext.
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// videobuf_len=0;
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int pos=videobuf_len;
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if(!read_video_packet(d_video)){
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mp_msg(MSGT_DECVIDEO,MSGL_ERR,MSGTR_CannotReadMpegSequHdrEx);
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return 0;
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}
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if(mp_header_process_extension (&picture, &videobuffer[pos+4])) {
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mp_msg(MSGT_DECVIDEO,MSGL_ERR,MSGTR_BadMpegSequHdrEx);
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return 0;
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}
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}
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// printf("picture.fps=%d\n",picture.fps);
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// display info:
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sh_video->format=picture.mpeg1?0x10000001:0x10000002; // mpeg video
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sh_video->fps=picture.fps;
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if(!sh_video->fps){
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// if(!force_fps){
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// fprintf(stderr,"FPS not specified (or invalid) in the header! Use the -fps option!\n");
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// return 0;
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// }
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sh_video->frametime=0;
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} else {
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sh_video->frametime=1.0/picture.fps;
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}
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sh_video->disp_w=picture.display_picture_width;
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sh_video->disp_h=picture.display_picture_height;
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// bitrate:
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if(picture.bitrate!=0x3FFFF) // unspecified/VBR ?
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sh_video->i_bps=picture.bitrate * 400 / 8;
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// info:
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mp_dbg(MSGT_DECVIDEO,MSGL_DBG2,"mpeg bitrate: %d (%X)\n",picture.bitrate,picture.bitrate);
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mp_msg(MSGT_DECVIDEO,MSGL_INFO,"VIDEO: %s %dx%d (aspect %d) %5.3f fps %5.1f kbps (%4.1f kbyte/s)\n",
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picture.mpeg1?"MPEG1":"MPEG2",
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sh_video->disp_w,sh_video->disp_h,
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picture.aspect_ratio_information,
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sh_video->fps,
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sh_video->i_bps * 8 / 1000.0,
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sh_video->i_bps / 1000.0 );
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break;
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}
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} // switch(file_format)
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return 1;
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}
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void ty_processuserdata( unsigned char* buf, int len );
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static void process_userdata(unsigned char* buf,int len){
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int i;
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/* if the user data starts with "CC", assume it is a CC info packet */
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if(len>2 && buf[0]=='C' && buf[1]=='C'){
