avcodec/dnxhddec: ask for samples with alpha

[ffmpeg] / libavcodec / vp9_superframe_bsf.c

diff --git a/libavcodec/vp9_superframe_bsf.c b/libavcodec/vp9_superframe_bsf.c
index 2ea49c672da1e3575b1387559c4b781da090feb8..ea6750750b0a49bd5830fe3a9c91685880cc7778 100644 (file)
--- a/libavcodec/vp9_superframe_bsf.c
+++ b/libavcodec/vp9_superframe_bsf.c
@@ -147,9 +147,7 @@ static int vp9_superframe_filter(AVBSFContext *ctx, AVPacket *out)
         goto done;
     }
 
-    res = av_packet_ref(s->cache[s->n_cache++], in);
-    if (res < 0)
-        goto done;
+    av_packet_move_ref(s->cache[s->n_cache++], in);
 
     if (invisible) {
         res = AVERROR(EAGAIN);
@@ -191,6 +189,17 @@ static int vp9_superframe_init(AVBSFContext *ctx)
     return 0;
 }
 
+static void vp9_superframe_flush(AVBSFContext *ctx)
+{
+    VP9BSFContext *s = ctx->priv_data;
+    int n;
+
+    // unref cached data
+    for (n = 0; n < s->n_cache; n++)
+        av_packet_unref(s->cache[n]);
+    s->n_cache = 0;
+}
+
 static void vp9_superframe_close(AVBSFContext *ctx)
 {
     VP9BSFContext *s = ctx->priv_data;
@@ -210,6 +219,7 @@ const AVBitStreamFilter ff_vp9_superframe_bsf = {
     .priv_data_size = sizeof(VP9BSFContext),
     .filter         = vp9_superframe_filter,
     .init           = vp9_superframe_init,
+    .flush          = vp9_superframe_flush,
     .close          = vp9_superframe_close,
     .codec_ids      = codec_ids,
 };