[FFmpeg-cvslog] atrac3: remove unused ATRAC3Context field, samples_per_channel

[Justin Ruggles]

ffmpeg | branch: master | Justin Ruggles <justin.ruggles at gmail.com> | Thu Oct 18 22:48:45 2012 -0400| [7c1f93afe6b03efc356442f748cb6daede8688ea] | committer: Justin Ruggles

atrac3: remove unused ATRAC3Context field, samples_per_channel

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7c1f93afe6b03efc356442f748cb6daede8688ea
---

 libavcodec/atrac3.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/libavcodec/atrac3.c b/libavcodec/atrac3.c
index 76f2b22..e23ff98 100644
--- a/libavcodec/atrac3.c
+++ b/libavcodec/atrac3.c
@@ -92,7 +92,6 @@ typedef struct ATRAC3Context {
     int coding_mode;
     int bit_rate;
     int sample_rate;
-    int samples_per_channel;
     int samples_per_frame;
 
     ChannelUnit *units;
@@ -870,7 +869,7 @@ static av_cold int atrac3_decode_init(AVCodecContext *avctx)
         /* Parse the extradata, WAV format */
         av_log(avctx, AV_LOG_DEBUG, "[0-1] %d\n",
                bytestream_get_le16(&edata_ptr));  // Unknown value always 1
-        q->samples_per_channel = bytestream_get_le32(&edata_ptr);
+        edata_ptr += 4;                             // samples per channel
         q->coding_mode = bytestream_get_le16(&edata_ptr);
         av_log(avctx, AV_LOG_DEBUG,"[8-9] %d\n",
                bytestream_get_le16(&edata_ptr));  //Dupe of coding mode
@@ -899,7 +898,6 @@ static av_cold int atrac3_decode_init(AVCodecContext *avctx)
         q->samples_per_frame   = bytestream_get_be16(&edata_ptr);
         delay                  = bytestream_get_be16(&edata_ptr);
         q->coding_mode         = bytestream_get_be16(&edata_ptr);
-        q->samples_per_channel = q->samples_per_frame / avctx->channels;
         q->scrambled_stream    = 1;
 
     } else {