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32 bits mode for AirPlay

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This commit is contained in:
Philippe G
2021-03-06 23:04:05 -08:00
parent 1063cd5899
commit b0d8401274
1 changed files with 11 additions and 7 deletions
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18
components/squeezelite/decode_external.c
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@@ -31,7 +31,9 @@ extern log_level loglevel;
static bool enable_bt_sink;
static bool enable_airplay;
#define RAOP_OUTPUT_SIZE (RAOP_SAMPLE_RATE * 2 * 2 * 2 * 1.2)
static unsigned bt_volume;
#define RAOP_OUTPUT_SIZE (((RAOP_SAMPLE_RATE * BYTES_PER_FRAME * 2 * 120) / 100) & ~BYTES_PER_FRAME)
#define SYNC_WIN_SLOW 32
#define SYNC_WIN_CHECK 8
#define SYNC_WIN_FAST 2
@@ -63,19 +65,19 @@ static void sink_data_handler(const uint8_t *data, uint32_t len)
while (len) {
LOCK_O;
bytes = min(_buf_space(outputbuf), _buf_cont_write(outputbuf));
bytes = min(_buf_space(outputbuf), _buf_cont_write(outputbuf)) / (BYTES_PER_FRAME / 4);
bytes = min(len, bytes);
#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;
ISAMPLE_T *optr = (ISAMPLE_T *) outputbuf->writep;
size_t n = bytes / 2;
while (n--) *optr++ = *iptr++ << 16;
}
#endif
_buf_inc_writep(outputbuf, bytes);
_buf_inc_writep(outputbuf, bytes * BYTES_PER_FRAME / 4);
space = _buf_space(outputbuf);
len -= bytes;
@@ -106,10 +108,12 @@ static bool bt_sink_cmd_handler(bt_sink_cmd_t cmd, va_list args)
LOCK_D;
if (cmd != BT_SINK_VOLUME) LOCK_O;
if (cmd != BT_SINK_VOLUME && cmd != BT_SINK_AUDIO_STARTED) LOCK_O;
switch(cmd) {
case BT_SINK_AUDIO_STARTED:
if (output.external != DECODE_BT) set_volume(bt_volume, bt_volume);
LOCK_O;
output.next_sample_rate = output.current_sample_rate = va_arg(args, u32_t);
output.external = DECODE_BT;
output.state = OUTPUT_STOPPED;
@@ -147,6 +151,7 @@ static bool bt_sink_cmd_handler(bt_sink_cmd_t cmd, va_list args)
u32_t volume = va_arg(args, u32_t);
volume = 65536 * powf(volume / 128.0f, 3);
set_volume(volume, volume);
bt_volume = volume;
break;
default:
break;
@@ -188,7 +193,6 @@ static bool raop_sink_cmd_handler(raop_event_t event, va_list args)
// this is async, so player might have been deleted
switch (event) {
case RAOP_TIMING: {
if (!raop_sync.enabled || output.state != OUTPUT_RUNNING || output.frames_played_dmp < output.device_frames) break;
u32_t ms, now = gettime_ms();