diff options
Diffstat (limited to 'apps/codecs/libffmpegFLAC/decoder.h')
-rw-r--r-- | apps/codecs/libffmpegFLAC/decoder.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/apps/codecs/libffmpegFLAC/decoder.h b/apps/codecs/libffmpegFLAC/decoder.h new file mode 100644 index 0000000000..5d503adc78 --- /dev/null +++ b/apps/codecs/libffmpegFLAC/decoder.h | |||
@@ -0,0 +1,46 @@ | |||
1 | #ifndef _FLAC_DECODER_H | ||
2 | #define _FLAC_DECODER_H | ||
3 | |||
4 | #include "bitstream.h" | ||
5 | |||
6 | #define MAX_CHANNELS 2 /* Maximum supported channels */ | ||
7 | #define MAX_BLOCKSIZE 4608 /* Maxsize in samples of one uncompressed frame */ | ||
8 | #define MAX_FRAMESIZE 32768 /* Maxsize in bytes of one compressed frame */ | ||
9 | |||
10 | #define FLAC_OUTPUT_DEPTH 28 /* Provide samples left-shifted to 28-bits */ | ||
11 | |||
12 | enum decorrelation_type { | ||
13 | INDEPENDENT, | ||
14 | LEFT_SIDE, | ||
15 | RIGHT_SIDE, | ||
16 | MID_SIDE, | ||
17 | }; | ||
18 | |||
19 | typedef struct FLACContext { | ||
20 | GetBitContext gb; | ||
21 | |||
22 | int min_blocksize, max_blocksize; | ||
23 | int min_framesize, max_framesize; | ||
24 | int samplerate, channels; | ||
25 | int blocksize/*, last_blocksize*/; | ||
26 | int bps, curr_bps; | ||
27 | unsigned long samplenumber; | ||
28 | unsigned long totalsamples; | ||
29 | enum decorrelation_type decorrelation; | ||
30 | |||
31 | int filesize; | ||
32 | int length; | ||
33 | int bitrate; | ||
34 | int metadatalength; | ||
35 | |||
36 | int bitstream_size; | ||
37 | int bitstream_index; | ||
38 | } FLACContext; | ||
39 | |||
40 | int flac_decode_frame(FLACContext *s, | ||
41 | int32_t* decoded0, | ||
42 | int32_t* decoded1, | ||
43 | uint8_t *buf, int buf_size, | ||
44 | void (*yield)(void)); | ||
45 | |||
46 | #endif | ||