arm try improve fast backward

Origin commit data
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Branch: master
Commit: 785f0bee1c
Author: max_10 <max_10@gmx.de>
Date: 2018-01-24 (Wed, 24 Jan 2018)


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This commit was generated by Migit
This commit is contained in:
max_10
2018-01-24 01:11:57 +01:00
parent bbedc17e75
commit 960f78ea17
2 changed files with 46 additions and 17 deletions

View File

@@ -588,8 +588,48 @@ static void FFMPEGThread(Context_t *context)
} }
continue; continue;
} }
if (context->playback->BackWard && av_gettime() >= showtime) {
context->output->Command(context, OUTPUT_CLEAR, "video");
if (bofcount == 1) {
showtime = av_gettime();
usleep(100000);
continue;
}
if (avContextTab[0]->iformat->flags & AVFMT_TS_DISCONT) {
off_t pos = avio_tell(avContextTab[0]->pb);
if (pos > 0) {
float br;
if (avContextTab[0]->bit_rate)
br = avContextTab[0]->bit_rate / 8.0;
else
br = 180000.0;
seek_target_bytes = (double)pos + (double)context->playback->Speed * 8.0 * br;
if (seek_target_bytes < 0)
seek_target_bytes = 1;
do_seek_target_bytes = 1;
}
}
else
{
int64_t currPts = -1;
context->playback->Command(context, PLAYBACK_PTS, &currPts);
seek_target_seconds = ((double)currPts / 90000.0 + context->playback->Speed) * AV_TIME_BASE;
if (seek_target_seconds < 0)
seek_target_seconds = AV_TIME_BASE;
do_seek_target_seconds = 1;
}
showtime = av_gettime() + 300000; //jump back every 300ms
}
else
{
bofcount = 0;
}
if (do_seek_target_seconds || do_seek_target_bytes) if (do_seek_target_seconds || do_seek_target_bytes)
{ {
int res = -1;
isWaitingForFinish = 0; isWaitingForFinish = 0;
if (do_seek_target_seconds) if (do_seek_target_seconds)
{ {
@@ -607,8 +647,9 @@ static void FFMPEGThread(Context_t *context)
{ {
seek_target_seconds += avContextTab[i]->start_time; seek_target_seconds += avContextTab[i]->start_time;
} }
//av_seek_frame(avContextTab[i], -1, seek_target_seconds, 0); res = avformat_seek_file(avContextTab[i], -1, INT64_MIN, seek_target_seconds, INT64_MAX, 0);
avformat_seek_file(avContextTab[i], -1, INT64_MIN, seek_target_seconds, INT64_MAX, 0); if (res < 0 && context->playback->BackWard)
bofcount = 1;
} }
else else
{ {
@@ -1784,7 +1825,7 @@ int32_t container_ffmpeg_update_tracks(Context_t *context, char *filename, int32
{ {
track.TimeScale = 1000; track.TimeScale = 1000;
} }
ffmpeg_printf(10, "bit_rate [%d]\n", get_codecpar(stream)->bit_rate); ffmpeg_printf(10, "bit_rate [%lld]\n", get_codecpar(stream)->bit_rate);
ffmpeg_printf(10, "time_base.den [%d]\n", stream->time_base.den); ffmpeg_printf(10, "time_base.den [%d]\n", stream->time_base.den);
ffmpeg_printf(10, "time_base.num [%d]\n", stream->time_base.num); ffmpeg_printf(10, "time_base.num [%d]\n", stream->time_base.num);
ffmpeg_printf(10, "width [%d]\n", get_codecpar(stream)->width); ffmpeg_printf(10, "width [%d]\n", get_codecpar(stream)->width);
@@ -1803,6 +1844,7 @@ int32_t container_ffmpeg_update_tracks(Context_t *context, char *filename, int32
ffmpeg_printf(10, "Stream has no duration so we take the duration from context\n"); ffmpeg_printf(10, "Stream has no duration so we take the duration from context\n");
track.duration = (int64_t) avContext->duration / 1000; track.duration = (int64_t) avContext->duration / 1000;
} }
ffmpeg_printf(10, "duration [%lld]\n", track.duration);
if (context->manager->video) if (context->manager->video)
{ {
if (get_codecpar(stream)->codec_id == AV_CODEC_ID_MPEG4) if (get_codecpar(stream)->codec_id == AV_CODEC_ID_MPEG4)

View File

@@ -96,20 +96,7 @@ static void SupervisorThread(Context_t *context)
playback_printf(10, ">\n"); playback_printf(10, ">\n");
while (context && context->playback && context->playback->isPlaying && !context->playback->abortRequested) while (context && context->playback && context->playback->isPlaying && !context->playback->abortRequested)
{ {
if (context->playback->BackWard != 0) usleep(100000);
{
/* Offset -3 seconds for backward
* so initial backward speed is 4x */
int64_t pos = (int64_t)context->playback->Speed - 3;
playback_printf(10, "Speed %d BackWard %d to seek %lld\n", context->playback->Speed, context->playback->BackWard, pos);
context->playback->isSeeking = 1;
context->output->Command(context, OUTPUT_CLEAR, NULL);
context->container->selectedContainer->Command(context, CONTAINER_SEEK, &pos);
context->playback->isSeeking = 0;
usleep(350000);
} else {
usleep(100000);
}
} }
playback_printf(10, "<\n"); playback_printf(10, "<\n");
hasThreadStarted = 2; hasThreadStarted = 2;