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-rw-r--r--demux/video.c527
1 files changed, 2 insertions, 525 deletions
diff --git a/demux/video.c b/demux/video.c
index 69749e03d1..48154905fe 100644
--- a/demux/video.c
+++ b/demux/video.c
@@ -32,530 +32,23 @@
#include "stream/stream.h"
#include "demux.h"
#include "stheader.h"
-#include "parse_es.h"
-#include "mpeg_hdr.h"
-
-/* sub_cc (closed captions)*/
-//#include "sub/sub_cc.h"
-
-/* biCompression constant */
-#define BI_RGB 0L
-
-static mp_mpeg_header_t picture;
-
-static int telecine=0;
-static float telecine_cnt=-2.5;
-
-typedef enum {
- VIDEO_MPEG12,
- VIDEO_MPEG4,
- VIDEO_H264,
- VIDEO_VC1,
- VIDEO_OTHER
-} video_codec_t;
-
-static video_codec_t find_video_codec(sh_video_t *sh_video)
-{
- demux_stream_t *d_video=sh_video->ds;
- int fmt = d_video->demuxer->file_format;
-
- if(
- (fmt == DEMUXER_TYPE_MPEG_ES) ||
- (fmt == DEMUXER_TYPE_MPEG_GXF) ||
- (fmt == DEMUXER_TYPE_MPEG_PES) ||
- (
- (fmt == DEMUXER_TYPE_MPEG_PS || fmt == DEMUXER_TYPE_MPEG_TS) &&
- ((! sh_video->format) || (sh_video->format==0x10000001) || (sh_video->format==0x10000002))
- )
- )
- return VIDEO_MPEG12;
- else if((fmt == DEMUXER_TYPE_MPEG4_ES) ||
- ((fmt == DEMUXER_TYPE_MPEG_TS) && (sh_video->format==0x10000004)) ||
- ((fmt == DEMUXER_TYPE_MPEG_PS) && (sh_video->format==0x10000004))
- )
- return VIDEO_MPEG4;
- else if((fmt == DEMUXER_TYPE_H264_ES) ||
- ((fmt == DEMUXER_TYPE_MPEG_TS) && (sh_video->format==0x10000005)) ||
- ((fmt == DEMUXER_TYPE_MPEG_PS) && (sh_video->format==0x10000005))
- )
- return VIDEO_H264;
- else if((fmt == DEMUXER_TYPE_MPEG_PS || fmt == DEMUXER_TYPE_MPEG_TS) &&
- (sh_video->format==mmioFOURCC('W', 'V', 'C', '1')))
- return VIDEO_VC1;
- else if (fmt == DEMUXER_TYPE_ASF && sh_video->bih && sh_video->bih->biCompression == mmioFOURCC('D', 'V', 'R', ' '))
- return VIDEO_MPEG12;
- else
- return VIDEO_OTHER;
-}
int video_read_properties(sh_video_t *sh_video){
-demux_stream_t *d_video=sh_video->ds;
-video_codec_t video_codec = find_video_codec(sh_video);
-// Determine image properties:
-switch(video_codec){
- case VIDEO_OTHER: {
- if((d_video->demuxer->file_format == DEMUXER_TYPE_ASF) || (d_video->demuxer->file_format == DEMUXER_TYPE_AVI)) {
- // display info:
- // in case no strf chunk has been seen in avi, we have no bitmap header
- if(!sh_video->bih) return 0;
- sh_video->format=sh_video->bih->biCompression;
- mp_set_video_codec_from_tag(sh_video);
- sh_video->disp_w=sh_video->bih->biWidth;
- sh_video->disp_h=abs(sh_video->bih->biHeight);
- }
- break;
- }
- case VIDEO_MPEG4: {
- int pos = 0, vop_cnt=0, units[3];
- videobuf_len=0; videobuf_code_len=0;
- mp_msg(MSGT_DECVIDEO,MSGL_V,"Searching for Video Object Start code... ");
- while(1){
- int i=sync_video_packet(d_video);
- if(i<=0x11F) break; // found it!
- if(!i || !skip_video_packet(d_video)){
- mp_msg(MSGT_DECVIDEO,MSGL_V,"NONE :(\n");
- return 0;
- }
- }
- mp_msg(MSGT_DECVIDEO,MSGL_V,"OK!\n");
- if(!videobuffer) {
- videobuffer = av_malloc(VIDEOBUFFER_SIZE + MP_INPUT_BUFFER_PADDING_SIZE);
- if (videobuffer) memset(videobuffer+VIDEOBUFFER_SIZE, 0, MP_INPUT_BUFFER_PADDING_SIZE);
- else {
- mp_tmsg(MSGT_DECVIDEO,MSGL_ERR,"Cannot allocate shared memory.\n");
- return 0;
- }
- }
- mp_msg(MSGT_DECVIDEO,MSGL_V,"Searching for Video Object Layer Start code... ");
- while(1){
- int i=sync_video_packet(d_video);
- mp_msg(MSGT_DECVIDEO,MSGL_V,"M4V: 0x%X\n",i);
- if(i>=0x120 && i<=0x12F) break; // found it!
