---
libavcodec/avcodec.h | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index cda6703..64d45db 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -2081,7 +2081,13 @@ typedef struct AVCodecContext {
/* The following data should not be initialized. */
/**
- * Samples per packet, initialized when calling 'init'.
+ * Number of samples per channel in an audio frame.
+ *
+ * - encoding: set by libavcodec in avcodec_open2(). Each submitted frame
+ * except the last must contain exactly frame_size samples per channel.
+ * May be 0 when the codec has CODEC_CAP_VARIABLE_FRAME_SIZE set, then
the
+ * frame size is not restricted.
+ * - decoding: may be set by some decoders to indicate constant frame size
*/
int frame_size;
--
1.7.10.4
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