1 files changed, 0 insertions, 156 deletions
diff --git a/contrib/ffmpeg/libavcodec/ac3_parser.c b/contrib/ffmpeg/libavcodec/ac3_parser.c
deleted file mode 100644
index 9bda20380..000000000
--- a/contrib/ffmpeg/libavcodec/ac3_parser.c
+++ /dev/null
@@ -1,156 +0,0 @@
-/*
- * AC3 parser
- * Copyright (c) 2003 Fabrice Bellard.
- * Copyright (c) 2003 Michael Niedermayer.
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "parser.h"
-#include "ac3_parser.h"
-#include "aac_ac3_parser.h"
-#include "bitstream.h"
-
-
-#define AC3_HEADER_SIZE 7
-
-
-static const uint8_t eac3_blocks[4] = {
-    1, 2, 3, 6
-};
-
-
-int ff_ac3_parse_header(const uint8_t buf[7], AC3HeaderInfo *hdr)
-{
-    GetBitContext gbc;
-    int frame_size_code;
-    int num_blocks;
-
-    memset(hdr, 0, sizeof(*hdr));
-
-    init_get_bits(&gbc, buf, 54);
-
-    hdr->sync_word = get_bits(&gbc, 16);
-    if(hdr->sync_word != 0x0B77)
-        return AC3_PARSE_ERROR_SYNC;
-
-    /* read ahead to bsid to distinguish between AC-3 and E-AC-3 */
-    hdr->bitstream_id = show_bits_long(&gbc, 29) & 0x1F;
-    if(hdr->bitstream_id > 16)
-        return AC3_PARSE_ERROR_BSID;
-
-    if(hdr->bitstream_id <= 10) {
-        /* Normal AC-3 */
-        hdr->crc1 = get_bits(&gbc, 16);
-        hdr->sr_code = get_bits(&gbc, 2);
-        if(hdr->sr_code == 3)
-            return AC3_PARSE_ERROR_SAMPLE_RATE;
-
-        frame_size_code = get_bits(&gbc, 6);
-        if(frame_size_code > 37)
-            return AC3_PARSE_ERROR_FRAME_SIZE;
-
-        skip_bits(&gbc, 5); // skip bsid, already got it
-
-        skip_bits(&gbc, 3); // skip bitstream mode
-        hdr->channel_mode = get_bits(&gbc, 3);
-        if((hdr->channel_mode & 1) && hdr->channel_mode != AC3_CHMODE_MONO) {
-            skip_bits(&gbc, 2); // skip center mix level
-        }
-        if(hdr->channel_mode & 4) {
-            skip_bits(&gbc, 2); // skip surround mix level
-        }
-        if(hdr->channel_mode == AC3_CHMODE_STEREO) {
-            skip_bits(&gbc, 2); // skip dolby surround mode
-        }
-        hdr->lfe_on = get_bits1(&gbc);
-
-        hdr->sr_shift = FFMAX(hdr->bitstream_id, 8) - 8;
-        hdr->sample_rate = ff_ac3_sample_rate_tab[hdr->sr_code] >> hdr->sr_shift;
-        hdr->bit_rate = (ff_ac3_bitrate_tab[frame_size_code>>1] * 1000) >> hdr->sr_shift;
-        hdr->channels = ff_ac3_channels_tab[hdr->channel_mode] + hdr->lfe_on;
-        hdr->frame_size = ff_ac3_frame_size_tab[frame_size_code][hdr->sr_code] * 2;
-    } else {
-        /* Enhanced AC-3 */
-        hdr->crc1 = 0;
-        skip_bits(&gbc, 2); // skip stream type
-        skip_bits(&gbc, 3); // skip substream id
-
-        hdr->frame_size = (get_bits(&gbc, 11) + 1) << 1;
-        if(hdr->frame_size < AC3_HEADER_SIZE)
-            return AC3_PARSE_ERROR_FRAME_SIZE;
-
-        hdr->sr_code = get_bits(&gbc, 2);
-        if (hdr->sr_code == 3) {
-            int sr_code2 = get_bits(&gbc, 2);
-            if(sr_code2 == 3)
-                return AC3_PARSE_ERROR_SAMPLE_RATE;
-            hdr->sample_rate = ff_ac3_sample_rate_tab[sr_code2] / 2;
-            hdr->sr_shift = 1;
-            num_blocks = 6;
-        } else {
-            num_blocks = eac3_blocks[get_bits(&gbc, 2)];
-            hdr->sample_rate = ff_ac3_sample_rate_tab[hdr->sr_code];
-            hdr->sr_shift = 0;
-        }
-
-        hdr->channel_mode = get_bits(&gbc, 3);
-        hdr->lfe_on = get_bits1(&gbc);
-
-        hdr->bit_rate = (uint32_t)(8.0 * hdr->frame_size * hdr->sample_rate /
-                        (num_blocks * 256.0));
-        hdr->channels = ff_ac3_channels_tab[hdr->channel_mode] + hdr->lfe_on;
-    }
-
-    return 0;
-}
-
-static int ac3_sync(const uint8_t *buf, int *channels, int *sample_rate,
-                    int *bit_rate, int *samples)
-{
-    int err;
-    AC3HeaderInfo hdr;
-
-    err = ff_ac3_parse_header(buf, &hdr);
-
-    if(err < 0)
-        return 0;
-
-    *sample_rate = hdr.sample_rate;
-    *bit_rate = hdr.bit_rate;
-    *channels = hdr.channels;
-    *samples = AC3_FRAME_SIZE;
-    return hdr.frame_size;
-}
-
-static int ac3_parse_init(AVCodecParserContext *s1)
-{
-    AACAC3ParseContext *s = s1->priv_data;
-    s->inbuf_ptr = s->inbuf;
-    s->header_size = AC3_HEADER_SIZE;
-    s->sync = ac3_sync;
-    return 0;
-}
-
-
-AVCodecParser ac3_parser = {
-    { CODEC_ID_AC3 },
-    sizeof(AACAC3ParseContext),
-    ac3_parse_init,
-    ff_aac_ac3_parse,
-    NULL,
-};