- if(!i || !read_video_packet(d_video)){
- mp_msg(MSGT_DECVIDEO,MSGL_V,"NONE :(\n");
- return 0;
- }
- }
- pos = videobuf_len+4;
- if(!read_video_packet(d_video)){
- mp_msg(MSGT_DECVIDEO,MSGL_ERR,"Can't read Video Object Layer Header\n");
- return 0;
- }
- mp4_header_process_vol(&picture, &(videobuffer[pos]));
- mp_msg(MSGT_DECVIDEO,MSGL_V,"OK! FPS SEEMS TO BE %.3f\nSearching for Video Object Plane Start code... ", sh_video->fps);
- mp4_init:
- while(1){
- int i=sync_video_packet(d_video);
- if(i==0x1B6) break; // found it!
- if(!i || !read_video_packet(d_video)){
- mp_msg(MSGT_DECVIDEO,MSGL_V,"NONE :(\n");
- return 0;
- }
- }
- pos = videobuf_len+4;
- if(!read_video_packet(d_video)){
- mp_msg(MSGT_DECVIDEO,MSGL_ERR,"Can't read Video Object Plane Header\n");
- return 0;
- }
- mp4_header_process_vop(&picture, &(videobuffer[pos]));
- sh_video->disp_w = picture.display_picture_width;
- sh_video->disp_h = picture.display_picture_height;
- units[vop_cnt] = picture.timeinc_unit;
- vop_cnt++;
- //mp_msg(MSGT_DECVIDEO,MSGL_V, "TYPE: %d, unit: %d\n", picture.picture_type, picture.timeinc_unit);
- if(!picture.fps) {
- int i, mn, md, mx, diff;
- if(vop_cnt < 3)
- goto mp4_init;
-
- i=0;
- mn = mx = units[0];
- for(i=0; i<3; i++) {
- if(units[i] < mn)
- mn = units[i];
- if(units[i] > mx)
- mx = units[i];
- }
- md = mn;
- for(i=0; i<3; i++) {
- if((units[i] > mn) && (units[i] < mx))
- md = units[i];
- }
- mp_msg(MSGT_DECVIDEO,MSGL_V, "MIN: %d, mid: %d, max: %d\n", mn, md, mx);
- if(mx - md > md - mn)
- diff = md - mn;
- else
- diff = mx - md;
- if(diff > 0){
- picture.fps = ((float)picture.timeinc_resolution) / diff;
- mp_msg(MSGT_DECVIDEO,MSGL_V, "FPS seems to be: %f, resolution: %d, delta_units: %d\n", picture.fps, picture.timeinc_resolution, diff);
- }
- }
- if(picture.fps) {
- sh_video->fps=picture.fps;
- sh_video->frametime=1.0/picture.fps;
- mp_msg(MSGT_DECVIDEO,MSGL_INFO, "FPS seems to be: %f\n", picture.fps);
- }
- mp_msg(MSGT_DECVIDEO,MSGL_V,"OK!\n");
- sh_video->format=0x10000004;
- break;
- }
- case VIDEO_H264: {
- int pos = 0;
- videobuf_len=0; videobuf_code_len=0;
- mp_msg(MSGT_DECVIDEO,MSGL_V,"Searching for sequence parameter set... ");
- while(1){
- int i=sync_video_packet(d_video);
- if((i&~0x60) == 0x107 && i != 0x107) break; // found it!
