mirror of https://git.ffmpeg.org/ffmpeg.git
avcodec: attempt to clarify the CODEC_CAP_DELAY documentation
This commit is contained in:
parent
07837e4158
commit
3f6aa85ed4
|
@ -725,10 +725,22 @@ typedef struct RcOverride{
|
||||||
/* Codec can export data for HW decoding (XvMC). */
|
/* Codec can export data for HW decoding (XvMC). */
|
||||||
#define CODEC_CAP_HWACCEL 0x0010
|
#define CODEC_CAP_HWACCEL 0x0010
|
||||||
/**
|
/**
|
||||||
* Codec has a nonzero delay and needs to be fed with avpkt->data=NULL,
|
* Encoder or decoder requires flushing with NULL input at the end in order to
|
||||||
|
* give the complete and correct output.
|
||||||
|
*
|
||||||
|
* NOTE: If this flag is not set, the codec is guaranteed to never be fed with
|
||||||
|
* with NULL data. The user can still send NULL data to the public encode
|
||||||
|
* or decode function, but libavcodec will not pass it along to the codec
|
||||||
|
* unless this flag is set.
|
||||||
|
*
|
||||||
|
* Decoders:
|
||||||
|
* The decoder has a non-zero delay and needs to be fed with avpkt->data=NULL,
|
||||||
* avpkt->size=0 at the end to get the delayed data until the decoder no longer
|
* avpkt->size=0 at the end to get the delayed data until the decoder no longer
|
||||||
* returns frames. If this is not set, the codec is guaranteed to never be fed
|
* returns frames.
|
||||||
* with NULL data.
|
*
|
||||||
|
* Encoders:
|
||||||
|
* The encoder needs to be fed with NULL data at the end of encoding until the
|
||||||
|
* encoder no longer returns data.
|
||||||
*/
|
*/
|
||||||
#define CODEC_CAP_DELAY 0x0020
|
#define CODEC_CAP_DELAY 0x0020
|
||||||
/**
|
/**
|
||||||
|
|
Loading…
Reference in New Issue