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equalizer - release

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This commit is contained in:
Philippe G
2020-04-17 08:03:17 -07:00
parent 7e4c0d2ac4
commit 394d6b6465
17 changed files with 283 additions and 9 deletions
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31
components/squeezelite/output_embedded.c
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@@ -19,10 +19,13 @@
*
*/
#include "squeezelite.h"
#include "equalizer.h"
extern struct outputstate output;
extern struct buffer *outputbuf;
static bool (*slimp_handler_chain)(u8_t *data, int len);
#define FRAME_BLOCK MAX_SILENCE_FRAMES
#define LOCK mutex_lock(outputbuf->mutex)
@@ -47,11 +50,39 @@ static log_level loglevel;
static bool (*volume_cb)(unsigned left, unsigned right);
static void (*close_cb)(void);
#pragma pack(push, 1)
struct eqlz_packet {
char opcode[4];
};
#pragma pack(pop)
static bool handler(u8_t *data, int len){
bool res = true;
if (!strncmp((char*) data, "eqlz", 4)) {
s8_t *gain = (s8_t*) (data + sizeof(struct eqlz_packet));
LOG_INFO("got equalizer %d", len);
// update will be done at next opportunity
equalizer_update(gain);
} else {
res = false;
}
// chain protocol handlers (bitwise or is fine)
if (*slimp_handler_chain) res |= (*slimp_handler_chain)(data, len);
return res;
}
void output_init_embedded(log_level level, char *device, unsigned output_buf_size, char *params,
unsigned rates[], unsigned rate_delay, unsigned idle) {
loglevel = level;
LOG_INFO("init device: %s", device);
// chain handlers
slimp_handler_chain = slimp_handler;
slimp_handler = handler;
memset(&output, 0, sizeof(output));
output_init_common(level, device, output_buf_size, rates, idle);
output.start_frames = FRAME_BLOCK;