*/
#include <stdlib.h>
-#include "libavcodec/bitstream.h"
+#include "libavcodec/get_bits.h"
+#include "libavcodec/flac.h"
#include "avformat.h"
#include "oggdec.h"
-#define FLAC_STREAMINFO_SIZE 0x22
+#define OGG_FLAC_METADATA_TYPE_STREAMINFO 0x7F
static int
flac_header (AVFormatContext * s, int idx)
struct ogg_stream *os = ogg->streams + idx;
AVStream *st = s->streams[idx];
GetBitContext gb;
+ FLACStreaminfo si;
int mdt;
if (os->buf[os->pstart] == 0xff)
skip_bits1(&gb); /* metadata_last */
mdt = get_bits(&gb, 7);
- if (mdt == 0x7f) {
+ if (mdt == OGG_FLAC_METADATA_TYPE_STREAMINFO) {
+ uint8_t *streaminfo_start = os->buf + os->pstart + 5 + 4 + 4 + 4;
skip_bits_long(&gb, 4*8); /* "FLAC" */
if(get_bits(&gb, 8) != 1) /* unsupported major version */
return -1;
if (get_bits_long(&gb, 32) != FLAC_STREAMINFO_SIZE)
return -1;
- skip_bits_long(&gb, 16*2+24*2);
-
- st->codec->sample_rate = get_bits_long(&gb, 20);
- st->codec->channels = get_bits(&gb, 3) + 1;
+ ff_flac_parse_streaminfo(st->codec, &si, streaminfo_start);
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);
+ memcpy(st->codec->extradata, streaminfo_start, 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) {
+ } else if (mdt == FLAC_METADATA_TYPE_VORBIS_COMMENT) {
vorbis_comment (s, os->buf + os->pstart + 4, os->psize - 4);
}