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Clarify how allocation works for the picture argument for

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avcodec_decode_video3.

Originally committed as revision 23009 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2010-05-02 16:07:29 +00:00
parent d296a658cf
commit bf9766995c
1 changed files with 2 additions and 0 deletions
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libavcodec/avcodec.h
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@ -3464,6 +3464,8 @@ attribute_deprecated int avcodec_decode_video(AVCodecContext *avctx, AVFrame *pi
* *
* @param avctx the codec context * @param avctx the codec context
* @param[out] picture The AVFrame in which the decoded video frame will be stored. * @param[out] picture The AVFrame in which the decoded video frame will be stored.
* Use avcodec_alloc_frame to get an AVFrame, the codec will call
* get_buffer to get memory for the actual image data.
* @param[in] avpkt The input AVpacket containing the input buffer. * @param[in] avpkt The input AVpacket containing the input buffer.
* You can create such packet with av_init_packet() and by then setting * You can create such packet with av_init_packet() and by then setting
* data and size, some decoders might in addition need other fields like * data and size, some decoders might in addition need other fields like