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Code Issues Releases Activity

Switch ffplay to new seeking API.

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Originally committed as revision 17958 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2009-03-14 16:24:30 +00:00
parent b82744c9ae
commit 4ed29207c2
1 changed files with 10 additions and 14 deletions
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24
ffplay.c
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@ -110,6 +110,7 @@ typedef struct VideoState {
int seek_req;
int seek_flags;
int64_t seek_pos;
int64_t seek_rel;
AVFormatContext *ic;
int dtg_active_format;
@ -984,11 +985,11 @@ static double get_master_clock(VideoState *is)
}
/* seek in the stream */
static void stream_seek(VideoState *is, int64_t pos, int rel)
static void stream_seek(VideoState *is, int64_t pos, int64_t rel)
{
if (!is->seek_req) {
is->seek_pos = pos;
is->seek_flags = rel < 0 ? AVSEEK_FLAG_BACKWARD : 0;
is->seek_rel = rel;
if (seek_by_bytes)
is->seek_flags |= AVSEEK_FLAG_BYTE;
is->seek_req = 1;
@ -1962,7 +1963,7 @@ static int decode_thread(void *arg)
/* add the stream start time */
if (ic->start_time != AV_NOPTS_VALUE)
timestamp += ic->start_time;
ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
ret = avformat_seek_file(ic, -1, INT64_MIN, timestamp, INT64_MAX, 0);
if (ret < 0) {
fprintf(stderr, "%s: could not seek to position %0.3f\n",
is->filename, (double)timestamp / AV_TIME_BASE);
@ -2035,18 +2036,13 @@ static int decode_thread(void *arg)
}
#endif
if (is->seek_req) {
int stream_index= -1;
int64_t seek_target= is->seek_pos;
int64_t seek_min= is->seek_rel > 0 ? seek_target - is->seek_rel + 2: INT64_MIN;
int64_t seek_max= is->seek_rel < 0 ? seek_target - is->seek_rel - 2: INT64_MAX;
//FIXME the +-2 is due to rounding being not done in the correct direction in generation
// of the seek_pos/seek_rel variables
if (is-> video_stream >= 0) stream_index= is-> video_stream;
else if(is-> audio_stream >= 0) stream_index= is-> audio_stream;
else if(is->subtitle_stream >= 0) stream_index= is->subtitle_stream;
if(stream_index>=0){
seek_target= av_rescale_q(seek_target, AV_TIME_BASE_Q, ic->streams[stream_index]->time_base);
}
ret = av_seek_frame(is->ic, stream_index, seek_target, is->seek_flags);
ret = avformat_seek_file(is->ic, -1, seek_min, seek_target, seek_max, is->seek_flags);
if (ret < 0) {
fprintf(stderr, "%s: error while seeking\n", is->ic->filename);
}else{
@ -2346,7 +2342,7 @@ static void event_loop(void)
} else {
pos = get_master_clock(cur_stream);
pos += incr;
stream_seek(cur_stream, (int64_t)(pos * AV_TIME_BASE), incr);
stream_seek(cur_stream, (int64_t)(pos * AV_TIME_BASE), (int64_t)(incr * AV_TIME_BASE));
}
}
break;