On 05/02/15 14:12, Vittorio Giovara wrote:
On Fri, Jan 23, 2015 at 7:15 PM, Vittorio Giovara
<[email protected]> wrote:
On Tue, Jan 13, 2015 at 1:55 PM, Vittorio Giovara
<[email protected]> wrote:
On Thu, Dec 4, 2014 at 8:09 PM, Vittorio Giovara
<[email protected]> wrote:
During remuxing avcodec_copy_context() is discouraged as certain fields
(such as codec_tag) could reflect invalid values between input and
output contextes.
---
libavformat/avformat.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index 4706f62..197a3f1 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -198,6 +198,10 @@
* be set to the timebase that the caller desires to use for this stream
(note
* that the timebase actually used by the muxer can be different, as will be
* described later).
+ * - It is advised to manually initialize only the relevant fields in
+ * AVCodecContext, rather than using @ref avcodec_copy_context() during
+ * remuxing: there is no guarantee that the codec context values remain valid
+ * for both input and output format contextes.
* - The caller may fill in additional information, such as @ref
* AVFormatContext.metadata "global" or @ref AVStream.metadata "per-stream"
* metadata, @ref AVFormatContext.chapters "chapters", @ref
--
1.9.3 (Apple Git-50)
ping
ping
ping
Ok.
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