- if(!i || !skip_video_packet(d_video)){
- mp_msg(MSGT_DECVIDEO,MSGL_V,"NONE :(\n");
- return 0;
- }
- }
- mp_msg(MSGT_DECVIDEO,MSGL_V,"OK!\n");
- if(!videobuffer) {
- videobuffer = av_malloc(VIDEOBUFFER_SIZE + MP_INPUT_BUFFER_PADDING_SIZE);
- if (videobuffer) memset(videobuffer+VIDEOBUFFER_SIZE, 0, MP_INPUT_BUFFER_PADDING_SIZE);
- else {
- mp_tmsg(MSGT_DECVIDEO,MSGL_ERR,"Cannot allocate shared memory.\n");
- return 0;
- }
- }
- pos = videobuf_len+4;
- if(!read_video_packet(d_video)){
- mp_msg(MSGT_DECVIDEO,MSGL_ERR,"Can't read sequence parameter set\n");
- return 0;
- }
- h264_parse_sps(&picture, &(videobuffer[pos]), videobuf_len - pos);
- sh_video->disp_w=picture.display_picture_width;
- sh_video->disp_h=picture.display_picture_height;
- mp_msg(MSGT_DECVIDEO,MSGL_V,"Searching for picture parameter set... ");
- while(1){
- int i=sync_video_packet(d_video);
- mp_msg(MSGT_DECVIDEO,MSGL_V,"H264: 0x%X\n",i);
- if((i&~0x60) == 0x108 && i != 0x108) break; // found it!
- if(!i || !read_video_packet(d_video)){
- mp_msg(MSGT_DECVIDEO,MSGL_V,"NONE :(\n");
- return 0;
- }
- }
- mp_msg(MSGT_DECVIDEO,MSGL_V,"OK!\nSearching for Slice... ");
- while(1){
- int i=sync_video_packet(d_video);
- if((i&~0x60) == 0x101 || (i&~0x60) == 0x102 || (i&~0x60) == 0x105) break; // found it!
- if(!i || !read_video_packet(d_video)){
- mp_msg(MSGT_DECVIDEO,MSGL_V,"NONE :(\n");
- return 0;
- }
- }
- mp_msg(MSGT_DECVIDEO,MSGL_V,"OK!\n");
- sh_video->format=0x10000005;
- if(picture.fps) {
- sh_video->fps=picture.fps;
- sh_video->frametime=1.0/picture.fps;
- mp_msg(MSGT_DECVIDEO,MSGL_INFO, "FPS seems to be: %f\n", picture.fps);
- }
- break;
- }
- case VIDEO_MPEG12: {
- if (d_video->demuxer->file_format == DEMUXER_TYPE_ASF) { // DVR-MS
- if(!sh_video->bih) return 0;
- sh_video->format=sh_video->bih->biCompression;
- }
-mpeg_header_parser:
- // Find sequence_header first:
- videobuf_len=0; videobuf_code_len=0;
- telecine=0; telecine_cnt=-2.5;
- mp_msg(MSGT_DECVIDEO,MSGL_V,"Searching for sequence header... ");
- while(1){
- int i=sync_video_packet(d_video);
- if(i==0x1B3) break; // found it!
- if(!i || !skip_video_packet(d_video)){
- if( mp_msg_test(MSGT_DECVIDEO,MSGL_V) ) mp_msg(MSGT_DECVIDEO,MSGL_V,"NONE :(\n");
- mp_tmsg(MSGT_DECVIDEO,MSGL_ERR,"MPEG: FATAL: EOF while searching for sequence header.\n");
- return 0;
- }
- }
- mp_msg(MSGT_DECVIDEO,MSGL_V,"OK!\n");
- // ========= Read & process sequence header & extension ============
- if(!videobuffer) {
- videobuffer = av_malloc(VIDEOBUFFER_SIZE + MP_INPUT_BUFFER_PADDING_SIZE);
- if (videobuffer) memset(videobuffer+VIDEOBUFFER_SIZE, 0, MP_INPUT_BUFFER_PADDING_SIZE);
- else {
- mp_tmsg(MSGT_DECVIDEO,MSGL_ERR,"Cannot allocate shared memory.\n");
- return 0;
- }
- }
-
- if(!read_video_packet(d_video)){
- mp_tmsg(MSGT_DECVIDEO,MSGL_ERR,"FATAL: Cannot read sequence header.\n");
- return 0;
- }
- if(mp_header_process_sequence_header (&picture, &videobuffer[4])) {
- mp_tmsg(MSGT_DECVIDEO,MSGL_ERR,"MPEG: bad sequence header\n");
- goto mpeg_header_parser;
- }
- if(sync_video_packet(d_video)==0x1B5){ // next packet is seq. ext.
- int pos=videobuf_len;
- if(!read_video_packet(d_video)){
- mp_tmsg(MSGT_DECVIDEO,MSGL_ERR,"FATAL: Cannot read sequence header extension.\n");
- return 0;
- }
- if(mp_header_process_extension (&picture, &videobuffer[pos+4])) {
- mp_tmsg(MSGT_DECVIDEO,MSGL_ERR,"MPEG: bad sequence header extension\n");
- return 0;
- }
- }
-
- // display info:
- sh_video->format=picture.mpeg1?0x10000001:0x10000002; // mpeg video
- sh_video->fps=picture.fps * picture.frame_rate_extension_n / picture.frame_rate_extension_d;
- if(!sh_video->fps){
- sh_video->frametime=0;
- } else {
- sh_video->frametime=1.0/sh_video->fps;
- }
- sh_video->disp_w=picture.display_picture_width;
- sh_video->disp_h=picture.display_picture_height;
- // bitrate:
- if(picture.bitrate!=0x3FFFF) // unspecified/VBR ?
