Make documentation better match the code. Now AVCodecContext.sample_fmt

is used.

Patch by Brian Crowell <($firstname)@fluggo.com>

Originally committed as revision 19257 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/avcodec.h

@@ -1114,7 +1114,7 @@ typedef struct AVCodecContext {
      * - encoding: Set by user.
      * - decoding: Set by libavcodec.
      */
-    enum SampleFormat sample_fmt;  ///< sample format, currently unused
+    enum SampleFormat sample_fmt;  ///< sample format
 
     /* The following data should not be initialized. */
     /**
@@ -3224,7 +3224,7 @@ attribute_deprecated int avcodec_decode_audio2(AVCodecContext *avctx, int16_t *s
  * (AltiVec and SSE do).
  *
  * @param avctx the codec context
- * @param[out] samples the output buffer
+ * @param[out] samples the output buffer, sample type in avctx->sample_fmt
  * @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