From 6d9b7a7dab00324943f84e1dd5eddbad088be80d Mon Sep 17 00:00:00 2001 From: =?utf8?q?Reimar=20D=C3=B6ffinger?= Date: Sun, 23 May 2010 15:34:39 +0000 Subject: [PATCH] Document CODEC_FLAG_EMU_EDGE and avcodec_align_dimensions interaction. Originally committed as revision 23258 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 8781c0a..cd642ac 100644 --- a/libavcodec/avcodec.h +++ b/libavcodec/avcodec.h @@ -3316,12 +3316,20 @@ unsigned avcodec_get_edge_width(void); * Modifies width and height values so that they will result in a memory * buffer that is acceptable for the codec if you do not use any horizontal * padding. + * + * May only be used if a codec with CODEC_CAP_DR1 has been opened. + * If CODEC_FLAG_EMU_EDGE is not set, the dimensions must have been increased + * according to avcodec_get_edge_width() before. */ void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height); /** * Modifies width and height values so that they will result in a memory * buffer that is acceptable for the codec if you also ensure that all * line sizes are a multiple of the respective linesize_align[i]. + * + * May only be used if a codec with CODEC_CAP_DR1 has been opened. + * If CODEC_FLAG_EMU_EDGE is not set, the dimensions must have been increased + * according to avcodec_get_edge_width() before. */ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height, int linesize_align[4]); -- 2.7.4