mpegts: remove unused variable

[ffmpeg] / libavformat / vqf.c

diff --git a/libavformat/vqf.c b/libavformat/vqf.c
index 1530128f4ac520c1a69c46e5d2bdf8a592285427..778509b7375e17b846e96bb8358e73af51f0b7d0 100644 (file)
--- a/libavformat/vqf.c
+++ b/libavformat/vqf.c
@@ -20,6 +20,7 @@
  */
 
 #include "avformat.h"
+#include "internal.h"
 #include "libavutil/intreadwrite.h"
 #include "libavutil/dict.h"
 #include "libavutil/mathematics.h"
@@ -70,6 +71,7 @@ static int vqf_read_header(AVFormatContext *s, AVFormatParameters *ap)
     int header_size;
     int read_bitrate = 0;
     int size;
+    uint8_t comm_chunk[12];
 
     if (!st)
         return AVERROR(ENOMEM);
@@ -100,13 +102,13 @@ static int vqf_read_header(AVFormatContext *s, AVFormatParameters *ap)
 
         switch(chunk_tag){
         case MKTAG('C','O','M','M'):
-            st->codec->channels = avio_rb32(s->pb) + 1;
-            read_bitrate        = avio_rb32(s->pb);
-            rate_flag           = avio_rb32(s->pb);
+            avio_read(s->pb, comm_chunk, 12);
+            st->codec->channels = AV_RB32(comm_chunk    ) + 1;
+            read_bitrate        = AV_RB32(comm_chunk + 4);
+            rate_flag           = AV_RB32(comm_chunk + 8);
             avio_skip(s->pb, len-12);
 
             st->codec->bit_rate              = read_bitrate*1000;
-            st->codec->bits_per_coded_sample = 16;
             break;
         case MKTAG('N','A','M','E'):
             add_metadata(s, "title"    , len, header_size);
@@ -191,7 +193,13 @@ static int vqf_read_header(AVFormatContext *s, AVFormatParameters *ap)
         return -1;
     }
     c->frame_bit_len = st->codec->bit_rate*size/st->codec->sample_rate;
-    av_set_pts_info(st, 64, 1, st->codec->sample_rate);
+    avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
+
+    /* put first 12 bytes of COMM chunk in extradata */
+    if (!(st->codec->extradata = av_malloc(12 + FF_INPUT_BUFFER_PADDING_SIZE)))
+        return AVERROR(ENOMEM);
+    st->codec->extradata_size = 12;
+    memcpy(st->codec->extradata, comm_chunk, 12);
 
     return 0;
 }