- sh_video->i_bps=picture.bitrate * 400 / 8;
- // info:
- mp_dbg(MSGT_DECVIDEO,MSGL_DBG2,"mpeg bitrate: %d (%X)\n",picture.bitrate,picture.bitrate);
- mp_msg(MSGT_DECVIDEO,MSGL_INFO,"VIDEO: %s %dx%d (aspect %d) %5.3f fps %5.1f kbps (%4.1f kbyte/s)\n",
- picture.mpeg1?"MPEG1":"MPEG2",
- sh_video->disp_w,sh_video->disp_h,
- picture.aspect_ratio_information,
- sh_video->fps,
- sh_video->i_bps * 8 / 1000.0,
- sh_video->i_bps / 1000.0 );
- break;
- }
- case VIDEO_VC1: {
- // Find sequence_header:
- videobuf_len=0;
- videobuf_code_len=0;
- mp_msg(MSGT_DECVIDEO,MSGL_INFO,"Searching for VC1 sequence header... ");
- while(1){
- int i=sync_video_packet(d_video);
- if(i==0x10F) break; // found it!
- if(!i || !skip_video_packet(d_video)){
- if( mp_msg_test(MSGT_DECVIDEO,MSGL_V) ) mp_msg(MSGT_DECVIDEO,MSGL_V,"NONE :(\n");
- mp_msg(MSGT_DECVIDEO,MSGL_ERR, "Couldn't find VC-1 sequence header\n");
- return 0;
- }
- }
- mp_msg(MSGT_DECVIDEO,MSGL_INFO,"found\n");
- if(!videobuffer) {
- videobuffer = av_malloc(VIDEOBUFFER_SIZE + MP_INPUT_BUFFER_PADDING_SIZE);
- if (videobuffer) memset(videobuffer+VIDEOBUFFER_SIZE, 0, MP_INPUT_BUFFER_PADDING_SIZE);
- else {
- mp_tmsg(MSGT_DECVIDEO,MSGL_ERR,"Cannot allocate shared memory.\n");
- return 0;
- }
- }
- if(!read_video_packet(d_video)){
- mp_msg(MSGT_DECVIDEO,MSGL_ERR, "Couldn't read VC-1 sequence header!\n");
- return 0;
- }
-
- while(1) {
- int i=sync_video_packet(d_video);
- if(i==0x10E) break; // found it!
- if(!i || !skip_video_packet(d_video)){
- mp_msg(MSGT_DECVIDEO,MSGL_V,"Couldn't find VC-1 entry point sync-code:(\n");
- return 0;
- }
- }
- if(!read_video_packet(d_video)){
- mp_msg(MSGT_DECVIDEO,MSGL_V,"Couldn't read VC-1 entry point sync-code:(\n");
- return 0;
- }
-
- if(mp_vc1_decode_sequence_header(&picture, &videobuffer[4], videobuf_len-4)) {
- sh_video->bih = calloc(1, sizeof(*sh_video->bih) + videobuf_len);
- if(sh_video->bih == NULL) {
- mp_msg(MSGT_DECVIDEO,MSGL_ERR,"Couldn't alloc %zu bytes for VC-1 extradata!\n", sizeof(*sh_video->bih) + videobuf_len);
- return 0;
- }
- sh_video->bih->biSize= sizeof(*sh_video->bih) + videobuf_len;
- memcpy(sh_video->bih + 1, videobuffer, videobuf_len);
- sh_video->bih->biCompression = sh_video->format;
- sh_video->bih->biWidth = sh_video->disp_w = picture.display_picture_width;
- sh_video->bih->biHeight = sh_video->disp_h = picture.display_picture_height;
- if(picture.fps > 0) {
- sh_video->frametime=1.0/picture.fps;
- sh_video->fps = picture.fps;
- }
- mp_msg(MSGT_DECVIDEO,MSGL_INFO,"VIDEO: VC-1 %dx%d, %5.3f fps, header len: %d\n",
- sh_video->disp_w, sh_video->disp_h, sh_video->fps, videobuf_len);
- }
- break;
- }
-} // switch(file_format)
-if (d_video->demuxer->file_format == DEMUXER_TYPE_MPEG_PS ||
- d_video->demuxer->file_format == DEMUXER_TYPE_MPEG_TS)
- mp_set_video_codec_from_tag(sh_video);
return 1;
}
-static void process_userdata(const unsigned char* buf,int len){
- int i;
- /* if the user data starts with "CC", assume it is a CC info packet */
- if(len>2 && buf[0]=='C' && buf[1]=='C'){
-// mp_msg(MSGT_DECVIDEO,MSGL_DBG2,"video.c: process_userdata() detected Closed Captions!\n");
- //subcc_process_data(buf+2,len-2);
- }
- if(verbose<2) return;
- fprintf(stderr, "user_data: len=%3d %02X %02X %02X %02X '",
