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Include memory fixes from main branch

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This commit is contained in:
sle118
2019-08-29 09:16:00 -04:00
parent 6e7793a756
commit 4a4614951e
23 changed files with 406 additions and 327 deletions
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6
components/squeezelite/buffer.c
View File

@@ -64,6 +64,11 @@ void buf_flush(struct buffer *buf) {
mutex_unlock(buf->mutex);
}
void _buf_flush(struct buffer *buf) {
buf->readp = buf->buf;
buf->writep = buf->buf;
}
// adjust buffer to multiple of mod bytes so reading in multiple always wraps on frame boundary
void buf_adjust(struct buffer *buf, size_t mod) {
size_t size;
@@ -78,6 +83,7 @@ void buf_adjust(struct buffer *buf, size_t mod) {
// called with mutex locked to resize, does not retain contents, reverts to original size if fails
void _buf_resize(struct buffer *buf, size_t size) {
if (size == buf->size) return;
free(buf->buf);
buf->buf = malloc(size);
if (!buf->buf) {

3
components/squeezelite/component.mk
View File

@@ -13,7 +13,8 @@ CFLAGS += -O3 -DLINKALL -DLOOPBACK -DNO_FAAD -DRESAMPLE16 -DEMBEDDED -DTREMOR_ON
-I$(COMPONENT_PATH)/../tools \
-I$(COMPONENT_PATH)/../codecs/inc/opus \
-I$(COMPONENT_PATH)/../codecs/inc/opusfile \
-I$(COMPONENT_PATH)/../driver_bt
-I$(COMPONENT_PATH)/../driver_bt \
-I$(COMPONENT_PATH)/../raop
# -I$(COMPONENT_PATH)/../codecs/inc/faad2

6
components/squeezelite/decode.c
View File

@@ -116,6 +116,10 @@ static void *decode_thread() {
usleep(100000);
}
}
#if EMBEDDED
deregister_external();
#endif
return 0;
}
@@ -200,7 +204,7 @@ void decode_init(log_level level, const char *include_codecs, const char *exclud
sort_codecs((include_codecs ? order_codecs - include_codecs : i), register_mpg());
#if EMBEDDED
register_other();
register_external();
#endif
LOG_DEBUG("include codecs: %s exclude codecs: %s", include_codecs ? include_codecs : "", exclude_codecs);

141
components/squeezelite/decode_bt.c
View File

@@ -1,141 +0,0 @@
/*
* Squeezelite for esp32
*
* (c) Sebastien 2019
* Philippe G. 2019, philippe_44@outlook.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/>.
*
*/
#include "squeezelite.h"
#include "bt_app_sink.h"
#define LOCK_O mutex_lock(outputbuf->mutex)
#define UNLOCK_O mutex_unlock(outputbuf->mutex)
#define LOCK_D mutex_lock(decode.mutex);
#define UNLOCK_D mutex_unlock(decode.mutex);
extern struct outputstate output;
extern struct decodestate decode;
extern struct buffer *outputbuf;
// this is the only system-wide loglevel variable
extern log_level loglevel;
/****************************************************************************************
* BT sink data handler
*/
static void bt_sink_data_handler(const uint8_t *data, uint32_t len)
{
size_t bytes;
// would be better to lock decoder, but really, it does not matter
if (decode.state != DECODE_STOPPED) {
LOG_WARN("Cannot use BT sink while LMS is controlling player");
return;
}
// there will always be room at some point
while (len) {
LOCK_O;
bytes = min(len, _buf_cont_write(outputbuf));
#if BYTES_PER_FRAME == 4
memcpy(outputbuf->writep, data, bytes);
#else
{
s16_t *iptr = (s16_t*) data;
ISAMPLE_T *optr = (ISAMPLE_T*) outputbuf->writep;
size_t n = bytes / BYTES_PER_FRAME * 2;
while (n--) *optr++ = *iptr++ << 16;
}
#endif
_buf_inc_writep(outputbuf, bytes);
len -= bytes;
data += bytes;
UNLOCK_O;
// allow i2s to empty the buffer if needed
if (len) usleep(50000);
}
}
/****************************************************************************************
* BT sink command handler
*/
static void bt_sink_cmd_handler(bt_sink_cmd_t cmd, ...)
{
va_list args;
LOCK_D;
if (decode.state != DECODE_STOPPED) {
LOG_WARN("Cannot use BT sink while LMS is controlling player");
UNLOCK_D;
return;
}
va_start(args, cmd);
if (cmd != BT_SINK_VOLUME) LOCK_O;
switch(cmd) {
case BT_SINK_CONNECTED:
output.state = OUTPUT_STOPPED;
LOG_INFO("BT sink started");
break;
case BT_SINK_DISCONNECTED:
output.state = OUTPUT_OFF;
LOG_INFO("BT sink stopped");
break;
case BT_SINK_PLAY:
output.state = OUTPUT_EXTERNAL;
LOG_INFO("BT sink playing");
break;
case BT_SINK_PAUSE:
case BT_SINK_STOP:
output.state = OUTPUT_STOPPED;
LOG_INFO("BT sink stopped");
break;
case BT_SINK_RATE:
output.current_sample_rate = va_arg(args, u32_t);
LOG_INFO("Setting BT sample rate %u", output.current_sample_rate);
break;
case BT_SINK_VOLUME: {
u16_t volume = (u16_t) va_arg(args, u32_t);
volume *= 65536 / 128;
set_volume(volume, volume);
break;
}
}
if (cmd != BT_SINK_VOLUME) UNLOCK_O;
UNLOCK_D;
va_end(args);
}
/****************************************************************************************
* We provide the generic codec register option
*/
void register_other(void) {
#ifdef CONFIG_BT_SINK
if (!strcasestr(output.device, "BT ")) {
bt_sink_init(bt_sink_cmd_handler, bt_sink_data_handler);
LOG_INFO("Initializing BT sink");
} else {
LOG_WARN("Cannot be a BT sink and source");
}
#endif
}

