Merge remote-tracking branch 'origin/master' into master-cmake

Conflicts:
	README.md
	components/config/config.c
	components/driver_bt/bt_app_sink.c
	components/raop/raop.c
	components/services/audio_controls.c
	main/platform_esp32.h
This commit is contained in:
Sebastien
2020-05-18 10:13:32 -04:00
60 changed files with 1944 additions and 860 deletions

View File

@@ -4,18 +4,8 @@
* (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/>.
* This software is released under the MIT License.
* https://opensource.org/licenses/MIT
*
*/
@@ -44,15 +34,15 @@ static bool enable_bt_sink;
static bool enable_airplay;
#define RAOP_OUTPUT_SIZE (RAOP_SAMPLE_RATE * 2 * 2 * 2 * 1.2)
#define SYNC_WIN_RUN 32
#define SYNC_WIN_SLOW 32
#define SYNC_WIN_CHECK 8
#define SYNC_WIN_START 2
#define SYNC_WIN_FAST 2
static raop_event_t raop_state;
static EXT_RAM_ATTR struct {
bool enabled;
int sum, count, win, errors[SYNC_WIN_RUN];
int sum, count, win, errors[SYNC_WIN_SLOW];
s32_t len;
u32_t start_time, playtime;
} raop_sync;
@@ -200,48 +190,31 @@ 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: {
u32_t ms, now = gettime_ms();
int error;
if (!raop_sync.enabled || output.state < OUTPUT_RUNNING || output.frames_played_dmp < output.device_frames) break;
// first must make sure we started on time
if (raop_sync.win == SYNC_WIN_START) {
// how many ms have we really played
ms = now - output.updated + ((output.frames_played_dmp - output.device_frames) * 10) / (RAOP_SAMPLE_RATE / 100);
error = ms - (now - raop_sync.start_time);
if (!raop_sync.enabled || output.state != OUTPUT_RUNNING || output.frames_played_dmp < output.device_frames) break;
u32_t ms, now = gettime_ms();
u32_t level = _buf_used(outputbuf);
int error;
LOG_INFO("backend played %u, desired %u, (delta:%d)", ms, now - raop_sync.start_time, error);
} else {
u32_t level = _buf_used(outputbuf);
// in how many ms will the most recent block play
ms = (((s32_t)(level - raop_sync.len) / BYTES_PER_FRAME + output.device_frames + output.frames_in_process) * 10) / (RAOP_SAMPLE_RATE / 100) - (s32_t) (now - output.updated);
// in how many ms will the most recent block play
ms = (((s32_t)(level - raop_sync.len) / BYTES_PER_FRAME + output.device_frames + output.frames_in_process) * 10) / (RAOP_SAMPLE_RATE / 100) - (s32_t) (now - output.updated);
// when outputbuf is empty, it means we have a network black-out or something
error = level ? (raop_sync.playtime - now) - ms : 0;
// when outputbuf is empty, it means we have a network black-out or something
error = level ? (raop_sync.playtime - now) - ms : 0;
if (loglevel == lDEBUG || !level) {
LOG_INFO("head local:%d, remote:%d (delta:%d)", ms, raop_sync.playtime - now, error);
LOG_INFO("obuf:%u, sync_len:%u, devframes:%u, inproc:%u", _buf_used(outputbuf), raop_sync.len, output.device_frames, output.frames_in_process);
}
if (loglevel == lDEBUG || !level) {
LOG_INFO("head local:%d, remote:%d (delta:%d)", ms, raop_sync.playtime - now, error);
LOG_INFO("obuf:%u, sync_len:%u, devframes:%u, inproc:%u", _buf_used(outputbuf), raop_sync.len, output.device_frames, output.frames_in_process);
}
// calculate sum, error and update sliding window
raop_sync.errors[raop_sync.count++ % raop_sync.win] = error;
raop_sync.sum += error;
error = raop_sync.sum / min(raop_sync.count, raop_sync.win);
// move to normal mode if possible
if (raop_sync.win == SYNC_WIN_START && raop_sync.count >= SYNC_WIN_START && abs(error) < 10) {
raop_sync.win = SYNC_WIN_RUN;
LOG_INFO("switching to slow sync mode %u", raop_sync.win);
}
// wait till e have enough data or there is a strong deviation
if ((raop_sync.count >= raop_sync.win && abs(error) > 10) || (raop_sync.count >= SYNC_WIN_CHECK && abs(error) > 100)) {
// correct if needed
// wait till we have enough data or there is a strong deviation
if ((raop_sync.count >= raop_sync.win && abs(error) > 10) || (raop_sync.count >= SYNC_WIN_CHECK && abs(error) > 100)) {
if (error < 0) {
output.skip_frames = -(error * RAOP_SAMPLE_RATE) / 1000;
output.state = OUTPUT_SKIP_FRAMES;
@@ -251,11 +224,18 @@ static bool raop_sink_cmd_handler(raop_event_t event, va_list args)
output.state = OUTPUT_PAUSE_FRAMES;
LOG_INFO("pausing for %u frames (count: %d)", output.pause_frames, raop_sync.count);
}
// reset sliding window
raop_sync.sum = raop_sync.count = 0;
memset(raop_sync.errors, 0, sizeof(raop_sync.errors));
}
// move to normal mode if possible
if (raop_sync.win == 1) {
raop_sync.win = SYNC_WIN_FAST;
LOG_INFO("backend played %u, desired %u, (delta:%d)", ms, raop_sync.playtime - now, error);
} else if (raop_sync.win == SYNC_WIN_FAST && raop_sync.count >= SYNC_WIN_FAST && abs(error) < 10) {
raop_sync.win = SYNC_WIN_SLOW;
LOG_INFO("switching to slow sync mode %u", raop_sync.win);
}
break;
@@ -272,8 +252,8 @@ static bool raop_sink_cmd_handler(raop_event_t event, va_list args)
case RAOP_STREAM:
LOG_INFO("Stream", NULL);
raop_state = event;
raop_sync.win = SYNC_WIN_START;
raop_sync.sum = raop_sync.count = 0 ;
raop_sync.win = 1;
raop_sync.sum = raop_sync.count = 0;
memset(raop_sync.errors, 0, sizeof(raop_sync.errors));
raop_sync.enabled = !strcasestr(output.device, "BT");
output.next_sample_rate = output.current_sample_rate = RAOP_SAMPLE_RATE;