notaz.gp2x.de / pcsx_rearmed.git / blame
| Commit | Line | Data |
|---|---|---|
| 3719602c PC |
1 | /* license:BSD-3-Clause |
| 2 | * copyright-holders:Aaron Giles | |
| 3 | *************************************************************************** | |
| 4 | ||
| 5 | flac.h | |
| 6 | ||
| 7 | FLAC compression wrappers | |
| 8 | ||
| 9 | ***************************************************************************/ | |
| 10 | ||
| 11 | #pragma once | |
| 12 | ||
| 13 | #ifndef __FLAC_H__ | |
| 14 | #define __FLAC_H__ | |
| 15 | ||
| 16 | #include <stdint.h> | |
| 17 | #include "libchdr_zlib.h" | |
| 18 | #include "FLAC/ordinals.h" | |
| 19 | #include "FLAC/stream_decoder.h" | |
| 20 | ||
| 21 | /*************************************************************************** | |
| 22 | * TYPE DEFINITIONS | |
| 23 | *************************************************************************** | |
| 24 | */ | |
| 25 | ||
| 26 | typedef struct _flac_decoder flac_decoder; | |
| 27 | struct _flac_decoder { | |
| 28 | /* output state */ | |
| 29 | FLAC__StreamDecoder* decoder; /* actual encoder */ | |
| 30 | uint32_t sample_rate; /* decoded sample rate */ | |
| 31 | uint8_t channels; /* decoded number of channels */ | |
| 32 | uint8_t bits_per_sample; /* decoded bits per sample */ | |
| 33 | uint32_t compressed_offset; /* current offset in compressed data */ | |
| 34 | const FLAC__byte * compressed_start; /* start of compressed data */ | |
| 35 | uint32_t compressed_length; /* length of compressed data */ | |
| 36 | const FLAC__byte * compressed2_start; /* start of compressed data */ | |
| 37 | uint32_t compressed2_length; /* length of compressed data */ | |
| 38 | int16_t * uncompressed_start[8]; /* pointer to start of uncompressed data (up to 8 streams) */ | |
| 39 | uint32_t uncompressed_offset; /* current position in uncompressed data */ | |
| 40 | uint32_t uncompressed_length; /* length of uncompressed data */ | |
| 41 | int uncompressed_swap; /* swap uncompressed sample data */ | |
| 42 | uint8_t custom_header[0x2a]; /* custom header */ | |
| 43 | }; | |
| 44 | ||
| 45 | /* ======================> flac_decoder */ | |
| 46 | ||
| 47 | void flac_decoder_init(flac_decoder* decoder); | |
| 48 | void flac_decoder_free(flac_decoder* decoder); | |
| 49 | int flac_decoder_reset(flac_decoder* decoder, uint32_t sample_rate, uint8_t num_channels, uint32_t block_size, const void *buffer, uint32_t length); | |
| 50 | int flac_decoder_decode_interleaved(flac_decoder* decoder, int16_t *samples, uint32_t num_samples, int swap_endian); | |
| 51 | uint32_t flac_decoder_finish(flac_decoder* decoder); | |
| 52 | ||
| 53 | /* codec-private data for the CDFL codec */ | |
| 54 | typedef struct _cdfl_codec_data cdfl_codec_data; | |
| 55 | struct _cdfl_codec_data { | |
| 56 | /* internal state */ | |
| 57 | int swap_endian; | |
| 58 | flac_decoder decoder; | |
| 59 | #ifdef WANT_SUBCODE | |
| 60 | zlib_codec_data subcode_decompressor; | |
| 61 | #endif | |
| 62 | uint8_t* buffer; | |
| 63 | }; | |
| 64 | ||
| 65 | /* cdfl compression codec */ | |
| 66 | chd_error cdfl_codec_init(void* codec, uint32_t hunkbytes); | |
| 67 | void cdfl_codec_free(void* codec); | |
| 68 | chd_error cdfl_codec_decompress(void *codec, const uint8_t *src, uint32_t complen, uint8_t *dest, uint32_t destlen); | |
| 69 | ||
| 70 | #endif /* __FLAC_H__ */ |