18
components/squeezelite/embedded.h
View File

@@ -19,10 +19,10 @@
#define PTHREAD_STACK_MIN 256
#endif
#define STREAM_THREAD_STACK_SIZE 8 * 1024
#define DECODE_THREAD_STACK_SIZE 20 * 1024
#define OUTPUT_THREAD_STACK_SIZE 8 * 1024
#define IR_THREAD_STACK_SIZE 8 * 1024
#define STREAM_THREAD_STACK_SIZE 6 * 1024
#define DECODE_THREAD_STACK_SIZE 16 * 1024
#define OUTPUT_THREAD_STACK_SIZE 6 * 1024
#define IR_THREAD_STACK_SIZE 6 * 1024
//#define BASE_CAP "Model=squeezelite,AccuratePlayPoints=0,HasDigitalOut=1,HasPolarityInversion=1,Firmware=" VERSION
@@ -36,9 +36,13 @@ typedef unsigned long long u64_t;
#define gettime_ms _gettime_ms_
#define mutex_create_p(m) mutex_create(m)
uint32_t _gettime_ms_(void);
int pthread_create_name(pthread_t *thread, _CONST pthread_attr_t *attr,
uint32_t _gettime_ms_(void);
int pthread_create_name(pthread_t *thread, _CONST pthread_attr_t *attr,
void *(*start_routine)( void * ), void *arg, char *name);
void register_other(void);
// these are here as they can be #define to nothing
void register_external(void);
void deregister_external(void);
#endif // EMBEDDED_H

2
components/squeezelite/opus.c
View File

@@ -139,7 +139,7 @@ static decode_state opus_decompress(void) {
info = OP(u, head, u->of, -1);
LOCK_O;
output.next_sample_rate = 48000;
output.next_sample_rate = decode_newstream(48000, output.supported_rates);
IF_DSD( output.next_fmt = PCM; )
output.track_start = outputbuf->writep;
if (output.fade_mode) _checkfade(true);

3
components/squeezelite/output.c
View File

@@ -345,8 +345,9 @@ void output_init_common(log_level level, const char *device, unsigned output_buf
unsigned i;
loglevel = level;
output_buf_size = output_buf_size - (output_buf_size % BYTES_PER_FRAME);
output.init_size = output_buf_size;
LOG_DEBUG("outputbuf size: %u", output_buf_size);
buf_init(outputbuf, output_buf_size);

