On 05/03/2014 03:13 PM, Anton Khirnov wrote:
If a non-NULL codec was passed to avcodec_alloc_context3(), private data
will be already allocated in dest.
---
libavcodec/options.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/libavcodec/options.c b/libavcodec/options.c
index 2e41ce4..c28cbeb 100644
--- a/libavcodec/options.c
+++ b/libavcodec/options.c
@@ -137,6 +137,9 @@ AVCodecContext *avcodec_alloc_context3(const AVCodec *codec)
int avcodec_copy_context(AVCodecContext *dest, const AVCodecContext *src)
{
+ const AVCodec *orig_codec = dest->codec;
+ uint8_t *orig_priv_data = dest->priv_data;
+
if (avcodec_is_open(dest)) { // check that the dest context is
uninitialized
av_log(dest, AV_LOG_ERROR,
"Tried to copy AVCodecContext %p into already-initialized
%p\n",
@@ -145,9 +148,10 @@ int avcodec_copy_context(AVCodecContext *dest, const
AVCodecContext *src)
}
memcpy(dest, src, sizeof(*dest));
+ dest->priv_data = orig_priv_data;
+ dest->codec = orig_codec;
+
/* set values specific to opened codecs back to their default state */
- dest->priv_data = NULL;
- dest->codec = NULL;
dest->slice_offset = NULL;
dest->hwaccel = NULL;
dest->internal = NULL;
LGTM
-Justin
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