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author | Justin Ruggles <justin.ruggles@gmail.com> | 2012-02-20 16:52:27 -0500 |
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committer | Justin Ruggles <justin.ruggles@gmail.com> | 2012-02-25 11:49:41 -0500 |
commit | 7600e5c5aa1d48c781f1ed363b754c3a0a631eb7 (patch) | |
tree | a5895cd69e51be6a1948df961e05581eb886d2f6 /libavcodec | |
parent | 6c4c27adb61b2881a94ce5c7d97ee1c8adadb5fe (diff) | |
download | ffmpeg-7600e5c5aa1d48c781f1ed363b754c3a0a631eb7.tar.gz |
avcodec: document the use of AVCodecContext.delay for audio encoders
Diffstat (limited to 'libavcodec')
-rw-r--r-- | libavcodec/avcodec.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h index 7128a83148..d1df5b4168 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 */ |