18
components/squeezelite/output_bt.c
View File

@@ -19,6 +19,7 @@
*
*/
#include "driver/gpio.h"
#include "squeezelite.h"
#include "perf_trace.h"
@@ -38,10 +39,12 @@ extern u8_t *silencebuf;
extern void hal_bluetooth_init(const char * options);
extern void hal_bluetooth_stop(void);
extern u8_t config_spdif_gpio;
static log_level loglevel;
static bool running = false;
uint8_t * btout;
static uint8_t *btout;
static frames_t oframes;
static int _write_frames(frames_t out_frames, bool silence, s32_t gainL, s32_t gainR,
s32_t cross_gain_in, s32_t cross_gain_out, ISAMPLE_T **cross_ptr);
@@ -65,6 +68,11 @@ static int _write_frames(frames_t out_frames, bool silence, s32_t gainL, s32_t g
DECLARE_ALL_MIN_MAX;
void output_init_bt(log_level level, char *device, unsigned output_buf_size, char *params, unsigned rates[], unsigned rate_delay, unsigned idle) {
#ifdef CONFIG_SQUEEZEAMP
gpio_pad_select_gpio(config_spdif_gpio);
gpio_set_direction(config_spdif_gpio, GPIO_MODE_OUTPUT);
gpio_set_level(config_spdif_gpio, 0);
#endif
loglevel = level;
running = true;
output.write_cb = &_write_frames;
@@ -94,12 +102,12 @@ static int _write_frames(frames_t out_frames, bool silence, s32_t gainL, s32_t g
}
#if BYTES_PER_FRAME == 4
memcpy(btout, outputbuf->readp, out_frames * BYTES_PER_FRAME);
memcpy(btout + oframes * BYTES_PER_FRAME, outputbuf->readp, out_frames * BYTES_PER_FRAME);
#else
{
frames_t count = out_frames;
s32_t *_iptr = (s32_t*) outputbuf->readp;
s16_t *_optr = (s16_t*) bt_optr;
s16_t *_optr = (s16_t*) (btout + oframes * BYTES_PER_FRAME);
while (count--) {
*_optr++ = *_iptr++ >> 16;
*_optr++ = *_iptr++ >> 16;
@@ -110,7 +118,7 @@ static int _write_frames(frames_t out_frames, bool silence, s32_t gainL, s32_t g
} else {
u8_t *buf = silencebuf;
memcpy(btout, buf, out_frames * BYTES_PER_FRAME);
memcpy(btout + oframes * BYTES_PER_FRAME, buf, out_frames * BYTES_PER_FRAME);
}
return (int)out_frames;
@@ -124,6 +132,7 @@ int32_t output_bt_data(uint8_t *data, int32_t len) {
}
btout = data;
oframes = 0;
// This is how the BTC layer calculates the number of bytes to
// for us to send. (BTC_SBC_DEC_PCM_DATA_LEN * sizeof(OI_INT16) - availPcmBytes
@@ -143,6 +152,7 @@ int32_t output_bt_data(uint8_t *data, int32_t len) {
if (wanted_len > 0) {
SET_MIN_MAX(wanted_len, under);
}
output.frames_in_process = len-wanted_len;
UNLOCK;
SET_MIN_MAX(TIME_MEASUREMENT_GET(start_timer),lock_out_time);

