diff options
| author | Luiz Augusto von Dentz <luiz.dentz@openbossa.org> | 2008-01-23 13:11:07 +0000 |
|---|---|---|
| committer | Luiz Augusto von Dentz <luiz.dentz@openbossa.org> | 2008-01-23 13:11:07 +0000 |
| commit | 9ae63b37bb909c66a931ee3934af1ad87047f326 (patch) | |
| tree | cd772bc99e37d2c5ba3e611d10370dc361a683c7 /audio/a2dp.h | |
| parent | f67d81062c4be2cec6bb1b340a9f212f1227e062 (diff) | |
Initial support of mpeg12 codec.
Diffstat (limited to 'audio/a2dp.h')
| -rw-r--r-- | audio/a2dp.h | 77 |
1 files changed, 57 insertions, 20 deletions
diff --git a/audio/a2dp.h b/audio/a2dp.h index 8227296f..cfd1c47d 100644 --- a/audio/a2dp.h +++ b/audio/a2dp.h @@ -27,26 +27,37 @@ #define A2DP_CODEC_MPEG24 0x02 #define A2DP_CODEC_ATRAC 0x03 -#define A2DP_SAMPLING_FREQ_16000 (1 << 3) -#define A2DP_SAMPLING_FREQ_32000 (1 << 2) -#define A2DP_SAMPLING_FREQ_44100 (1 << 1) -#define A2DP_SAMPLING_FREQ_48000 1 - -#define A2DP_CHANNEL_MODE_MONO (1 << 3) -#define A2DP_CHANNEL_MODE_DUAL_CHANNEL (1 << 2) -#define A2DP_CHANNEL_MODE_STEREO (1 << 1) -#define A2DP_CHANNEL_MODE_JOINT_STEREO 1 - -#define A2DP_BLOCK_LENGTH_4 (1 << 3) -#define A2DP_BLOCK_LENGTH_8 (1 << 2) -#define A2DP_BLOCK_LENGTH_12 (1 << 1) -#define A2DP_BLOCK_LENGTH_16 1 - -#define A2DP_SUBBANDS_4 (1 << 1) -#define A2DP_SUBBANDS_8 1 - -#define A2DP_ALLOCATION_SNR (1 << 1) -#define A2DP_ALLOCATION_LOUDNESS 1 +#define SBC_SAMPLING_FREQ_16000 (1 << 3) +#define SBC_SAMPLING_FREQ_32000 (1 << 2) +#define SBC_SAMPLING_FREQ_44100 (1 << 1) +#define SBC_SAMPLING_FREQ_48000 1 + +#define SBC_CHANNEL_MODE_MONO (1 << 3) +#define SBC_CHANNEL_MODE_DUAL_CHANNEL (1 << 2) +#define SBC_CHANNEL_MODE_STEREO (1 << 1) +#define SBC_CHANNEL_MODE_JOINT_STEREO 1 + +#define SBC_BLOCK_LENGTH_4 (1 << 3) +#define SBC_BLOCK_LENGTH_8 (1 << 2) +#define SBC_BLOCK_LENGTH_12 (1 << 1) +#define SBC_BLOCK_LENGTH_16 1 + +#define SBC_SUBBANDS_4 (1 << 1) +#define SBC_SUBBANDS_8 1 + +#define SBC_ALLOCATION_SNR (1 << 1) +#define SBC_ALLOCATION_LOUDNESS 1 + +#define MPEG_LAYER_MP1 (1 << 2) +#define MPEG_LAYER_MP2 (1 << 1) +#define MPEG_LAYER_MP3 1 + +#define MPEG_SAMPLING_FREQ_16000 (1 << 5) +#define MPEG_SAMPLING_FREQ_22050 (1 << 4) +#define MPEG_SAMPLING_FREQ_24000 (1 << 3) +#define MPEG_SAMPLING_FREQ_32000 (1 << 2) +#define MPEG_SAMPLING_FREQ_44100 (1 << 1) +#define MPEG_SAMPLING_FREQ_48000 1 #define MAX_BITPOOL 64 #define MIN_BITPOOL 2 @@ -64,6 +75,19 @@ struct sbc_codec_cap { uint8_t max_bitpool; } __attribute__ ((packed)); +struct mpeg_codec_cap { + struct avdtp_media_codec_capability cap; + uint8_t channel_mode:4; + uint8_t crc:1; + uint8_t layer:3; + uint8_t frequency:6; + uint8_t mpf:1; + uint8_t rfa:1; + uint8_t bitrate0:7; + uint8_t vbr:1; + uint8_t bitrate1; +} __attribute__ ((packed)); + #elif __BYTE_ORDER == __BIG_ENDIAN struct sbc_codec_cap { @@ -77,6 +101,19 @@ struct sbc_codec_cap { uint8_t max_bitpool; } __attribute__ ((packed)); +struct mpeg_codec_cap { + struct avdtp_media_codec_capability cap; + uint8_t layer:3; + uint8_t crc:1; + uint8_t channel_mode:4; + uint8_t rfa:1; + uint8_t mpf:1; + uint8_t frequency:6; + uint8_t vbr:1; + uint8_t bitrate0:7; + uint8_t bitrate1; +} __attribute__ ((packed)); + #else #error "Unknown byte order" #endif |