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// mp_msg(MSGT_DECVIDEO,MSGL_DBG2,"video.c: process_userdata() detected Closed Captions!\n");
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if(subcc_enabled) subcc_process_data(buf+2,len-2);
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}
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if( len > 2 && buf[ 0 ] == 'T' && buf[ 1 ] == 'Y' )
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{
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ty_processuserdata( buf + 2, len - 2 );
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return;
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}
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if(verbose<2) return;
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printf( "user_data: len=%3d %02X %02X %02X %02X '",
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len, buf[0], buf[1], buf[2], buf[3]);
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for(i=0;i<len;i++)
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// if(buf[i]>=32 && buf[i]<127) putchar(buf[i]);
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if(buf[i]&0x60) putchar(buf[i]&0x7F);
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printf("'\n");
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}
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int video_read_frame(sh_video_t* sh_video,float* frame_time_ptr,unsigned char** start,int force_fps){
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demux_stream_t *d_video=sh_video->ds;
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demuxer_t *demuxer=d_video->demuxer;
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float frame_time=1;
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float pts1=d_video->pts;
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float pts=0;
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int picture_coding_type=0;
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// unsigned char* start=NULL;
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int in_size=0;
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*start=NULL;
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if(demuxer->file_format==DEMUXER_TYPE_MPEG_ES ||
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demuxer->file_format==DEMUXER_TYPE_MPEG_GXF ||
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demuxer->file_format==DEMUXER_TYPE_MPEG_PES ||
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(demuxer->file_format==DEMUXER_TYPE_MPEG_PS && ((! sh_video->format) || (sh_video->format==0x10000001) || (sh_video->format==0x10000002)))
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|| demuxer->file_format==DEMUXER_TYPE_PVA ||
|
|
((demuxer->file_format==DEMUXER_TYPE_MPEG_TS) && ((sh_video->format==0x10000001) || (sh_video->format==0x10000002)))
|
|
|| demuxer->file_format==DEMUXER_TYPE_MPEG_TY
|
|
#ifdef STREAMING_LIVE555
|
|
|| (demuxer->file_format==DEMUXER_TYPE_RTP && demux_is_mpeg_rtp_stream(demuxer))
|
|
#endif
|
|
){
|
|
int in_frame=0;
|
|
//float newfps;
|
|
//videobuf_len=0;
|
|
while(videobuf_len<VIDEOBUFFER_SIZE-MAX_VIDEO_PACKET_SIZE){
|
|
int i=sync_video_packet(d_video);
|
|
//void* buffer=&videobuffer[videobuf_len+4];
|
|
int start=videobuf_len+4;
|
|
if(in_frame){
|
|
if(i<0x101 || i>=0x1B0){ // not slice code -> end of frame
|
|
#if 0
|
|
// send END OF FRAME code:
|
|
videobuffer[videobuf_len+0]=0;
|
|
videobuffer[videobuf_len+1]=0;
|
|
videobuffer[videobuf_len+2]=1;
|
|
videobuffer[videobuf_len+3]=0xFF;
|
|
videobuf_len+=4;
|
|
#endif
|
|
if(!i) return -1; // EOF
|
|
break;
|
|
}
|
|
} else {
|
|
if(i==0x100){
|
|
pts=d_video->pts;
|
|
d_video->pts=0;
|
|
}
|
|
//if(i==0x100) in_frame=1; // picture startcode
|
|
if(i>=0x101 && i<0x1B0) in_frame=1; // picture startcode
|
|
else if(!i) return -1; // EOF
|
|
}
|
|
//if(grab_frames==2 && (i==0x1B3 || i==0x1B8)) grab_frames=1;
|
|