92
components/squeezelite/output_i2s.c
View File

@@ -41,6 +41,7 @@ sure that using rate_delay would fix that
*/
#include "squeezelite.h"
#include "esp_pthread.h"
#include "driver/i2s.h"
#include "driver/i2c.h"
#include "driver/gpio.h"
@@ -84,9 +85,9 @@ sure that using rate_delay would fix that
typedef enum { DAC_ON = 0, DAC_OFF, DAC_POWERDOWN, DAC_VOLUME } dac_cmd_e;
// must have an integer ratio with FRAME_BLOCK
// must have an integer ratio with FRAME_BLOCK (see spdif comment)
#define DMA_BUF_LEN 512
#define DMA_BUF_COUNT 16
#define DMA_BUF_COUNT 12
#define DECLARE_ALL_MIN_MAX \
DECLARE_MIN_MAX(o); \
@@ -115,7 +116,9 @@ static i2s_config_t i2s_config;
static int bytes_per_frame;
static thread_type thread, stats_thread;
static u8_t *obuf;
static frames_t oframes;
static bool spdif;
static size_t dma_buf_frames;
DECLARE_ALL_MIN_MAX;
@@ -151,12 +154,14 @@ static void spdif_convert(ISAMPLE_T *src, size_t frames, u32_t *dst, size_t *cou
#define I2C_PORT 0
#define I2C_ADDR 0x4c
#define VOLUME_GPIO 33
#define JACK_GPIO 39
#define JACK_GPIO 34
struct tas575x_cmd_s {
u8_t reg;
u8_t value;
};
u8_t config_spdif_gpio = CONFIG_SPDIF_DO_IO;
static const struct tas575x_cmd_s tas575x_init_sequence[] = {
{ 0x00, 0x00 }, // select page 0
@@ -192,9 +197,9 @@ void output_init_i2s(log_level level, char *device, unsigned output_buf_size, ch
#ifdef TAS575x
gpio_pad_select_gpio(JACK_GPIO);
gpio_set_direction(JACK_GPIO, GPIO_MODE_INPUT);
adc1_config_width(ADC_WIDTH_BIT_12);
adc1_config_channel_atten(ADC1_CHANNEL_0,ADC_ATTEN_DB_0);
adc1_config_channel_atten(ADC1_CHANNEL_7, ADC_ATTEN_DB_0);
// init volume & mute
gpio_pad_select_gpio(VOLUME_GPIO);
@@ -266,27 +271,37 @@ void output_init_i2s(log_level level, char *device, unsigned output_buf_size, ch
};
i2s_config.sample_rate = output.current_sample_rate * 2;
i2s_config.bits_per_sample = 32;
// Normally counted in frames, but 16 sample are transformed into 32 bits in spdif
i2s_config.dma_buf_len = DMA_BUF_LEN / 2;
i2s_config.dma_buf_count = DMA_BUF_COUNT * 2;
/*
In DMA, we have room for (LEN * COUNT) frames of 32 bits samples that
we push at sample_rate * 2. Each of these peuso-frames is a single true
audio frame. So the real depth is true frames is (LEN * COUNT / 2)
*/
dma_buf_frames = DMA_BUF_COUNT * DMA_BUF_LEN / 2;
} else {
pin_config = (i2s_pin_config_t) { .bck_io_num = CONFIG_I2S_BCK_IO, .ws_io_num = CONFIG_I2S_WS_IO,
.data_out_num = CONFIG_I2S_DO_IO, .data_in_num = -1 //Not used
};
i2s_config.sample_rate = output.current_sample_rate;
i2s_config.bits_per_sample = bytes_per_frame * 8 / 2;
#ifdef TAS575x
// Counted in frames (but i2s allocates a buffer <= 4092 bytes)
i2s_config.dma_buf_len = DMA_BUF_LEN;
i2s_config.dma_buf_count = DMA_BUF_COUNT;
dma_buf_frames = DMA_BUF_COUNT * DMA_BUF_LEN;
#ifdef TAS575x
gpio_pad_select_gpio(CONFIG_SPDIF_DO_IO);
gpio_set_direction(CONFIG_SPDIF_DO_IO, GPIO_MODE_OUTPUT);
gpio_set_level(CONFIG_SPDIF_DO_IO, 0);
#endif
}
i2s_config.mode = I2S_MODE_MASTER | I2S_MODE_TX;
i2s_config.channel_format = I2S_CHANNEL_FMT_RIGHT_LEFT;
i2s_config.communication_format = I2S_COMM_FORMAT_I2S| I2S_COMM_FORMAT_I2S_MSB;
// in case of overflow, do not replay old buffer
i2s_config.tx_desc_auto_clear = true;
i2s_config.dma_buf_count = DMA_BUF_COUNT;
// Counted in frames (but i2s allocates a buffer <= 4092 bytes)
i2s_config.dma_buf_len = DMA_BUF_LEN;
i2s_config.use_apll = true;
i2s_config.intr_alloc_flags = ESP_INTR_FLAG_LEVEL1; //Interrupt level 1
@@ -301,15 +316,21 @@ void output_init_i2s(log_level level, char *device, unsigned output_buf_size, ch
isI2SStarted=false;
dac_cmd(DAC_OFF);
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN + OUTPUT_THREAD_STACK_SIZE);
pthread_create_name(&thread, &attr, output_thread_i2s, NULL, "output_i2s");
pthread_attr_destroy(&attr);
// leave stack size to default
pthread_create_name(&stats_thread, NULL, output_thread_i2s_stats, NULL, "output_i2s_sts");
esp_pthread_cfg_t cfg = esp_pthread_get_default_config();
cfg.thread_name= "output_i2s";
cfg.inherit_cfg = false;
cfg.prio = CONFIG_ESP32_PTHREAD_TASK_PRIO_DEFAULT + 1;
