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Clarify CODEC_CAP_SUBFRAMES.

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Originally committed as revision 21364 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2010-01-21 13:49:47 +00:00
parent 8a24e98d50
commit e9e949cf74
1 changed files with 8 additions and 0 deletions
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8
libavcodec/avcodec.h
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@ -619,6 +619,14 @@ typedef struct RcOverride{
#define CODEC_CAP_HWACCEL_VDPAU 0x0080 #define CODEC_CAP_HWACCEL_VDPAU 0x0080
/** /**
* Codec can output multiple frames per AVPacket * Codec can output multiple frames per AVPacket
* Normally demuxers return one frame at a time, demuxers which do not do
* are connected to a parser to split what they return into proper frames.
* This flag is reserved to the very rare category of codecs which have a
* bitstream that cannot be split into frames without timeconsuming
* operations like full decoding. Demuxers carring such bitstreams thus
* may return multiple frames in a packet. This has many disadvantages like
* prohibiting stream copy in many cases thus it should only be considered
* as a last resort.
*/ */
#define CODEC_CAP_SUBFRAMES 0x0100 #define CODEC_CAP_SUBFRAMES 0x0100