if(!read_video_packet(d_video)) return -1; // EOF
|
|
//printf("read packet 0x%X, len=%d\n",i,videobuf_len);
|
|
// process headers:
|
|
switch(i){
|
|
case 0x1B3: mp_header_process_sequence_header (&picture, &videobuffer[start]);break;
|
|
case 0x1B5: mp_header_process_extension (&picture, &videobuffer[start]);break;
|
|
case 0x1B2: process_userdata (&videobuffer[start], videobuf_len-start);break;
|
|
case 0x100: picture_coding_type=(videobuffer[start+1] >> 3) & 7;break;
|
|
}
|
|
}
|
|
|
|
// if(videobuf_len>max_framesize) max_framesize=videobuf_len; // debug
|
|
//printf("--- SEND %d bytes\n",videobuf_len);
|
|
// if(grab_frames==1){
|
|
// FILE *f=fopen("grab.mpg","ab");
|
|
// fwrite(videobuffer,videobuf_len-4,1,f);
|
|
// fclose(f);
|
|
// }
|
|
|
|
*start=videobuffer; in_size=videobuf_len;
|
|
//blit_frame=decode_video(video_out,sh_video,videobuffer,videobuf_len,drop_frame);
|
|
|
|
#if 1
|
|
// get mpeg fps:
|
|
//newfps=frameratecode2framerate[picture->frame_rate_code]*0.0001f;
|
|
if(sh_video->fps!=picture.fps) if(!force_fps && !telecine){
|
|
mp_msg(MSGT_CPLAYER,MSGL_WARN,"Warning! FPS changed %5.3f -> %5.3f (%f) [%d] \n",sh_video->fps,picture.fps,sh_video->fps-picture.fps,picture.frame_rate_code);
|
|
sh_video->fps=picture.fps;
|
|
sh_video->frametime=1.0/picture.fps;
|
|
}
|
|
#endif
|
|
|
|
// fix mpeg2 frametime:
|
|
frame_time=(picture.display_time)*0.01f;
|
|
picture.display_time=100;
|
|
videobuf_len=0;
|
|
|
|
telecine_cnt*=0.9; // drift out error
|
|
telecine_cnt+=frame_time-5.0/4.0;
|
|
mp_msg(MSGT_DECVIDEO,MSGL_DBG2,"\r telecine = %3.1f %5.3f \n",frame_time,telecine_cnt);
|
|
|
|
if(telecine){
|
|
frame_time=1;
|
|
if(telecine_cnt<-1.5 || telecine_cnt>1.5){
|
|
mp_msg(MSGT_DECVIDEO,MSGL_INFO,MSGTR_LeaveTelecineMode);
|
|
telecine=0;
|
|
}
|
|
} else
|
|
if(telecine_cnt>-0.5 && telecine_cnt<0.5 && !force_fps){
|
|
sh_video->fps=sh_video->fps*4/5;
|
|
sh_video->frametime=sh_video->frametime*5/4;
|
|
mp_msg(MSGT_DECVIDEO,MSGL_INFO,MSGTR_EnterTelecineMode);
|
|
telecine=1;
|
|
}
|
|
|
|
} else if((demuxer->file_format==DEMUXER_TYPE_MPEG4_ES) || ((demuxer->file_format==DEMUXER_TYPE_MPEG_TS) && (sh_video->format==0x10000004)) ||
|
|
((demuxer->file_format==DEMUXER_TYPE_MPEG_PS) && (sh_video->format==0x10000004))
|
|
){
|
|
//
|
|
while(videobuf_len<VIDEOBUFFER_SIZE-MAX_VIDEO_PACKET_SIZE){
|
|
int i=sync_video_packet(d_video);
|
|
if(!i) return -1;
|
|
if(!read_video_packet(d_video)) return -1; // EOF
|
|
if(i==0x1B6) break;
|
|
}
|
|
*start=videobuffer; in_size=videobuf_len;
|
|
videobuf_len=0;
|
|
|
|
} else if(demuxer->file_format==DEMUXER_TYPE_H264_ES || ((demuxer->file_format==DEMUXER_TYPE_MPEG_TS) && (sh_video->format==0x10000005)) ||
|
|
((demuxer->file_format==DEMUXER_TYPE_MPEG_PS) && (sh_video->format==0x10000005))
|
|
){
|
|
//
|
|
int in_picture = 0;
|
|
while(videobuf_len<VIDEOBUFFER_SIZE-MAX_VIDEO_PACKET_SIZE){
|
|
int i=sync_video_packet(d_video);
|
|
int pos = videobuf_len+4;
|
|
if(!i) return -1;
|
|
if(!read_video_packet(d_video)) return -1; // EOF
|
|
if((i&~0x60) == 0x107 && i != 0x107) {
|
|
h264_parse_sps(&picture, &(videobuffer[pos]), videobuf_len - pos);
|
|
if(picture.fps > 0) {
|
|
sh_video->fps=picture.fps;
|
|
sh_video->frametime=1.0/picture.fps;
|
|
}
|
|
i=sync_video_packet(d_video);
|
|
if(!i) return -1;
|
|
if(!read_video_packet(d_video)) return -1; // EOF
|
|
}
|
|
|
|
// here starts the access unit end detection code
|
|
// see the mail on MPlayer-dev-eng for details:
|
|
// Date: Sat, 17 Sep 2005 11:24:06 +0200
|
|
// Subject: Re: [MPlayer-dev-eng] [RFC] h264 ES parser problems
|
|
// Message-ID: <20050917092406.GA7699@rz.uni-karlsruhe.de>
|
|
if((i&~0x60) == 0x101 || (i&~0x60) == 0x102 || (i&~0x60) == 0x105)
|
|
// found VCL NAL with slice header i.e. start of current primary coded
|
|
// picture, so start scanning for the end now
|
|
in_picture = 1;
|
|
if (in_picture) {
|
|
i = sync_video_packet(d_video) & ~0x60; // code of next packet
|
|
if(i == 0x106 || i == 0x109) break; // SEI or access unit delim.
