diff options
Diffstat (limited to 'stack/include/a2d_m12.h')
-rw-r--r-- | stack/include/a2d_m12.h | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/stack/include/a2d_m12.h b/stack/include/a2d_m12.h deleted file mode 100644 index 2cc5ef9..0000000 --- a/stack/include/a2d_m12.h +++ /dev/null @@ -1,145 +0,0 @@ -/***************************************************************************** -** -** Name: a2d_m12.h -** -** Description:Interface to MPEG-1, 2 Audio -** -** Copyright (c) 2000-2004, WIDCOMM Inc., All Rights Reserved. -** WIDCOMM Bluetooth Core. Proprietary and confidential. -** -*****************************************************************************/ -#ifndef A2D_M12_H -#define A2D_M12_H - -/***************************************************************************** -** Constants -*****************************************************************************/ -/* the length of the MPEG_1, 2 Audio Media Payload header. */ -#define A2D_M12_MPL_HDR_LEN 4 - -/* the LOSC of MPEG_1, 2 Audio media codec capabilitiy */ -#define A2D_M12_INFO_LEN 6 - -/* for Codec Specific Information Element */ -#define A2D_M12_IE_LAYER_MSK 0xE0 /* b7-b5 layer */ -#define A2D_M12_IE_LAYER1 0x80 /* b7: layer1 (mp1) */ -#define A2D_M12_IE_LAYER2 0x40 /* b6: layer2 (mp2) */ -#define A2D_M12_IE_LAYER3 0x20 /* b5: layer3 (mp3) */ - -#define A2D_M12_IE_CRC_MSK 0x10 /* b4: CRC */ - -#define A2D_M12_IE_CH_MD_MSK 0x0F /* b3-b0 channel mode */ -#define A2D_M12_IE_CH_MD_MONO 0x08 /* b3: mono */ -#define A2D_M12_IE_CH_MD_DUAL 0x04 /* b2: dual */ -#define A2D_M12_IE_CH_MD_STEREO 0x02 /* b1: stereo */ -#define A2D_M12_IE_CH_MD_JOINT 0x01 /* b0: joint stereo */ - -#define A2D_M12_IE_MPF_MSK 0x40 /* b6: MPF */ - -#define A2D_M12_IE_SAMP_FREQ_MSK 0x3F /* b5-b0 sampling frequency */ -#define A2D_M12_IE_SAMP_FREQ_16 0x20 /* b5:16 kHz */ -#define A2D_M12_IE_SAMP_FREQ_22 0x10 /* b4:22.05kHz */ -#define A2D_M12_IE_SAMP_FREQ_24 0x08 /* b3:24 kHz */ -#define A2D_M12_IE_SAMP_FREQ_32 0x04 /* b2:32 kHz */ -#define A2D_M12_IE_SAMP_FREQ_44 0x02 /* b1:44.1kHz */ -#define A2D_M12_IE_SAMP_FREQ_48 0x01 /* b0:48 kHz */ - -#define A2D_M12_IE_VBR_MSK 0x80 /* b7: VBR */ - -#define A2D_M12_IE_BITRATE_MSK 0x7FFF /* b6-b0 of octect 2, all of octect3*/ -#define A2D_M12_IE_BITRATE_0 0x0001 /* 0000 */ -#define A2D_M12_IE_BITRATE_1 0x0002 /* 0001 */ -#define A2D_M12_IE_BITRATE_2 0x0004 /* 0010 */ -#define A2D_M12_IE_BITRATE_3 0x0008 /* 0011 */ -#define A2D_M12_IE_BITRATE_4 0x0010 /* 0100 */ -#define A2D_M12_IE_BITRATE_5 0x0020 /* 0101 */ -#define A2D_M12_IE_BITRATE_6 0x0040 /* 0110 */ -#define A2D_M12_IE_BITRATE_7 0x0080 /* 0111 */ -#define A2D_M12_IE_BITRATE_8 0x0100 /* 1000 */ -#define A2D_M12_IE_BITRATE_9 0x0200 /* 1001 */ -#define A2D_M12_IE_BITRATE_10 0x0400 /* 1010 */ -#define A2D_M12_IE_BITRATE_11 0x0800 /* 1011 */ -#define A2D_M12_IE_BITRATE_12 0x1000 /* 1100 */ -#define A2D_M12_IE_BITRATE_13 0x2000 /* 1101 */ -#define A2D_M12_IE_BITRATE_14 0x4000 /* 1110 */ - -#define A2D_BLD_M12_PML_HDR(p_dst,frag_offset) {UINT16_TO_BE_STREAM(p_dst, 0); \ - UINT16_TO_BE_STREAM(p_dst, frag_offset); } - -#define A2D_PARS_M12_PML_HDR(p_src,frag_offset) {BE_STREAM_TO_UINT16(frag_offset, p_src); \ - BE_STREAM_TO_UINT16(frag_offset, p_src); } - - -/***************************************************************************** -** Type Definitions -*****************************************************************************/ - -/* data type for the MPEG-1, 2 Audio Codec Information Element*/ -typedef struct -{ - UINT8 layer; /* layers */ - BOOLEAN crc; /* Support of CRC protection or not */ - UINT8 ch_mode; /* Channel mode */ - UINT8 mpf; /* 1, if MPF-2 is supported. 0, otherwise */ - UINT8 samp_freq; /* Sampling frequency */ - BOOLEAN vbr; /* Variable Bit Rate */ - UINT16 bitrate; /* Bit rate index */ -} tA2D_M12_CIE; - -/***************************************************************************** -** External Function Declarations -*****************************************************************************/ -#ifdef __cplusplus -extern "C" -{ -#endif -/****************************************************************************** -** -** Function A2D_BldM12Info -** -** Description This function is called by an application to build -** the MPEG-1, 2 Audio Media Codec Capabilities byte sequence -** beginning from the LOSC octet. -** Input Parameters: -** media_type: Indicates Audio, or Multimedia. -** -** p_ie: The MPEG-1, 2 Audio Codec Information Element -** information. -** -** Output Parameters: -** p_result: the resulting codec info byte sequence. -** -** Returns A2D_SUCCESS if function execution succeeded. -** Error status code, otherwise. -******************************************************************************/ -A2D_API extern tA2D_STATUS A2D_BldM12Info(UINT8 media_type, tA2D_M12_CIE *p_ie, - UINT8 *p_result); - -/****************************************************************************** -** -** Function A2D_ParsM12Info -** -** Description This function is called by an application to parse -** the MPEG-1, 2 Audio Media Codec Capabilities byte sequence -** beginning from the LOSC octet. -** Input Parameters: -** p_info: the byte sequence to parse. -** -** for_caps: TRUE, if the byte sequence is for get capabilities -** response. -** -** Output Parameters: -** p_ie: The MPEG-1, 2 Audio Codec Information Element -** information. -** -** Returns A2D_SUCCESS if function execution succeeded. -** Error status code, otherwise. -******************************************************************************/ -A2D_API extern tA2D_STATUS A2D_ParsM12Info(tA2D_M12_CIE *p_ie, UINT8 *p_info, - BOOLEAN for_caps); - -#ifdef __cplusplus -} -#endif - -#endif /* A2D_M12_H */ |