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cleaned up after last rewrite

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This commit is contained in:
itsmattkc
2018-10-14 00:41:20 +11:00
parent 94efe97929
commit a00fe37b93
4 changed files with 51 additions and 76 deletions
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playback/cacher.cpp
+24 -33
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@@ -87,7 +87,7 @@ void cache_audio_worker(Clip* c, Clip* nest) {
{
double timebase = av_q2d(c->stream->time_base);
frame = c->cache_A.frames[0];
frame = c->queue.at(0);
// retrieve frame
bool new_frame = false;
@@ -98,7 +98,7 @@ void cache_audio_worker(Clip* c, Clip* nest) {
if (c->reverse && !c->audio_just_reset) {
avcodec_flush_buffers(c->codecCtx);
int64_t backtrack_seek = qMax(c->rev_target - static_cast<int64_t>(av_q2d(av_inv_q(c->stream->time_base))), static_cast<int64_t>(0));
int64_t backtrack_seek = qMax(c->reverse_target - static_cast<int64_t>(av_q2d(av_inv_q(c->stream->time_base))), static_cast<int64_t>(0));
av_seek_frame(c->formatCtx, c->stream->index, backtrack_seek, AVSEEK_FLAG_BACKWARD);
#ifdef AUDIOWARNINGS
if (backtrack_seek == 0) {
@@ -152,7 +152,7 @@ void cache_audio_worker(Clip* c, Clip* nest) {
if (c->reverse) {
if (loop > 1) {
AVFrame* rev_frame = c->cache_A.frames[1];
AVFrame* rev_frame = c->queue.at(1);
if (ret != AVERROR_EOF) {
if (loop == 2) {
#ifdef AUDIOWARNINGS
@@ -179,7 +179,7 @@ void cache_audio_worker(Clip* c, Clip* nest) {
rev_frame->nb_samples += frame->nb_samples;
// if (c->frame->pts == c->rev_target) {
if ((c->frame->pts >= c->rev_target) || (ret == AVERROR_EOF)) {
if ((c->frame->pts >= c->reverse_target) || (ret == AVERROR_EOF)) {
/*qDebug() << "time for the end of rev cache" << rev_frame->nb_samples << c->rev_target << c->frame->pts << c->frame->pkt_duration << c->frame->nb_samples;
qDebug() << "diff:" << (c->frame->pkt_pts + c->frame->pkt_duration) - c->rev_target;
int cutoff = qRound ((((c->frame->pkt_pts + c->frame->pkt_duration) - c->rev_target) * timebase) * c->sequence->audio_frequency);
@@ -191,7 +191,7 @@ void cache_audio_worker(Clip* c, Clip* nest) {
#ifdef AUDIOWARNINGS
qDebug() << "pre cutoff deets::: rev_frame.pts:" << rev_frame->pts << "rev_frame.nb_samples" << rev_frame->nb_samples << "rev_target:" << c->rev_target;
#endif
rev_frame->nb_samples = qRound(static_cast<double>(c->rev_target - rev_frame->pts) / c->stream->codecpar->sample_rate * sequence->audio_frequency);
rev_frame->nb_samples = qRound(static_cast<double>(c->reverse_target - rev_frame->pts) / c->stream->codecpar->sample_rate * sequence->audio_frequency);
#ifdef AUDIOWARNINGS
qDebug() << "post cutoff deets::" << rev_frame->nb_samples;
#endif
@@ -214,7 +214,7 @@ void cache_audio_worker(Clip* c, Clip* nest) {
}
delete [] temp_chars;
c->rev_target = rev_frame->pts;
c->reverse_target = rev_frame->pts;
frame = rev_frame;
break;
}
@@ -278,7 +278,7 @@ void cache_audio_worker(Clip* c, Clip* nest) {
}
}
if (c->reverse) frame = c->cache_A.frames[1];
if (c->reverse) frame = c->queue.at(1);
#ifdef AUDIOWARNINGS
qDebug() << "j" << c->frame_sample_index << nb_bytes;
@@ -359,6 +359,8 @@ void cache_video_worker(Clip* c) {
while (c->queue.size() < c->max_queue_size) {
AVFrame* frame = av_frame_alloc();
// SKIP TYPE SEEK
while ((retr_ret = av_buffersink_get_frame(c->buffersink_ctx, frame)) == AVERROR(EAGAIN)) {
