1 files changed, 13 insertions, 3 deletions
diff --git a/ffmpeg_backend.cpp b/ffmpeg_backend.cpp
index f437285..6f0aeb5 100644
--- a/ffmpeg_backend.cpp
+++ b/ffmpeg_backend.cpp
@@ -86,10 +86,20 @@ bool32 AV_IsFileSupported(char *filename)
     return 1;
 }
 
-void AV_Init(source *Source, layer_bitmap_info *BitmapInfo, memory *Memory)
+// Note that we can't get away with not having to keep track of the AV pointer
+// for undos by clearing/reallocing these contexts every frame since the state
+// of the PTS value is stored inside FileFormatContext.
+void AV_Dealloc(av_info *AV)
+{
+    Assert(AV);
+    avformat_free_context(AV->FileFormatContext);
+    avcodec_free_context(&AV->VideoCodecContext);
+    av_packet_free(&AV->VideoPacket);
+    av_frame_free(&AV->VideoFrame);
+};
+
+void AV_Init(source *Source, av_info *AV, memory *Memory)
 {
-    BitmapInfo->AVInfo = AllocateMemory(Memory, sizeof(av_info), P_AVInfo);
-    av_info *AV = (av_info *)BitmapInfo->AVInfo;
     *AV = {};
 
     int32 err = 0;