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/***
Olive - Non-Linear Video Editor
Copyright (C) 2019 Olive Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
***/
#include "cache.h"
#include <QLinkedList>
#include <QMatrix4x4>
#include "project/item/sequence/sequence.h"
OLIVE_NAMESPACE_ENTER
CacheTask::CacheTask(RenderBackend *backend, bool in_out_only) :
RenderTask(backend),
in_out_only_(in_out_only)
{
Init();
}
CacheTask::CacheTask(ViewerOutput* viewer, const VideoParams& vparams, const AudioParams &aparams, bool in_out_only) :
RenderTask(viewer, vparams, aparams),
in_out_only_(in_out_only)
{
Init();
}
bool CacheTask::Run()
{
// Get list of invalidated ranges
TimeRangeList video_range = viewer()->video_frame_cache()->GetInvalidatedRanges();
TimeRangeList audio_range = viewer()->audio_playback_cache()->GetInvalidatedRanges();
// If we're caching only in-out, limit the range to that
if (in_out_only_) {
Sequence* s = static_cast<Sequence*>(viewer()->parent());
if (s->workarea()->enabled()) {
video_range = video_range.Intersects(s->workarea()->range());
audio_range = audio_range.Intersects(s->workarea()->range());
}
}
Render(video_range, audio_range, true);
download_threads_.waitForDone();
return true;
}
QFuture<void> CacheTask::DownloadFrame(FramePtr frame, const QByteArray &hash)
{
return QtConcurrent::run(&download_threads_, FrameHashCache::SaveCacheFrame, hash, frame);
}
void CacheTask::FrameDownloaded(const QByteArray &hash, const std::list<rational> ×)
{
foreach (const rational& t, times) {
viewer()->video_frame_cache()->SetHash(t, hash, job_time());
}
}
void CacheTask::AudioDownloaded(const TimeRange &range, SampleBufferPtr samples)
{
if (samples) {
viewer()->audio_playback_cache()->WritePCM(range, samples, job_time());
} else {
viewer()->audio_playback_cache()->WriteSilence(range);
}
}
void CacheTask::Init()
{
SetTitle(tr("Caching \"%1\"").arg(viewer()->media_name()));
backend()->EnablePreviewGeneration(job_time());
// Render fastest quality
backend()->SetRenderMode(RenderMode::kOffline);
}
OLIVE_NAMESPACE_EXIT
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