From bf9766995c5db44a5309a329fbbcb345e94c7d06 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Reimar=20D=C3=B6ffinger?= Date: Sun, 2 May 2010 16:07:29 +0000 Subject: [PATCH] Clarify how allocation works for the picture argument for avcodec_decode_video3. Originally committed as revision 23009 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/avcodec.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h index 23ea4bb549..b6437473e6 100644 --- a/libavcodec/avcodec.h +++ b/libavcodec/avcodec.h @@ -3464,6 +3464,8 @@ attribute_deprecated int avcodec_decode_video(AVCodecContext *avctx, AVFrame *pi * * @param avctx the codec context * @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. * 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