diff options
Diffstat (limited to 'contrib/ffmpeg/libavformat/oggparseflac.c')
-rw-r--r-- | contrib/ffmpeg/libavformat/oggparseflac.c | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/contrib/ffmpeg/libavformat/oggparseflac.c b/contrib/ffmpeg/libavformat/oggparseflac.c deleted file mode 100644 index 8960088d8..000000000 --- a/contrib/ffmpeg/libavformat/oggparseflac.c +++ /dev/null @@ -1,82 +0,0 @@ -/* - * Copyright (C) 2005 Matthieu CASTET - * - * 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 <stdlib.h> -#include "avformat.h" -#include "bitstream.h" -#include "ogg2.h" - -#define FLAC_STREAMINFO_SIZE 0x22 - -static int -flac_header (AVFormatContext * s, int idx) -{ - ogg_t *ogg = s->priv_data; - ogg_stream_t *os = ogg->streams + idx; - AVStream *st = s->streams[idx]; - GetBitContext gb; - int mdt; - - if (os->buf[os->pstart] == 0xff) - return 0; - - init_get_bits(&gb, os->buf + os->pstart, os->psize*8); - get_bits(&gb, 1); /* metadata_last */ - mdt = get_bits(&gb, 7); - - if (mdt == 0x7f) { - skip_bits(&gb, 4*8); /* "FLAC" */ - if(get_bits(&gb, 8) != 1) /* unsupported major version */ - return -1; - skip_bits(&gb, 8 + 16); /* minor version + header count */ - skip_bits(&gb, 4*8); /* "fLaC" */ - - /* METADATA_BLOCK_HEADER */ - if (get_bits(&gb, 32) != FLAC_STREAMINFO_SIZE) - return -1; - - skip_bits(&gb, 16*2+24*2); - - st->codec->sample_rate = get_bits_long(&gb, 20); - st->codec->channels = get_bits(&gb, 3) + 1; - - st->codec->codec_type = CODEC_TYPE_AUDIO; - st->codec->codec_id = CODEC_ID_FLAC; - - st->codec->extradata = - av_malloc(FLAC_STREAMINFO_SIZE + FF_INPUT_BUFFER_PADDING_SIZE); - memcpy (st->codec->extradata, os->buf + os->pstart + 5 + 4 + 4 + 4, - FLAC_STREAMINFO_SIZE); - st->codec->extradata_size = FLAC_STREAMINFO_SIZE; - - st->time_base.num = 1; - st->time_base.den = st->codec->sample_rate; - } else if (mdt == 4) { - vorbis_comment (s, os->buf + os->pstart + 4, os->psize - 4); - } - - return 1; -} - -ogg_codec_t flac_codec = { - .magic = "\177FLAC", - .magicsize = 5, - .header = flac_header -}; |