RepoMirrors/ffmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2025-03-11 06:58:18 +00:00
Code Issues Projects Releases Wiki Activity

timestamp discontinuity correction try #1

Browse Source 
Originally committed as revision 3218 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2004-06-12 03:41:36 +00:00
parent a6a92a9aa6
commit 72bd81008e
1 changed files with 23 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
ffmpeg.c
View File

@ -202,6 +202,7 @@ static char *pass_logfilename = NULL;
static int audio_stream_copy = 0;
static int video_stream_copy = 0;
static int sync_method= 1;
static int copy_ts= 0;
static int rate_emu = 0;
@ -616,13 +617,16 @@ static void do_video_out(AVFormatContext *s,
nb_frames = 0;
else if (vdelta > 1.1)
nb_frames = 2;
//printf("vdelta:%f, ost->sync_opts:%lld, ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, ost->sync_ipts, nb_frames);
//fprintf(stderr, "vdelta:%f, ost->sync_opts:%lld, ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, ost->sync_ipts, nb_frames);
}
if (nb_frames == 0)
if (nb_frames == 0){
++nb_frames_drop;
else if (nb_frames == 2) {
if (verbose>2)
fprintf(stderr, "*** drop!\n");
}else if (nb_frames == 2) {
++nb_frames_dup;
//printf("*** dup!\n");
if (verbose>2)
fprintf(stderr, "*** dup!\n");
}
ost->sync_opts+= nb_frames;
@ -1693,6 +1697,20 @@ static int av_encode(AVFormatContext **output_files,
if (ist->discard)
goto discard_packet;
// fprintf(stderr, "next:%lld dts:%lld off:%lld %d\n", ist->next_pts, pkt.dts, input_files_ts_offset[ist->file_index], ist->st->codec.codec_type);
if (pkt.dts != AV_NOPTS_VALUE) {
int64_t delta= pkt.dts - ist->next_pts;
if(ABS(delta) > 10LL*AV_TIME_BASE && !copy_ts){
input_files_ts_offset[ist->file_index]-= delta;
if (verbose > 2)
fprintf(stderr, "timestamp discontinuity %lld, new offset= %lld\n", delta, input_files_ts_offset[ist->file_index]);
for(i=0; i<file_table[file_index].nb_streams; i++){
int index= file_table[file_index].ist_index + i;
ist_table[index]->next_pts += delta;
}
}
}
//fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
@ -2652,8 +2670,6 @@ static void opt_input_file(const char *filename)
input_files[nb_input_files] = ic;
input_files_ts_offset[nb_input_files] = input_ts_offset;
if (ic->start_time != AV_NOPTS_VALUE && 0)
input_files_ts_offset[nb_input_files] -= ic->start_time;
/* dump the file content */
if (verbose >= 0)
dump_format(ic, nb_input_files, filename, 0);
@ -3544,6 +3560,7 @@ const OptionDef options[] = {
{ "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\" or \"dvd\")", "type" },
{ "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
{ "sync", HAS_ARG | OPT_EXPERT, {(void*)opt_sync_method}, "sync method", "" },
{ "copyts", OPT_BOOL | OPT_EXPERT, {(void*)&copy_ts}, "copy timestamps" },
/* video options */
{ "b", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate}, "set video bitrate (in kbit/s)", "bitrate" },