Move AC3 header parsing code together with the rest of the AC3 parsing code.

Originally committed as revision 8739 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 0 insertions, 50 deletions

diff --git a/libavcodec/ac3.c b/libavcodec/ac3.c
index 3749d02f01..eeb60d78f8 100644
--- a/libavcodec/ac3.c
+++ b/libavcodec/ac3.c
@@ -235,53 +235,3 @@ void ac3_common_init(void)
     }
     bndtab[50] = l;
 }
-
-int ff_ac3_parse_header(const uint8_t buf[7], AC3HeaderInfo *hdr)
-{
-    GetBitContext gbc;
-
-    memset(hdr, 0, sizeof(*hdr));
-
-    init_get_bits(&gbc, buf, 54);
-
-    hdr->sync_word = get_bits(&gbc, 16);
-    if(hdr->sync_word != 0x0B77)
-        return -1;
-
-    /* read ahead to bsid to make sure this is AC-3, not E-AC-3 */
-    hdr->bsid = show_bits_long(&gbc, 29) & 0x1F;
-    if(hdr->bsid > 10)
-        return -2;
-
-    hdr->crc1 = get_bits(&gbc, 16);
-    hdr->fscod = get_bits(&gbc, 2);
-    if(hdr->fscod == 3)
-        return -3;
-
-    hdr->frmsizecod = get_bits(&gbc, 6);
-    if(hdr->frmsizecod > 37)
-        return -4;
-
-    skip_bits(&gbc, 5); // skip bsid, already got it
-
-    hdr->bsmod = get_bits(&gbc, 3);
-    hdr->acmod = get_bits(&gbc, 3);
-    if((hdr->acmod & 1) && hdr->acmod != 1) {
-        hdr->cmixlev = get_bits(&gbc, 2);
-    }
-    if(hdr->acmod & 4) {
-        hdr->surmixlev = get_bits(&gbc, 2);
-    }
-    if(hdr->acmod == 2) {
-        hdr->dsurmod = get_bits(&gbc, 2);
-    }
-    hdr->lfeon = get_bits1(&gbc);
-
-    hdr->halfratecod = FFMAX(hdr->bsid, 8) - 8;
-    hdr->sample_rate = ff_ac3_freqs[hdr->fscod] >> hdr->halfratecod;
-    hdr->bit_rate = (ff_ac3_bitratetab[hdr->frmsizecod>>1] * 1000) >> hdr->halfratecod;
-    hdr->channels = ff_ac3_channels[hdr->acmod] + hdr->lfeon;
-    hdr->frame_size = ff_ac3_frame_sizes[hdr->frmsizecod][hdr->fscod] * 2;
-
-    return 0;
-}