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-rw-r--r--libavresample/avresample.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/libavresample/avresample.h b/libavresample/avresample.h
index 5eb55cb..2431bdd 100644
--- a/libavresample/avresample.h
+++ b/libavresample/avresample.h
@@ -167,9 +167,13 @@ AVAudioResampleContext *avresample_alloc_context(void);
/**
* Initialize AVAudioResampleContext.
* @note The context must be configured using the AVOption API.
+ * @note The fields "in_channel_layout", "out_channel_layout",
+ * "in_sample_rate", "out_sample_rate", "in_sample_fmt",
+ * "out_sample_fmt" must be set.
*
* @see av_opt_set_int()
* @see av_opt_set_dict()
+ * @see av_get_default_channel_layout()
*
* @param avr audio resample context
* @return 0 on success, negative AVERROR code on failure
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