/*
* Squeezelite - lightweight headless squeezebox emulator
*
* (c) Adrian Smith 2012-2015, triode1@btinternet.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
// packet formats for slimproto
#pragma pack(push, 1)
// from S:N:Slimproto _hello_handler
struct HELO_packet {
char opcode[4];
u32_t length;
u8_t deviceid;
u8_t revision;
u8_t mac[6];
u8_t uuid[16];
u16_t wlan_channellist;
u32_t bytes_received_H, bytes_received_L;
char lang[2];
// u8_t capabilities[];
};
// S:N:Slimproto _stat_handler
struct STAT_packet {
char opcode[4];
u32_t length;
u32_t event;
u8_t num_crlf;
u8_t mas_initialized;
u8_t mas_mode;
u32_t stream_buffer_size;
u32_t stream_buffer_fullness;
u32_t bytes_received_H;
u32_t bytes_received_L;
u16_t signal_strength;
u32_t jiffies;
u32_t output_buffer_size;
u32_t output_buffer_fullness;
u32_t elapsed_seconds;
u16_t voltage;
u32_t elapsed_milliseconds;
u32_t server_timestamp;
u16_t error_code;
};
// S:N:Slimproto _disco_handler
struct DSCO_packet {
char opcode[4];
u32_t length;
u8_t reason;
};
// S:N:Slimproto _http_response_handler
struct RESP_header {
char opcode[4];
u32_t length;
// char header[] - added in sendRESP
};
// S:N:Slimproto _http_metadata_handler
struct META_header {
char opcode[4];
u32_t length;
// char metadata[]
};
// S:N:Slimproto _http_setting_handler
struct SETD_header {
char opcode[4];
u32_t length;
u8_t id;
// data
};
#if IR
struct IR_packet {
char opcode[4];
u32_t length;
u32_t jiffies;
u8_t format; // ignored by server
u8_t bits; // ignored by server
u32_t ir_code;
};
#endif
// from S:P:Squeezebox stream_s
struct strm_packet {
char opcode[4];
char command;
u8_t autostart;
u8_t format;
u8_t pcm_sample_size;
u8_t pcm_sample_rate;
u8_t pcm_channels;
u8_t pcm_endianness;
u8_t threshold;
u8_t spdif_enable;
u8_t transition_period;
u8_t transition_type;
u8_t flags;
u8_t output_threshold;
u8_t slaves;
u32_t replay_gain;
u16_t server_port;
u32_t server_ip;
//char request_string[];
};
// S:P:Squeezebox2
struct aude_packet {
char opcode[4];
u8_t enable_spdif;
u8_t enable_dac;
};
// S:P:Squeezebox2
struct audg_packet {
char opcode[4];
u32_t old_gainL; // unused
u32_t old_gainR; // unused
u8_t adjust;
u8_t preamp; // unused
u32_t gainL;
u32_t gainR;
// squence ids - unused
};
// S:P:Squeezebox2
struct cont_packet {
char opcode[4];
u32_t metaint;
u8_t loop;
// guids we don't use
};
// S:C:Commands
struct serv_packet {
char opcode[4];
u32_t server_ip;
// possible sync group
};
// S:P:Squeezebox2
struct setd_packet {
char opcode[4];
u8_t id;
char data[];
};
// codec open - this is an extension to slimproto to allow the server to read the header and then return decode params
struct codc_packet {
char opcode[4];
u8_t format;
u8_t pcm_sample_size;
u8_t pcm_sample_rate;
u8_t pcm_channels;
u8_t pcm_endianness;
};
#pragma pack(pop)