[0] | 1 | //audio.h: |
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| 2 | |
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| 3 | #ifndef _ROARAUDIO_AUDIO_H_ |
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| 4 | #define _ROARAUDIO_AUDIO_H_ |
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| 5 | |
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| 6 | #define ROAR_CODEC_PCM_LE ROAR_CODEC_PCM_S_LE |
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| 7 | #define ROAR_CODEC_PCM_BE ROAR_CODEC_PCM_S_BE |
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| 8 | #define ROAR_CODEC_PCM_PDP ROAR_CODEC_PCM_S_PDP |
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| 9 | |
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| 10 | /* |
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| 11 | Bits: |
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| 12 | 76543210 |
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| 13 | ||\---\ byte- |
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| 14 | |\----/ order |
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| 15 | \-----> unsigned? |
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| 16 | */ |
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| 17 | |
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| 18 | #define ROAR_CODEC_IS_SIGNED(x) (((x) & ROAR_CODEC_UNSIGNED) == 0 ? 1 : 0) |
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| 19 | #define ROAR_CODEC_BYTE_ORDER(x) ((x) & 0x03) |
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| 20 | |
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| 21 | #define ROAR_CODEC_UNSIGNED (1 << 2) |
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| 22 | |
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| 23 | #define ROAR_CODEC_PCM_S_LE 0x01 |
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| 24 | #define ROAR_CODEC_PCM_S_BE 0x02 |
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| 25 | #define ROAR_CODEC_PCM_S_PDP 0x03 |
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| 26 | |
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| 27 | #define ROAR_CODEC_PCM_U_LE (ROAR_CODEC_PCM_S_LE | ROAR_CODEC_UNSIGNED) |
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| 28 | #define ROAR_CODEC_PCM_U_BE (ROAR_CODEC_PCM_S_BE | ROAR_CODEC_UNSIGNED) |
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| 29 | #define ROAR_CODEC_PCM_U_PDP (ROAR_CODEC_PCM_S_PDP | ROAR_CODEC_UNSIGNED) |
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| 30 | |
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| 31 | #if BYTE_ORDER == BIG_ENDIAN |
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| 32 | |
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| 33 | #define ROAR_CODEC_DEFAULT ROAR_CODEC_PCM_BE |
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| 34 | #define ROAR_BE2DEF(x) (x) |
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| 35 | |
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| 36 | #elif BYTE_ORDER == LITTLE_ENDIAN |
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| 37 | |
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| 38 | #define ROAR_CODEC_DEFAULT ROAR_CODEC_PCM_LE |
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| 39 | #define ROAR_LE2DEF(x) (x) |
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| 40 | |
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| 41 | #else |
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| 42 | |
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| 43 | #define ROAR_CODEC_DEFAULT ROAR_CODEC_PCM_PDP |
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| 44 | #define ROAR_PDP2DEF(x) (x) |
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| 45 | |
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| 46 | #endif |
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| 47 | |
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| 48 | |
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| 49 | #define ROAR_CODEC_NATIVE ROAR_CODEC_DEFAULT |
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| 50 | |
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| 51 | #define ROAR_BITS_MAX 32 |
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| 52 | |
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| 53 | #define ROAR_BITS_DEFAULT 16 |
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| 54 | #define ROAR_CHANNELS_DEFAULT 2 |
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| 55 | #define ROAR_RATE_DEFAULT 44100 |
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| 56 | |
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[16] | 57 | #define ROAR_MAX_CHANNELS 64 |
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| 58 | |
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[17] | 59 | #define ROAR_SET_VOL_ALL 1 |
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| 60 | #define ROAR_SET_VOL_ONE 2 |
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| 61 | |
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[0] | 62 | struct roar_audio_info { |
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| 63 | unsigned int rate; |
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| 64 | unsigned int bits; |
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| 65 | unsigned int channels; |
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| 66 | unsigned int codec; |
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| 67 | }; |
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| 68 | |
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| 69 | struct roar_mixer_settings { |
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[17] | 70 | //unsigned channels; |
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[0] | 71 | roar_intm16 scale; |
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[16] | 72 | roar_intm16 mixer[ROAR_MAX_CHANNELS]; |
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[0] | 73 | }; |
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| 74 | |
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| 75 | #endif |
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| 76 | |
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| 77 | //ll |
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