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avutil/opt: add a note about the av_opt_{get,set}_chlayout() behavior 

Based on the one for av_opt_set_dict_val().

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2024-05-06 12:23:30 -03:00
parent 894879a1df
commit 2987c65caa
1 changed files with 8 additions and 0 deletions
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8
libavutil/opt.h
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@ -797,6 +797,10 @@ int av_opt_set_image_size(void *obj, const char *name, int w, int h, int search_
int av_opt_set_pixel_fmt (void *obj, const char *name, enum AVPixelFormat fmt, int search_flags);
int av_opt_set_sample_fmt(void *obj, const char *name, enum AVSampleFormat fmt, int search_flags);
int av_opt_set_video_rate(void *obj, const char *name, AVRational val, int search_flags);
/**
* @note Any old chlayout present is discarded and replaced with a copy of the new one. The
* caller still owns layout and is responsible for uninitializing it.
*/
int av_opt_set_chlayout(void *obj, const char *name, const AVChannelLayout *layout, int search_flags);
/**
* @note Any old dictionary present is discarded and replaced with a copy of the new one. The
@ -858,6 +862,10 @@ int av_opt_get_image_size(void *obj, const char *name, int search_flags, int *w_
int av_opt_get_pixel_fmt (void *obj, const char *name, int search_flags, enum AVPixelFormat *out_fmt);
int av_opt_get_sample_fmt(void *obj, const char *name, int search_flags, enum AVSampleFormat *out_fmt);
int av_opt_get_video_rate(void *obj, const char *name, int search_flags, AVRational *out_val);
/**
* @param[out] layout The returned layout is a copy of the actual value and must
* be freed with av_channel_layout_uninit() by the caller
*/
int av_opt_get_chlayout(void *obj, const char *name, int search_flags, AVChannelLayout *layout);
/**
* @param[out] out_val The returned dictionary is a copy of the actual value and must