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reveal in project, improved still detection and playback, fixed some ripple crashes

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This commit is contained in:
itsmattkc
2018-10-22 09:25:24 +11:00
parent 386693d372
commit bbdc17a984
14 changed files with 242 additions and 97 deletions
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playback/cacher.cpp
+23 -15
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@@ -125,7 +125,7 @@ void cache_audio_worker(Clip* c, Clip* nest) {
#ifdef AUDIOWARNINGS
qDebug() << "reached EOF while reading";
#endif
// TODO likewise, I'm not sure if this if statement breaks anything (see equivalent section in cache_video_worker)
// TODO revise usage of reached_end in audio
if (!c->reverse) {
c->reached_end = true;
} else {
@@ -358,13 +358,27 @@ void cache_audio_worker(Clip* c, Clip* nest) {
void cache_video_worker(Clip* c, long playhead) {
int read_ret, send_ret, retr_ret;
int64_t target_pts = seconds_to_timestamp(c, playhead_to_clip_seconds(c, playhead));
int limit = c->max_queue_size;
if (c->reverse) limit *= 2;
/*if (c->reverse) {
bool found = false;
for (int i=0;i<c->queue.size();i++) {
if (target_pts > c->queue.at(i)->pts && target_pts <= c->queue.at(i)->pts + c->queue.at(i)->pkt_duration) {
found = true;
break;
}
}
if (!found) {
// we need like one more frame
limit = c->queue.size() + 1;
}
}*/
if (c->queue.size() < limit) {
int64_t eighth_second = av_q2d(av_inv_q(c->stream->time_base))*0.125;
int64_t smallest_pts = INT64_MAX;
int64_t target_pts = seconds_to_timestamp(c, playhead_to_clip_seconds(c, playhead));
if (c->reverse && c->queue.size() > 0) {
int64_t quarter_sec = qRound(av_q2d(av_inv_q(c->stream->time_base))) >> 2;
for (int i=0;i<c->queue.size();i++) {
@@ -392,8 +406,10 @@ void cache_video_worker(Clip* c, long playhead) {
send_it = true;
} else if (send_frame->pts > target_pts - eighth_second) {
send_it = true;
} else if (static_cast<Media*>(c->media)->get_stream_from_file_index(true, c->media_stream)->infinite_length) {
send_it = true;
} else {
qDebug() << "skipped adding a frame to the queue" << target_pts << "(" << send_frame->pts << send_frame->pkt_duration;
qDebug() << "skipped adding a frame to the queue - fpts:" << send_frame->pts << "target:" << target_pts;
}
if (send_it) {
@@ -447,15 +463,7 @@ void cache_video_worker(Clip* c, long playhead) {
break;
} else {
// remove earliest frame and loop to store another
int earliest_frame = 0;
for (int i=1;i<c->queue.size();i++) {
// TODO/NOTE: this will not work on sped up AND reversed video
if (c->queue.at(i)->pts < c->queue.at(earliest_frame)->pts) {
earliest_frame = i;
}
}
av_frame_free(&c->queue[earliest_frame]);
c->queue.removeAt(earliest_frame);
c->queue_remove_earliest();
}
// } else {
// break;
@@ -477,7 +485,7 @@ void reset_cache(Clip* c, long target_frame) {
if (!ms->infinite_length) {
if (c->stream->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
// clear current queue
c->clear_queue();
c->queue_clear();
// seeks to nearest keyframe (target_frame represents internal clip frame)
int64_t target_ts = seconds_to_timestamp(c, playhead_to_clip_seconds(c, target_frame));
@@ -585,7 +593,7 @@ void open_clip_worker(Clip* clip) {
clip->codecCtx = avcodec_alloc_context3(clip->codec);
avcodec_parameters_to_context(clip->codecCtx, clip->stream->codecpar);
clip->max_queue_size = (ms->infinite_length) ? 1 : qCeil(ms->video_frame_rate*0.25);
clip->max_queue_size = (ms->infinite_length) ? 1 : qCeil(ms->video_frame_rate*0.5);
if (ms->video_interlacing != VIDEO_PROGRESSIVE) clip->max_queue_size *= 2;
AVDictionary* opts = NULL;
@@ -783,7 +791,7 @@ void close_clip_worker(Clip* clip) {
clip->finished_opening = false;
if (clip->media_type == MEDIA_TYPE_FOOTAGE) {
clip->clear_queue();
clip->queue_clear();
avfilter_graph_free(&clip->filter_graph);