cfg.stack_size = PTHREAD_STACK_MIN + OUTPUT_THREAD_STACK_SIZE;
esp_pthread_set_cfg(&cfg);
pthread_create(&thread, NULL, output_thread_i2s, NULL);
cfg.thread_name= "output_i2s_sts";
cfg.prio = CONFIG_ESP32_PTHREAD_TASK_PRIO_DEFAULT - 1;
cfg.stack_size = 2048;
esp_pthread_set_cfg(&cfg);
pthread_create(&stats_thread, NULL, output_thread_i2s_stats, NULL);
}
@@ -361,13 +382,13 @@ static int _i2s_write_frames(frames_t out_frames, bool silence, s32_t gainL, s32
_apply_gain(outputbuf, out_frames, gainL, gainR);
}
memcpy(obuf, outputbuf->readp, out_frames * bytes_per_frame);
memcpy(obuf + oframes * bytes_per_frame, outputbuf->readp, out_frames * bytes_per_frame);
#else
optr = (s32_t*) outputbuf->readp;
#endif
} else {
#if BYTES_PER_FRAME == 4
memcpy(obuf, silencebuf, out_frames * bytes_per_frame);
memcpy(obuf + oframes * bytes_per_frame, silencebuf, out_frames * bytes_per_frame);
#else
optr = (s32_t*) silencebuf;
#endif
@@ -381,19 +402,20 @@ static int _i2s_write_frames(frames_t out_frames, bool silence, s32_t gainL, s32
dsd_invert((u32_t *) optr, out_frames);
)
_scale_and_pack_frames(obuf, optr, out_frames, gainL, gainR, output.format);
_scale_and_pack_frames(obuf + oframes * bytes_per_frame, optr, out_frames, gainL, gainR, output.format);
#endif
oframes += out_frames;
return out_frames;
}
/****************************************************************************************
* Main output thread
*/
static void *output_thread_i2s() {
size_t count = 0, bytes;
frames_t iframes = FRAME_BLOCK, oframes;
frames_t iframes = FRAME_BLOCK;
uint32_t timer_start = 0;
int discard = 0;
uint32_t fullness = gettime_ms();
@@ -404,14 +426,14 @@ static void *output_thread_i2s() {
// spdif needs 16 bytes per frame : 32 bits/sample, 2 channels, BMC encoded
if (spdif && (sbuf = malloc(FRAME_BLOCK * 16)) == NULL) {
LOG_ERROR("Cannot allocate SPDIF buffer");
}
}
while (running) {
TIME_MEASUREMENT_START(timer_start);
LOCK;
// manage led display
if (state != output.state) {
LOG_INFO("Output state is %d", output.state);
@@ -435,12 +457,15 @@ static void *output_thread_i2s() {
synced = false;
}
oframes = 0;
output.updated = gettime_ms();
output.frames_played_dmp = output.frames_played;
// try to estimate how much we have consumed from the DMA buffer
output.device_frames = DMA_BUF_COUNT * DMA_BUF_LEN - ((output.updated - fullness) * output.current_sample_rate) / 1000;
oframes = _output_frames( iframes );
// try to estimate how much we have consumed from the DMA buffer (calculation is incorrect at the very beginning ...)
output.device_frames = dma_buf_frames - ((output.updated - fullness) * output.current_sample_rate) / 1000;
_output_frames( iframes );
// oframes must be a global updated by the write callback
output.frames_in_process = oframes;
SET_MIN_MAX_SIZED(oframes,rec,iframes);
SET_MIN_MAX_SIZED(_buf_used(outputbuf),o,outputbuf->size);
SET_MIN_MAX_SIZED(_buf_used(streambuf),s,streambuf->size);
@@ -501,7 +526,7 @@ static void *output_thread_i2s() {
if (bytes != oframes * bytes_per_frame) {
LOG_WARN("I2S DMA Overflow! available bytes: %d, I2S wrote %d bytes", oframes * bytes_per_frame, bytes);
}
SET_MIN_MAX( TIME_MEASUREMENT_GET(timer_start),i2s_time);
}
@@ -517,7 +542,7 @@ static void *output_thread_i2s() {
static void *output_thread_i2s_stats() {
while (running) {
#ifdef TAS575x
LOG_ERROR("Jack %d Voltage %.2fV", !gpio_get_level(JACK_GPIO), adc1_get_raw(ADC1_CHANNEL_0) / 4095. * (10+169)/10. * 1.1);
LOG_ERROR("Jack %d Voltage %.2fV", !gpio_get_level(JACK_GPIO), adc1_get_raw(ADC1_CHANNEL_7) / 4095. * (10+174)/10. * 1.1);
#endif
LOCK;
output_state state = output.state;
@@ -542,6 +567,11 @@ static void *output_thread_i2s_stats() {
LOG_INFO(" ----------+----------+-----------+-----------+");
RESET_ALL_MIN_MAX;
}
LOG_INFO("Heap internal:%zu (min:%zu) external:%zu (min:%zu)",
heap_caps_get_free_size(MALLOC_CAP_INTERNAL),
heap_caps_get_minimum_free_size(MALLOC_CAP_INTERNAL),
heap_caps_get_free_size(MALLOC_CAP_SPIRAM),
heap_caps_get_minimum_free_size(MALLOC_CAP_SPIRAM));
usleep(STATS_PERIOD_MS *1000);
}
return NULL;

