ffmpeg | branch: master | James Almer <[email protected]> | Mon May 6 12:23:30
2024 -0300| [2987c65caabceab2eaf09185392f0d07027e788f] | committer: James Almer
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 <[email protected]>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=2987c65caabceab2eaf09185392f0d07027e788f
---
libavutil/opt.h | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/libavutil/opt.h b/libavutil/opt.h
index 2d76ec6105..07e27a9208 100644
--- a/libavutil/opt.h
+++ b/libavutil/opt.h
@@ -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
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