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use function and definitions from libavcodec/flac.h in oggparseflac.c
Originally committed as revision 16767 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -20,10 +20,11 @@
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#include <stdlib.h>
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#include "libavcodec/bitstream.h"
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#include "libavcodec/flac.h"
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#include "avformat.h"
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#include "oggdec.h"
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#define FLAC_STREAMINFO_SIZE 0x22
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#define OGG_FLAC_METADATA_TYPE_STREAMINFO 0x7F
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static int
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flac_header (AVFormatContext * s, int idx)
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@ -32,6 +33,7 @@ flac_header (AVFormatContext * s, int idx)
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struct ogg_stream *os = ogg->streams + idx;
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AVStream *st = s->streams[idx];
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GetBitContext gb;
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FLACStreaminfo si;
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int mdt;
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if (os->buf[os->pstart] == 0xff)
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@ -41,7 +43,8 @@ flac_header (AVFormatContext * s, int idx)
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skip_bits1(&gb); /* metadata_last */
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mdt = get_bits(&gb, 7);
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if (mdt == 0x7f) {
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if (mdt == OGG_FLAC_METADATA_TYPE_STREAMINFO) {
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uint8_t *streaminfo_start = os->buf + os->pstart + 5 + 4 + 4 + 4;
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skip_bits_long(&gb, 4*8); /* "FLAC" */
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if(get_bits(&gb, 8) != 1) /* unsupported major version */
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return -1;
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@ -52,23 +55,19 @@ flac_header (AVFormatContext * s, int idx)
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if (get_bits_long(&gb, 32) != FLAC_STREAMINFO_SIZE)
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return -1;
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skip_bits_long(&gb, 16*2+24*2);
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st->codec->sample_rate = get_bits_long(&gb, 20);
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st->codec->channels = get_bits(&gb, 3) + 1;
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ff_flac_parse_streaminfo(st->codec, &si, streaminfo_start);
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st->codec->codec_type = CODEC_TYPE_AUDIO;
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st->codec->codec_id = CODEC_ID_FLAC;
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st->codec->extradata =
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av_malloc(FLAC_STREAMINFO_SIZE + FF_INPUT_BUFFER_PADDING_SIZE);
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memcpy (st->codec->extradata, os->buf + os->pstart + 5 + 4 + 4 + 4,
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FLAC_STREAMINFO_SIZE);
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memcpy(st->codec->extradata, streaminfo_start, FLAC_STREAMINFO_SIZE);
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st->codec->extradata_size = FLAC_STREAMINFO_SIZE;
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st->time_base.num = 1;
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st->time_base.den = st->codec->sample_rate;
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} else if (mdt == 4) {
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} else if (mdt == FLAC_METADATA_TYPE_VORBIS_COMMENT) {
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vorbis_comment (s, os->buf + os->pstart + 4, os->psize - 4);
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}
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