Context copied from open context cannot be treated as opened.
avcodec_open2 modifies context so reopening it is also questionable.
It is worth to warn when it happens.
Signed-off-by: Lukasz Marek <lukasz.m.lu...@gmail.com>
---
libavcodec/options.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libavcodec/options.c b/libavcodec/options.c
index 3dd5df3..dab5140 100644
--- a/libavcodec/options.c
+++ b/libavcodec/options.c
@@ -182,6 +182,9 @@ 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(src))
+ av_log(dest, AV_LOG_WARNING, "AVCodecContext is copied from opened
context.\n");
+
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",
--
1.9.1
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