avcodec: document the use of AVCodecContext.delay for audio decoding

Signed-off-by: Diego Biurrun <diego@biurrun.de>
This commit is contained in:
Nathan Caldwell 2012-09-27 22:41:24 -06:00 committed by Diego Biurrun
parent 4dc8c8386e
commit e4aa3831b7
1 changed files with 10 additions and 7 deletions

View File

@ -1449,15 +1449,18 @@ typedef struct AVCodecContext {
* 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.
* For encoding, this is the number of "priming" samples added to the
* beginning of the stream. 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.
* For decoding, this is the number of samples the decoder needs to
* output before the decoder's output is valid. When seeking, you should
* start decoding this many samples prior to your desired seek point.
*
* - encoding: Set by libavcodec.
* - decoding: unused
* - decoding: Set by libavcodec.
*/
int delay;