AVFrame* send_frame = c->frame;
read_ret = (c->use_existing_frame) ? 0 : retrieve_next_frame(c, send_frame);
@@ -379,7 +381,7 @@ void cache_video_worker(Clip* c) {
}
if (retr_ret < 0) {
qDebug() << "[ERROR] Failed to retrieve frame from buffersink." << retr_ret;
if (retr_ret != AVERROR_EOF) qDebug() << "[ERROR] Failed to retrieve frame from buffersink." << retr_ret;
av_frame_free(&frame);
break;
} else {
@@ -457,7 +459,7 @@ void reset_cache(Clip* c, long target_frame) {
// seek (target_frame represents timeline timecode in frames, not clip timecode)
int64_t timestamp = seconds_to_timestamp(c, playhead_to_clip_seconds(c, target_frame)); // TODO qRound here might lead to clicking? or might fix it... who knows
if (c->reverse) {
c->rev_target = timestamp;
c->reverse_target = timestamp;
timestamp -= av_q2d(av_inv_q(c->stream->time_base));
#ifdef AUDIOWARNINGS
qDebug() << "seeking to" << timestamp << "(originally" << c->rev_target << ")";
@@ -562,11 +564,11 @@ void open_clip_worker(Clip* clip) {
*/
clip->skip_type = (clip->speed < 5) ? SKIP_TYPE_DISCARD : SKIP_TYPE_SEEK;
// create memory cache for video
clip->cache_size = (ms->infinite_length) ? 1 : ceil(av_q2d(clip->stream->avg_frame_rate)/4); // cache is half a second in total
// create memory cache for video (deprecated)
// clip->cache_size = (ms->infinite_length) ? 1 : ceil(av_q2d(clip->stream->avg_frame_rate)/4); // cache is half a second in total
// if (clip->skip_type == SKIP_TYPE_SEEK) clip->cache_size *= 2;
if (ms->video_interlacing != VIDEO_PROGRESSIVE) clip->cache_size *= 2;
// if (clip->skip_type == SKIP_TYPE_SEEK) clip->cache_size *= 2;
// if (ms->video_interlacing != VIDEO_PROGRESSIVE) clip->cache_size *= 2;
snprintf(filter_args, sizeof(filter_args), "video_size=%dx%d:pix_fmt=%d:time_base=%d/%d:pixel_aspect=%d/%d",
clip->stream->codecpar->width,
@@ -621,22 +623,18 @@ void open_clip_worker(Clip* clip) {
*/
// set up cache
clip->queue.append(av_frame_alloc());
if (clip->reverse) {
clip->cache_size = 2;
clip->cache_A.frames = new AVFrame* [clip->cache_size];
AVFrame* reverse_frame = av_frame_alloc();
// reverse cache frame
clip->cache_A.frames[1] = av_frame_alloc();
clip->cache_A.frames[1]->format = sample_format;
clip->cache_A.frames[1]->nb_samples = sequence->audio_frequency*2;
clip->cache_A.frames[1]->channel_layout = sequence->audio_layout;
clip->cache_A.frames[1]->channels = av_get_channel_layout_nb_channels(sequence->audio_layout);
av_frame_get_buffer(clip->cache_A.frames[1], 0);
} else {
clip->cache_size = 1;
clip->cache_A.frames = new AVFrame* [clip->cache_size];
reverse_frame->format = sample_format;
reverse_frame->nb_samples = sequence->audio_frequency*2;
reverse_frame->channel_layout = sequence->audio_layout;
reverse_frame->channels = av_get_channel_layout_nb_channels(sequence->audio_layout);
av_frame_get_buffer(reverse_frame, 0);
clip->queue.append(reverse_frame);
}
clip->cache_A.frames[0] = av_frame_alloc();
snprintf(filter_args, sizeof(filter_args), "time_base=%d/%d:sample_rate=%d:sample_fmt=%s:channel_layout=0x%" PRIx64,
clip->stream->time_base.num,
@@ -745,13 +743,6 @@ void close_clip_worker(Clip* clip) {
avcodec_close(clip->codecCtx);
avcodec_free_context(&clip->codecCtx);
avformat_close_input(&clip->formatCtx);
if (clip->track >= 0) {
for (int i=0;i<clip->cache_size;i++) {
av_frame_free(&clip->cache_A.frames[i]);
}
delete [] clip->cache_A.frames;
}
}
av_frame_free(&clip->frame);