|
|
if(i == 0x101 || i == 0x102 || i == 0x105) {
|
|
// assuming arbitrary slice ordering is not allowed, the
|
|
// first_mb_in_slice (golomb encoded) value should be 0 then
|
|
// for the first VCL NAL in a picture
|
|
if (demux_peekc(d_video) & 0x80)
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
*start=videobuffer; in_size=videobuf_len;
|
|
videobuf_len=0;
|
|
|
|
} else {
|
|
// frame-based file formats: (AVI,ASF,MOV)
|
|
in_size=ds_get_packet(d_video,start);
|
|
if(in_size<0) return -1; // EOF
|
|
// if(in_size>max_framesize) max_framesize=in_size;
|
|
// blit_frame=decode_video(video_out,sh_video,start,in_size,drop_frame);
|
|
}
|
|
|
|
// vdecode_time=video_time_usage-vdecode_time;
|
|
|
|
//------------------------ frame decoded. --------------------
|
|
|
|
// Increase video timers:
|
|
sh_video->num_frames+=frame_time;
|
|
++sh_video->num_frames_decoded;
|
|
|
|
frame_time*=sh_video->frametime;
|
|
|
|
// override frame_time for variable/unknown FPS formats:
|
|
if(!force_fps) switch(demuxer->file_format){
|
|
case DEMUXER_TYPE_GIF:
|
|
case DEMUXER_TYPE_MATROSKA:
|
|
if(d_video->pts>0 && pts1>0 && d_video->pts>pts1)
|
|
frame_time=d_video->pts-pts1;
|
|
break;
|
|
#ifdef USE_TV
|
|
case DEMUXER_TYPE_TV:
|
|
#endif
|
|
case DEMUXER_TYPE_MOV:
|
|
case DEMUXER_TYPE_FILM:
|
|
case DEMUXER_TYPE_VIVO:
|
|
case DEMUXER_TYPE_OGG:
|
|
case DEMUXER_TYPE_ASF: {
|
|
float next_pts = ds_get_next_pts(d_video);
|
|
float d= next_pts > 0 ? next_pts - d_video->pts : d_video->pts-pts1;
|
|
if(d>=0){
|
|
if(d>0){
|
|
if((int)sh_video->fps==1000)
|
|
mp_msg(MSGT_CPLAYER,MSGL_V,"\navg. framerate: %d fps \n",(int)(1.0f/d));
|
|
sh_video->frametime=d; // 1ms
|
|
sh_video->fps=1.0f/d;
|
|
}
|
|
frame_time = d;
|
|
} else {
|
|
mp_msg(MSGT_CPLAYER,MSGL_WARN,"\nInvalid frame duration value (%5.3f/%5.3f => %5.3f). Defaulting to %5.3f sec.\n",d_video->pts,next_pts,d,frame_time);
|
|
// frame_time = 1/25.0;
|
|
}
|
|
}
|
|
break;
|
|
case DEMUXER_TYPE_LAVF:
|
|
if((int)sh_video->fps==1000 || (int)sh_video->fps<=1){
|
|
float next_pts = ds_get_next_pts(d_video);
|
|
float d= next_pts > 0 ? next_pts - d_video->pts : d_video->pts-pts1;
|
|
if(d>=0){
|
|
frame_time = d;
|
|
}
|
|
}
|
|
break;
|
|
case DEMUXER_TYPE_REAL:
|
|
{
|
|
double next_pts = ds_get_next_pts(d_video);
|
|
float d = next_pts > 0 ? next_pts - d_video->pts : d_video->pts - pts1;
|
|
|
|
frame_time = (d >= 0 && pts1 > 0) ? d : 0.001;
|
|
}
|
|
break;
|
|
}
|
|
|
|
if(demuxer->file_format==DEMUXER_TYPE_MPEG_PS ||
|
|
demuxer->file_format==DEMUXER_TYPE_MPEG_PES ||
|
|
((demuxer->file_format==DEMUXER_TYPE_MPEG_TS) && ((sh_video->format==0x10000001) || (sh_video->format==0x10000002))) ||
|
|
demuxer->file_format==DEMUXER_TYPE_MPEG_ES ||
|
|
demuxer->file_format==DEMUXER_TYPE_MPEG_TY){
|
|
|
|
// if(pts>0.0001) printf("\r!!! pts: %5.3f [%d] (%5.3f) \n",pts,picture_coding_type,i_pts);
|
|
|
|
sh_video->pts+=frame_time;
|
|
if(picture_coding_type<=2 && sh_video->i_pts){
|
|
// printf("XXX predict: %5.3f pts: %5.3f error=%5.5f \n",i_pts,d_video->pts2,i_pts-d_video->pts2);
|
|
sh_video->pts=sh_video->i_pts;
|
|
sh_video->i_pts=pts;
|
|
} else {
|
|
if(pts){
|
|
if(picture_coding_type<=2) sh_video->i_pts=pts;
|
|
else {
|
|
// printf("BBB predict: %5.3f pts: %5.3f error=%5.5f \n",pts,d_video->pts2,pts-d_video->pts2);
|
|
sh_video->pts=pts;
|
|
}
|
|
}
|
|
}
|
|
// printf("\rIII pts: %5.3f [%d] (%5.3f) \n",d_video->pts2,picture_coding_type,i_pts);
|
|
} else
|
|
sh_video->pts=d_video->pts;
|
|
|
|
if(frame_time_ptr) *frame_time_ptr=frame_time;
|
|
return in_size;
|
|
|
|
}
|
|
|