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Clarify the input AVPacket for avcodec_decode*() 

Originally committed as revision 19077 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2009-06-03 10:25:21 +00:00
parent 5d5a8813fc
commit da45d5b9c6
1 changed files with 7 additions and 0 deletions
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7
libavcodec/avcodec.h
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@ -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.