forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
165 lines
4.4 KiB
165 lines
4.4 KiB
/* |
|
Copyright (c) 2012, Broadcom Europe Ltd |
|
All rights reserved. |
|
|
|
Redistribution and use in source and binary forms, with or without |
|
modification, are permitted provided that the following conditions are met: |
|
* Redistributions of source code must retain the above copyright |
|
notice, this list of conditions and the following disclaimer. |
|
* Redistributions in binary form must reproduce the above copyright |
|
notice, this list of conditions and the following disclaimer in the |
|
documentation and/or other materials provided with the distribution. |
|
* Neither the name of the copyright holder nor the |
|
names of its contributors may be used to endorse or promote products |
|
derived from this software without specific prior written permission. |
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
|
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
|
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
|
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY |
|
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
|
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
|
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
|
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
|
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
|
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|
*/ |
|
|
|
#ifndef _VC_AUDIO_DEFS_H_ |
|
#define _VC_AUDIO_DEFS_H_ |
|
|
|
#define VC_AUDIOSERV_MIN_VER 1 |
|
#define VC_AUDIOSERV_VER 3 |
|
|
|
// FourCC code used for VCHI connection |
|
#define VC_AUDIO_SERVER_NAME MAKE_FOURCC("AUDS") |
|
|
|
// Maximum message length |
|
#define VC_AUDIO_MAX_MSG_LEN (sizeof( VC_AUDIO_MSG_T )) |
|
|
|
// List of screens that are currently supported |
|
// All message types supported for HOST->VC direction |
|
typedef enum |
|
{ |
|
VC_AUDIO_MSG_TYPE_RESULT, // Generic result |
|
VC_AUDIO_MSG_TYPE_COMPLETE, // playback of samples complete |
|
VC_AUDIO_MSG_TYPE_CONFIG, // Configure |
|
VC_AUDIO_MSG_TYPE_CONTROL, // control |
|
VC_AUDIO_MSG_TYPE_OPEN, // open |
|
VC_AUDIO_MSG_TYPE_CLOSE, // close/shutdown |
|
VC_AUDIO_MSG_TYPE_START, // start output (i.e. resume) |
|
VC_AUDIO_MSG_TYPE_STOP, // stop output (i.e. pause) |
|
VC_AUDIO_MSG_TYPE_WRITE, // write samples |
|
VC_AUDIO_MSG_TYPE_LATENCY, // request latency in cycles |
|
VC_AUDIO_MSG_TYPE_MAX |
|
|
|
} VC_AUDIO_MSG_TYPE; |
|
|
|
static const char *vc_audio_msg_type_names[] = { |
|
"VC_AUDIO_MSG_TYPE_RESULT", |
|
"VC_AUDIO_MSG_TYPE_COMPLETE", |
|
"VC_AUDIO_MSG_TYPE_CONFIG", |
|
"VC_AUDIO_MSG_TYPE_CONTROL", |
|
"VC_AUDIO_MSG_TYPE_OPEN", |
|
"VC_AUDIO_MSG_TYPE_CLOSE", |
|
"VC_AUDIO_MSG_TYPE_START", |
|
"VC_AUDIO_MSG_TYPE_STOP", |
|
"VC_AUDIO_MSG_TYPE_WRITE", |
|
"VC_AUDIO_MSG_TYPE_MAX" |
|
}; |
|
|
|
// configure the audio |
|
typedef struct |
|
{ |
|
uint32_t channels; |
|
uint32_t samplerate; |
|
uint32_t bps; |
|
uint32_t channelmap; |
|
|
|
} VC_AUDIO_CONFIG_T; |
|
|
|
typedef struct |
|
{ |
|
uint32_t volume; |
|
uint32_t dest; |
|
|
|
} VC_AUDIO_CONTROL_T; |
|
|
|
// audio |
|
typedef struct |
|
{ |
|
uint32_t dummy; |
|
|
|
} VC_AUDIO_OPEN_T; |
|
|
|
// audio |
|
typedef struct |
|
{ |
|
uint32_t dummy; |
|
|
|
} VC_AUDIO_CLOSE_T; |
|
// audio |
|
typedef struct |
|
{ |
|
uint32_t dummy; |
|
|
|
} VC_AUDIO_START_T; |
|
// audio |
|
typedef struct |
|
{ |
|
uint32_t draining; |
|
|
|
} VC_AUDIO_STOP_T; |
|
// audio |
|
typedef struct |
|
{ |
|
uint32_t dummy; |
|
|
|
} VC_AUDIO_LATENCY_T; |
|
|
|
// configure the write audio samples |
|
typedef struct |
|
{ |
|
uint32_t count; // in bytes |
|
void *callback; |
|
void *cookie; |
|
uint16_t silence; |
|
uint16_t max_packet; |
|
} VC_AUDIO_WRITE_T; |
|
|
|
// Generic result for a request (VC->HOST) |
|
typedef struct |
|
{ |
|
int32_t success; // Success value |
|
|
|
} VC_AUDIO_RESULT_T; |
|
|
|
// Generic result for a request (VC->HOST) |
|
typedef struct |
|
{ |
|
int32_t count; // Success value |
|
void *callback; |
|
void *cookie; |
|
} VC_AUDIO_COMPLETE_T; |
|
|
|
// Message header for all messages in HOST->VC direction |
|
typedef struct |
|
{ |
|
int32_t type; // Message type (VC_AUDIO_MSG_TYPE) |
|
union |
|
{ |
|
VC_AUDIO_CONFIG_T config; |
|
VC_AUDIO_CONTROL_T control; |
|
VC_AUDIO_OPEN_T open; |
|
VC_AUDIO_CLOSE_T close; |
|
VC_AUDIO_START_T start; |
|
VC_AUDIO_STOP_T stop; |
|
VC_AUDIO_WRITE_T write; |
|
VC_AUDIO_LATENCY_T latency; |
|
VC_AUDIO_RESULT_T result; |
|
VC_AUDIO_COMPLETE_T complete; |
|
} u; |
|
} VC_AUDIO_MSG_T; |
|
|
|
|
|
#endif // _VC_AUDIO_DEFS_H_
|
|
|