Module: libav Branch: master Commit: 2d6edb2b7ebc400d1a4fd5b95a30e4b4415b94f9
Author: Anton Khirnov <[email protected]> Committer: Anton Khirnov <[email protected]> Date: Fri Mar 22 08:20:27 2013 +0100 lavc: extend / update the [coded_]{width,height} doxy --- libavcodec/avcodec.h | 14 +++++++++----- 1 files changed, 9 insertions(+), 5 deletions(-) diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h index 316d30a..84a6859 100644 --- a/libavcodec/avcodec.h +++ b/libavcodec/avcodec.h @@ -1148,16 +1148,20 @@ typedef struct AVCodecContext { /** * picture width / height. * - encoding: MUST be set by user. - * - decoding: Set by libavcodec. - * Note: For compatibility it is possible to set this instead of - * coded_width/height before decoding. + * - decoding: May be set by the user before opening the decoder if known e.g. + * from the container. Some decoders will require the dimensions + * to be set by the caller. During decoding, the decoder may + * overwrite those values as required. */ int width, height; /** - * Bitstream width / height, may be different from width/height. + * Bitstream width / height, may be different from width/height e.g. when + * the decoded frame is cropped before being output. * - encoding: unused - * - decoding: Set by user before init if known. Codec should override / dynamically change if needed. + * - decoding: May be set by the user before opening the decoder if known + * e.g. from the container. During decoding, the decoder may + * overwrite those values as required. */ int coded_width, coded_height; _______________________________________________ libav-commits mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-commits
