From e9e949cf74391a00751ddec83197bb019b203bd2 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 21 Jan 2010 13:49:47 +0000 Subject: [PATCH] Clarify CODEC_CAP_SUBFRAMES. Originally committed as revision 21364 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/avcodec.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h index ace4863..aa59097 100644 --- a/libavcodec/avcodec.h +++ b/libavcodec/avcodec.h @@ -619,6 +619,14 @@ typedef struct RcOverride{ #define CODEC_CAP_HWACCEL_VDPAU 0x0080 /** * 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 -- 2.7.4