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More clarification for draw_horiz_band() in hwaccell mode.

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Originally committed as revision 17281 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ivan Kalvachev 2009-02-14 20:52:18 +00:00
parent 4440bd0da4
commit dd4e297d94
1 changed files with 4 additions and 0 deletions
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libavcodec/avcodec.h
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@ -963,6 +963,10 @@ typedef struct AVCodecContext {
* It is also used by hardware acceleration APIs as a callback
* to pass specific (partially decoded) data to the calling
* application so it could be passed to the rendering hardware.
* In that mode all relevant function paramerers are inside special
* structure passed by AVFrame in place of the pixel data.
* The exact structure depends on the acceleration API.
* The application is allowed to make changes in the strucure.
* - encoding: unused
* - decoding: Set by user.
* @param height the height of the slice