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libeplayer3: fix seeking

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This commit is contained in:
martii
2013-11-19 22:38:26 +01:00
parent ecf5bb30fb
commit 0feee1d3b4
2 changed files with 53 additions and 45 deletions
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5
libeplayer3/container/container.c
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@@ -62,6 +62,7 @@ static void printContainerCapabilities() {
}
static int selectContainer(Context_t *context, char * extension) {
#if 0
int i, j;
int ret = -1;
@@ -86,6 +87,10 @@ static int selectContainer(Context_t *context, char * extension) {
}
return ret;
#else
context->container->selectedContainer = AvailableContainer[0];
return 0;
#endif
}

93
libeplayer3/container/container_ffmpeg.c
View File

@@ -114,12 +114,10 @@ static off_t seek_target_bytes = 0;
static int do_seek_target_bytes = 0;
static int64_t seek_target_seconds = 0.0;
static int do_seek_target_seconds = 0;
static int seek_target_flag = 0;
/* ***************************** */
/* Prototypes */
/* ***************************** */
static int container_ffmpeg_seek_bytes(off_t pos);
static int container_ffmpeg_seek(Context_t *context, float sec, int absolute);
/* ***************************** */
@@ -329,6 +327,7 @@ static void FFMPEGThread(Context_t *context) {
threadname[16] = 0;
prctl (PR_SET_NAME, (unsigned long)&threadname);
int64_t lastPts = -1, currentVideoPts = -1, currentAudioPts = -1, showtime = 0, bofcount = 0;
off_t lastPos = -1;
AudioVideoOut_t avOut;
SwrContext *swr = NULL;
@@ -377,44 +376,61 @@ static void FFMPEGThread(Context_t *context) {
if(bofcount == 1)
{
showtime = av_gettime();
releaseMutex(FILENAME, __FUNCTION__,__LINE__);
usleep(100000);
continue;
}
if (lastPts < 0)
lastPts = (currentVideoPts > 0) ? currentVideoPts : currentAudioPts;
if (avContext->iformat->flags & AVFMT_TS_DISCONT) {
if (lastPos < 0)
lastPos = avio_tell(avContext->pb);
if (lastPts > 0) {
do_seek_target_seconds = 1;
do_seek_target_bytes = 0;
lastPts += context->playback->Speed * 8 * AV_TIME_BASE;
seek_target_seconds = lastPts;
seek_target_flag = 0;
showtime = av_gettime() + 300000; //jump back every 300ms
}
if (lastPos > 0) {
float br;
if (avContext->bit_rate)
br = avContext->bit_rate / 8.0;
else
br = 180000.0;
do_seek_target_seconds = 0;
do_seek_target_bytes = 1;
lastPos += context->playback->Speed * 8 * br;
seek_target_bytes = lastPos;
}
} else {
if (lastPts < 0)
lastPts = (currentVideoPts > 0) ? currentVideoPts : currentAudioPts;
if (lastPts > 0) {
do_seek_target_seconds = 1;
do_seek_target_bytes = 0;
lastPts += context->playback->Speed * 8 * AV_TIME_BASE;
seek_target_seconds = lastPts;
}
}
showtime = av_gettime() + 300000; //jump back every 300ms
} else {
bofcount = 0;
if (!context->playback->BackWard)
lastPts = -1;
lastPts = -1, lastPos = -1;
}
if (do_seek_target_seconds || do_seek_target_bytes) {
int res;
if (do_seek_target_seconds) {
int64_t seek_target_seconds_min = seek_target_seconds - 15 * AV_TIME_BASE;
if (seek_target_seconds < 0)
seek_target_seconds = 0;
if (seek_target_seconds_min < 0)
seek_target_seconds_min = 0;
res = avformat_seek_file(avContext, -1, seek_target_seconds_min, seek_target_seconds, INT64_MAX, seek_target_flag);
} else
res = container_ffmpeg_seek_bytes(seek_target_bytes);
res = avformat_seek_file(avContext, -1, INT64_MIN, seek_target_seconds, INT64_MAX, 0);
} else {
if (seek_target_bytes < 0)
seek_target_bytes = 0;
res = avformat_seek_file(avContext, -1, INT64_MIN, seek_target_bytes, INT64_MAX, AVSEEK_FLAG_BYTE);
}
if (res < 0 && context->playback->BackWard)
bofcount = 1;
do_seek_target_seconds = do_seek_target_bytes = 0;
restart_audio_resampling = 1;
latestPts = 0;
seek_target_flag = 0;
// flush streams
unsigned int i;
@@ -427,8 +443,18 @@ static void FFMPEGThread(Context_t *context) {
AVPacket packet;
av_init_packet(&packet);
if (av_read_frame(avContext, &packet) == 0 )
{
int av_res = av_read_frame(avContext, &packet);
if (av_res == AVERROR(EAGAIN)) {
av_free_packet(&packet);
releaseMutex(FILENAME, __FUNCTION__,__LINE__);
continue;
}
if (av_res) { // av_read_frame failed
ffmpeg_err("no data ->end of file reached ?\n");
av_free_packet(&packet);
releaseMutex(FILENAME, __FUNCTION__,__LINE__);
break; // while
}
long long int pts;
Track_t * videoTrack = NULL;
Track_t * audioTrack = NULL;
@@ -816,12 +842,6 @@ static void FFMPEGThread(Context_t *context) {
//ffmpeg_err("writing data to teletext fifo failed\n");
}
}
} else { // av_read_frame failed
ffmpeg_err("no data ->end of file reached ? \n");
av_free_packet(&packet);
releaseMutex(FILENAME, __FUNCTION__,__LINE__);
break; // while
}
av_free_packet(&packet);
releaseMutex(FILENAME, __FUNCTION__,__LINE__);
@@ -1424,27 +1444,10 @@ static int container_ffmpeg_stop(Context_t *context) {
return ret;
}
static int container_ffmpeg_seek_bytes(off_t pos) {
int flag = AVSEEK_FLAG_BYTE;
ffmpeg_printf(20, "seeking to position %lld (bytes)\n", pos);
if (avformat_seek_file(avContext, -1, INT64_MIN, pos, INT64_MAX, flag) < 0)
{
ffmpeg_err( "Error seeking\n");
return cERR_CONTAINER_FFMPEG_ERR;
}
ffmpeg_printf(30, "current_pos after seek %lld\n", avio_tell(avContext->pb));
return cERR_CONTAINER_FFMPEG_NO_ERROR;
}
static int container_ffmpeg_seek(Context_t *context, float sec, int absolute) {
Track_t * videoTrack = NULL;
Track_t * audioTrack = NULL;
Track_t * current = NULL;
seek_target_flag = 0;
if (absolute) {
ffmpeg_printf(10, "goto %f sec\n", sec);