=====avcodec_encode_audio=====
====Overview====
Defined in ''avcodec.h''\\

Encodes an audio frame from ''samples'' into ''buf''.\\
The [[ffmpeg:avcodec_encode_audio()]] function encodes an audio frame from the input buffer ''samples''. To encode it, it makes use of the audio codec which was coupled with ''avctx'' using [[ffmpeg:avcodec_open()]]. The resulting encoded frame is stored in output buffer ''buf''.\\

Note: The output buffer should be at least ''FF_MIN_BUFFER_SIZE'' bytes large.

<code c>
int avcodec_encode_audio(AVCodecContext *avctx,
                         uint8_t *buf,
                         int buf_size,
                         const short *samples);
</code>

====Parameters====
===avctx===
<code c>AVCodecContext *avctx</code>
avctx the [[ffmpeg:AVCodecContext]] codec context.

===buf===
<code c>uint8_t *buf</code>
The output buffer.

===buf_size===
<code c>int buf_size</code>
The output buffer size.

===samples===
<code c>const short *samples</code>
The input buffer containing the samples.

====Return value====
On error a negative value is returned, on succes zero or the number of bytes used from the input buffer.

====See also====
[[ffmpeg:avcodec_encode_video()]], [[ffmpeg:avcodec_encode_subtitle()]]

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Back to [[ffmpeg:ffmpeg]]