full directory structure

main/slimproto.h

@@ -0,0 +1,185 @@
+/* 
+ *  Squeezelite - lightweight headless squeezebox emulator
+ *
+ *  (c) Adrian Smith 2012-2015, triode1@btinternet.com
+ *      Ralph Irving 2015-2017, ralph_irving@hotmail.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
+
+#ifndef SUN
+#pragma pack(push, 1)
+#else
+#pragma pack(1)
+#endif
+
+// 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;
+};
+
+#ifndef SUN
+#pragma pack(pop)
+#else
+#pragma pack()
+#endif