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avformat/avformat.h: elaborate documentation for avformat_open_input() on error condition

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Signed-off-by: Marth64 <marth64@proxyid.net>
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Marth64 2024-02-09 16:08:02 -06:00
parent 8ad2d1919f
commit 910e5a275d
1 changed files with 3 additions and 2 deletions
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libavformat/avformat.h
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@ -2296,7 +2296,7 @@ int av_probe_input_buffer(AVIOContext *pb, const AVInputFormat **fmt,
* which case an AVFormatContext is allocated by this
* function and written into ps.
* Note that a user-supplied AVFormatContext will be freed
* on failure.
* on failure and its pointer set to NULL.
* @param url URL of the stream to open.
* @param fmt If non-NULL, this parameter forces a specific input format.
* Otherwise the format is autodetected.
@ -2305,7 +2305,8 @@ int av_probe_input_buffer(AVIOContext *pb, const AVInputFormat **fmt,
* On return this parameter will be destroyed and replaced with
* a dict containing options that were not found. May be NULL.
*
* @return 0 on success, a negative AVERROR on failure.
* @return 0 on success; on failure: frees ps, sets its pointer to NULL,
* and returns a negative AVERROR.
*
* @note If you want to use custom IO, preallocate the format context and set its pb field.
*/