---
libavcodec/avcodec.h | 16 ++++++++++++++--
1 files changed, 14 insertions(+), 2 deletions(-)
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 7128a83..d1df5b4 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -1315,8 +1315,20 @@ typedef struct AVCodecContext {
int frame_number; ///< audio or video frame number
/**
- * Number of frames the decoded output will be delayed relative to
- * the encoded input.
+ * Encoder delay.
+ *
+ * Video:
+ * Number of frames the decoded output will be delayed relative to the
+ * encoded input.
+ *
+ * Audio:
+ * Number of "priming" samples added to the beginning of the stream
+ * during encoding. The decoded output will be delayed by this many
+ * samples relative to the input to the encoder. Note that this field is
+ * purely informational and does not directly affect the pts output by
+ * the encoder, which should always be based on the actual presentation
+ * time, including any delay.
+ *
* - encoding: Set by libavcodec.
* - decoding: unused
*/
--
1.7.1
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