- len, buf[0], buf[1], buf[2], buf[3]);
- for(i=0;i<len;i++)
-// if(buf[i]>=32 && buf[i]<127) fputc(buf[i], stderr);
- if(buf[i]&0x60) fputc(buf[i]&0x7F, stderr);
- fprintf(stderr, "'\n");
-}
-
int video_read_frame(sh_video_t* sh_video,float* frame_time_ptr,unsigned char** start,int force_fps){
demux_stream_t *d_video=sh_video->ds;
demuxer_t *demuxer=d_video->demuxer;
float frame_time=1;
float pts1=d_video->pts;
- float pts=0;
- float fps;
- int picture_coding_type=0;
int in_size=0;
- video_codec_t video_codec = find_video_codec(sh_video);
*start=NULL;
- if(video_codec == VIDEO_MPEG12){
- 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(!i) return -1; // EOF
- break;
- }
- } else {
- if(i==0x100){
- pts=d_video->pts;
- d_video->pts=0;
- }
- if(i>=0x101 && i<0x1B0) in_frame=1; // picture startcode
- else if(!i) return -1; // EOF
- }
- if(!read_video_packet(d_video)) return -1; // EOF
- // 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;
- }
- }
- fps = picture.fps * picture.frame_rate_extension_n / picture.frame_rate_extension_d;
-
- *start=videobuffer; in_size=videobuf_len;
-
- // get mpeg fps:
- if(sh_video->fps!=fps) if(!force_fps && !telecine){
- mp_msg(MSGT_CPLAYER,MSGL_WARN,"Warning! FPS changed %5.3f -> %5.3f (%f) [%d] \n",sh_video->fps,fps,sh_video->fps-fps,picture.frame_rate_code);
- sh_video->fps=fps;
- sh_video->frametime=1.0/fps;
- }
-
- // 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_tmsg(MSGT_DECVIDEO,MSGL_INFO,"\ndemux_mpg: 30000/1001fps NTSC content detected, switching framerate.\n");
- 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_tmsg(MSGT_DECVIDEO,MSGL_INFO,"\ndemux_mpg: 24000/1001fps progressive NTSC content detected, switching framerate.\n");
- telecine=1;
- }
- } else if(video_codec == VIDEO_MPEG4){
- 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(video_codec == VIDEO_H264){
- 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 if(video_codec == VIDEO_VC1) {
- 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==0x10D) 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
- }
//------------------------ frame decoded. --------------------
@@ -564,14 +57,12 @@ int video_read_frame(sh_video_t* sh_video,float* frame_time_ptr,unsigned char**
// override frame_time for variable/unknown FPS formats:
if(!force_fps) switch(demuxer->file_format){
- case DEMUXER_TYPE_GIF:
case DEMUXER_TYPE_MATROSKA:
case DEMUXER_TYPE_MNG:
if(d_video->pts>0 && pts1>0 && d_video->pts>pts1)
frame_time=d_video->pts-pts1;
break;
- case DEMUXER_TYPE_TV:
- case DEMUXER_TYPE_ASF: {
+ case DEMUXER_TYPE_TV: {
double next_pts = ds_get_next_pts(d_video);
double d= (next_pts != MP_NOPTS_VALUE) ? next_pts - d_video->pts : d_video->pts-pts1;
if(d>=0){
@@ -599,21 +90,7 @@ int video_read_frame(sh_video_t* sh_video,float* frame_time_ptr,unsigned char**
break;
}
- if(video_codec == VIDEO_MPEG12){
- sh_video->pts+=frame_time;
- if(picture_coding_type==1)
- d_video->keyframe = true;
- if(picture_coding_type<=2 && sh_video->i_pts){
- 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 sh_video->pts=pts;
- }
- }
- } else
- sh_video->pts=d_video->pts;
+ sh_video->pts=d_video->pts;
if(frame_time_ptr) *frame_time_ptr=frame_time;
return in_size;