decoder: cache still textures

2022-07-17 15:42:11 -07:00
parent 0d9727b6d2
commit 2a1e87c9a9
2 changed files with 15 additions and 2 deletions
@@ -37,7 +37,8 @@ namespace olive {

 const rational Decoder::kAnyTimecode = RATIONAL_MIN;

-Decoder::Decoder()
+Decoder::Decoder() :
+  cached_texture_(nullptr)
 {
  UpdateLastAccessed();
 }
@@ -106,7 +107,14 @@ TexturePtr Decoder::RetrieveVideo(Renderer *renderer, const rational &timecode,
    return nullptr;
  }

-  return RetrieveVideoInternal(renderer, timecode, divider, cancelled);
+  if (cached_texture_ && cached_time_ == timecode) {
+    return cached_texture_;
+  }
+
+  cached_texture_ = RetrieveVideoInternal(renderer, timecode, divider, cancelled);
+  cached_time_ = timecode;
+
+  return cached_texture_;
 }

 Decoder::RetrieveAudioStatus Decoder::RetrieveAudio(SampleBuffer &dest, const TimeRange &range, const AudioParams &params, const QString& cache_path, LoopMode loop_mode, RenderMode::Mode mode)
@@ -152,6 +160,8 @@ void Decoder::Close()

  UpdateLastAccessed();

+  cached_texture_ = nullptr;
+
  if (stream_.IsValid()) {
    CloseInternal();
    stream_.Reset();