avcodec/cbs: add a flush callback to CodedBitstreamType

Used to reset the codec's private internal state.

Signed-off-by: James Almer <jamrial@gmail.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/libavcodec/cbs.c b/libavcodec/cbs.c
index 7c1aa005c2..c8c526ab12 100644
--- a/libavcodec/cbs.c
+++ b/libavcodec/cbs.c
@@ -112,6 +112,12 @@ int ff_cbs_init(CodedBitstreamContext **ctx_ptr,
     return 0;
 }
 
+void ff_cbs_flush(CodedBitstreamContext *ctx)
+{
+    if (ctx->codec && ctx->codec->flush)
+        ctx->codec->flush(ctx);
+}
+
 void ff_cbs_close(CodedBitstreamContext **ctx_ptr)
 {
     CodedBitstreamContext *ctx = *ctx_ptr;