[FFmpeg-devel] [PATCH] vda: fix crash when a frame is dropped.
Sebastien Zwickert
dilaroga at gmail.com
Tue Jan 21 09:35:44 CET 2014
From: Xidorn Quan <quanxunzhen at gmail.com>
---
libavcodec/vda.h | 6 ++++++
libavcodec/vda_h264.c | 3 +++
2 files changed, 9 insertions(+)
diff --git a/libavcodec/vda.h b/libavcodec/vda.h
index b3d6399..2f68188 100644
--- a/libavcodec/vda.h
+++ b/libavcodec/vda.h
@@ -41,6 +41,12 @@
#include "libavcodec/version.h"
+// extra flags not defined in VDADecoder.h
+enum {
+ kVDADecodeInfo_Asynchronous = 1UL << 0,
+ kVDADecodeInfo_FrameDropped = 1UL << 1
+};
+
/**
* @defgroup lavc_codec_hwaccel_vda VDA
* @ingroup lavc_codec_hwaccel
diff --git a/libavcodec/vda_h264.c b/libavcodec/vda_h264.c
index e0561e2..1eff671 100644
--- a/libavcodec/vda_h264.c
+++ b/libavcodec/vda_h264.c
@@ -41,6 +41,9 @@ static void vda_decoder_callback(void *vda_hw_ctx,
{
struct vda_context *vda_ctx = vda_hw_ctx;
+ if (infoFlags & kVDADecodeInfo_FrameDropped)
+ vda_ctx->cv_buffer = NULL;
+
if (!image_buffer)
return;
--
1.8.3.4 (Apple Git-47)
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