9
components/squeezelite/slimproto.c
View File

@@ -371,6 +371,8 @@ static void process_strm(u8_t *pkt, int len) {
sendSTAT("STMc", 0);
sentSTMu = sentSTMo = sentSTMl = false;
LOCK_O;
output.external = false;
_buf_resize(outputbuf, output.init_size);
output.threshold = strm->output_threshold;
output.next_replay_gain = unpackN(&strm->replay_gain);
output.fade_mode = strm->transition_type - '0';
@@ -629,7 +631,6 @@ static void slimproto_run() {
#endif
last = now;
LOCK_S;
status.stream_full = _buf_used(streambuf);
status.stream_size = streambuf->size;
@@ -688,7 +689,7 @@ static void slimproto_run() {
status.current_sample_rate = output.current_sample_rate;
status.updated = output.updated;
status.device_frames = output.device_frames;
if (output.track_started) {
_sendSTMs = true;
output.track_started = false;
@@ -703,7 +704,7 @@ static void slimproto_run() {
if (_start_output && (output.state == OUTPUT_STOPPED || output.state == OUTPUT_OFF)) {
output.state = OUTPUT_BUFFER;
}
if (output.state == OUTPUT_RUNNING && !sentSTMu && status.output_full == 0 && status.stream_state <= DISCONNECT &&
if (!output.external && output.state == OUTPUT_RUNNING && !sentSTMu && status.output_full == 0 && status.stream_state <= DISCONNECT &&
_decode_state == DECODE_STOPPED) {
_sendSTMu = true;
@@ -721,7 +722,7 @@ static void slimproto_run() {
output.state = OUTPUT_OFF;
LOG_DEBUG("output timeout");
}
if (output.state == OUTPUT_RUNNING && now - status.last > 1000) {
if (!output.external && output.state == OUTPUT_RUNNING && now - status.last > 1000) {
_sendSTMt = true;
status.last = now;
}

6
components/squeezelite/squeezelite.h
View File

@@ -539,6 +539,7 @@ unsigned _buf_cont_write(struct buffer *buf);
void _buf_inc_readp(struct buffer *buf, unsigned by);
void _buf_inc_writep(struct buffer *buf, unsigned by);
void buf_flush(struct buffer *buf);
void _buf_flush(struct buffer *buf);
void buf_adjust(struct buffer *buf, size_t mod);
void _buf_resize(struct buffer *buf, size_t size);
void buf_init(struct buffer *buf, size_t size);
@@ -634,7 +635,7 @@ bool resample_init(char *opt);
// output.c output_alsa.c output_pa.c output_pack.c
typedef enum { OUTPUT_OFF = -1, OUTPUT_STOPPED = 0, OUTPUT_BUFFER, OUTPUT_RUNNING,
OUTPUT_PAUSE_FRAMES, OUTPUT_SKIP_FRAMES, OUTPUT_START_AT, OUTPUT_EXTERNAL } output_state;
OUTPUT_PAUSE_FRAMES, OUTPUT_SKIP_FRAMES, OUTPUT_START_AT } output_state;
#if DSD
typedef enum { PCM, DOP, DSD_U8, DSD_U16_LE, DSD_U32_LE, DSD_U16_BE, DSD_U32_BE, DOP_S24_LE, DOP_S24_3LE } dsd_format;
@@ -654,6 +655,8 @@ struct outputstate {
output_state state;
output_format format;
const char *device;
bool external;
u32_t init_size;
#if ALSA
unsigned buffer;
unsigned period;
@@ -673,6 +676,7 @@ struct outputstate {
unsigned default_sample_rate;
bool error_opening;
unsigned device_frames;
unsigned frames_in_process;
u32_t updated;
u32_t track_start_time;
u32_t current_replay_gain;