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flacdec: get total number of samples from STREAMINFO

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Originally committed as revision 16768 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Justin Ruggles 2009-01-25 02:27:02 +00:00
parent 7fa9a0a256
commit aeb987cebf
2 changed files with 3 additions and 1 deletions
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1
libavcodec/flac.h
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@ -53,6 +53,7 @@ enum {
int samplerate; /**< sample rate */\
int channels; /**< number of channels */\
int bps; /**< bits-per-sample */\
int64_t samples; /**< total number of samples */\
typedef struct FLACStreaminfo {
FLACSTREAMINFO

3
libavcodec/flacdec.c
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@ -169,7 +169,8 @@ void ff_flac_parse_streaminfo(AVCodecContext *avctx, struct FLACStreaminfo *s,
avctx->channels = s->channels;
avctx->sample_rate = s->samplerate;
skip_bits(&gb, 36); /* total num of samples */
s->samples = get_bits_long(&gb, 32) << 4;
s->samples |= get_bits_long(&gb, 4);
skip_bits(&gb, 64); /* md5 sum */
skip_bits(&gb, 64); /* md5 sum */