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| author | Michael Niedermayer <michaelni@gmx.at> | 2009-06-03 10:25:21 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2009-06-03 10:25:21 +0000 |
| commit | da45d5b9c61171a63d74cbc684840b2b408099c1 (patch) | |
| tree | d472d8618ceae5c84b3f8fbed184ea17de4fa825 | |
| parent | 5d5a8813fc4e771850770ca85ec22ce1a785af5d (diff) | |
| download | ffmpeg-da45d5b9c61171a63d74cbc684840b2b408099c1.tar.gz | |
Clarify the input AVPacket for avcodec_decode*()
Originally committed as revision 19077 to svn://svn.ffmpeg.org/ffmpeg/trunk
| -rw-r--r-- | libavcodec/avcodec.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h index 93e2037a05..248287fb4f 100644 --- a/libavcodec/avcodec.h +++ b/libavcodec/avcodec.h @@ -3215,6 +3215,9 @@ attribute_deprecated int avcodec_decode_audio2(AVCodecContext *avctx, int16_t *s * @param[out] samples the output buffer * @param[in,out] frame_size_ptr the output buffer size in bytes * @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. + * All decoders are designed to use the least fields possible though. * @return On error a negative value is returned, otherwise the number of bytes * used or zero if no frame could be decompressed. */ @@ -3268,6 +3271,10 @@ 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. * @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 + * flags&PKT_FLAG_KEY. All decoders are designed to use the least + * fields possible. * @param[in,out] got_picture_ptr Zero if no frame could be decompressed, otherwise, it is nonzero. * @return On error a negative value is returned, otherwise the number of bytes * used or zero if no frame could be decompressed. |