4.3.5 master version

.github/workflows/check_ap2_systemd_basic.yml

@@ -13,9 +13,9 @@ jobs:
     runs-on: ubuntu-22.04
 
     steps:
-    - uses: actions/checkout@v3.5.2
+    - uses: actions/checkout@v4
     - name: Install Dependencies
-      run: sudo apt-get -y --no-install-recommends install build-essential git xmltoman autoconf automake libtool libpopt-dev libconfig-dev libasound2-dev avahi-daemon libavahi-client-dev libssl-dev libsoxr-dev libplist-dev libsodium-dev libavutil-dev libavcodec-dev libavformat-dev uuid-dev libgcrypt-dev xxd    
+      run: sudo apt-get -y --no-install-recommends install xmltoman libpopt-dev libconfig-dev libasound2-dev avahi-daemon libavahi-client-dev libsoxr-dev libplist-dev libsodium-dev libavutil-dev libavcodec-dev libavformat-dev   
     - name: Configure
       run: |
         mkdir build

.github/workflows/check_ap2_systemd_full.yml

@@ -13,12 +13,12 @@ jobs:
     runs-on: ubuntu-22.04
 
     steps:
-    - uses: actions/checkout@v3.5.2
+    - uses: actions/checkout@v4
     - name: Install Dependencies
-      run: sudo apt-get -y --no-install-recommends install build-essential git xmltoman autoconf automake libtool libpopt-dev libconfig-dev libasound2-dev libao-dev libjack-dev libglib2.0-dev libmosquitto-dev avahi-daemon libavahi-client-dev libssl-dev libsoxr-dev libplist-dev libsodium-dev libavutil-dev libavcodec-dev libavformat-dev uuid-dev libgcrypt-dev xxd    
+      run: sudo apt-get -y --no-install-recommends install xmltoman libpopt-dev libconfig-dev libasound2-dev libao-dev libjack-dev libmosquitto-dev avahi-daemon libavahi-client-dev libsoxr-dev libplist-dev libsodium-dev libavutil-dev libavcodec-dev libavformat-dev
     - name: Configure
       run: |
-        autoreconf -i
+        autoreconf -fi
         ./configure --sysconfdir=/etc --with-alsa --with-ao --with-dummy --with-jack --with-pipe --with-stdout --with-soxr --with-avahi --with-ssl=openssl --with-systemd --with-dbus-interface --with-mpris-interface --with-mqtt-client --with-airplay-2
     - name: Make
       run: |

.github/workflows/check_ap2_systemd_full_build_folder.yml

@@ -15,7 +15,7 @@ jobs:
     steps:
     - uses: actions/checkout@v3.5.2
     - name: Install Dependencies
-      run: sudo apt-get -y --no-install-recommends install build-essential git xmltoman autoconf automake libtool libpopt-dev libconfig-dev libasound2-dev libao-dev libjack-dev libglib2.0-dev libmosquitto-dev avahi-daemon libavahi-client-dev libsoxr-dev libplist-dev libsodium-dev libavutil-dev libavcodec-dev libavformat-dev  
+      run: sudo apt-get -y --no-install-recommends install xmltoman libpopt-dev libconfig-dev libasound2-dev libao-dev libjack-dev libglib2.0-dev libmosquitto-dev avahi-daemon libavahi-client-dev libssl-dev libsoxr-dev libplist-dev libsodium-dev libavutil-dev libavcodec-dev libavformat-dev
     - name: Configure
       run: |
         mkdir build

.github/workflows/check_ap2_systemv_full.yml

@@ -13,13 +13,13 @@ jobs:
     runs-on: ubuntu-22.04
 
     steps:
-    - uses: actions/checkout@v3.5.2
+    - uses: actions/checkout@v4
     - name: Install Dependencies
-      run: sudo apt-get -y --no-install-recommends install build-essential git xmltoman autoconf automake libtool libpopt-dev libdaemon-dev libconfig-dev libasound2-dev libao-dev libjack-dev libsndio-dev libglib2.0-dev libmosquitto-dev avahi-daemon libavahi-client-dev libssl-dev libsoxr-dev libplist-dev libsodium-dev libavutil-dev libavcodec-dev libavformat-dev uuid-dev libgcrypt-dev xxd    
+      run: sudo apt-get -y --no-install-recommends install xmltoman libpopt-dev libdaemon-dev libconfig-dev libasound2-dev libao-dev libjack-dev libglib2.0-dev libmosquitto-dev avahi-daemon libavahi-client-dev libssl-dev libsoxr-dev libplist-dev libsodium-dev libavutil-dev libavcodec-dev libavformat-dev uuid-dev libgcrypt-dev    
     - name: Configure
       run: |
         autoreconf -i
-        ./configure --sysconfdir=/etc --with-alsa --with-ao --with-dummy --with-libdaemon --with-jack --with-pipe --with-sndio --with-stdout --with-soxr --with-avahi --with-ssl=openssl --with-systemv --with-dbus-interface --with-mpris-interface --with-mqtt-client --with-airplay-2
+        ./configure --sysconfdir=/etc --with-alsa --with-ao --with-dummy --with-libdaemon --with-jack --with-pipe --with-stdout --with-soxr --with-avahi --with-ssl=openssl --with-systemv --with-dbus-interface --with-mpris-interface --with-mqtt-client --with-airplay-2
     - name: Make
       run: |
         make -j

.github/workflows/check_classic_mac_basic.yml

@@ -3,7 +3,7 @@ name: Basic libao configuration for macOS with BREW -- classic only, because mac
 on:
   workflow_dispatch:
   push:
-    branches: [ "development", "danger" ]
+    branches: [ "development" ]
   pull_request:
     types: [opened, synchronize, reopened, ready_for_review]
 

.github/workflows/check_classic_systemd_basic.yml

@@ -13,9 +13,9 @@ jobs:
     runs-on: ubuntu-22.04
 
     steps:
-    - uses: actions/checkout@v3.5.2
+    - uses: actions/checkout@v4
     - name: Install Dependencies
-      run: sudo apt-get -y --no-install-recommends install build-essential git xmltoman autoconf automake libtool libpopt-dev libconfig-dev libasound2-dev avahi-daemon libavahi-client-dev libssl-dev libsoxr-dev   
+      run: sudo apt-get -y --no-install-recommends install xmltoman libpopt-dev libconfig-dev libasound2-dev avahi-daemon libavahi-client-dev libssl-dev libsoxr-dev   
     - name: Configure
       run: |
         mkdir build

.github/workflows/check_classic_systemd_full.yml

@@ -3,7 +3,7 @@ name: Classic (without pa, soundio, apple-alac) for systemd, using a build folde
 on:
   workflow_dispatch:
   push:
-    branches: [ "development", "danger" ]
+    branches: [ "development" ]
   pull_request:
     types: [opened, synchronize, reopened, ready_for_review]
 
@@ -13,9 +13,9 @@ jobs:
     runs-on: ubuntu-22.04
 
     steps:
-    - uses: actions/checkout@v3.5.2
+    - uses: actions/checkout@v4
     - name: Install Dependencies
-      run: sudo apt-get -y --no-install-recommends install build-essential git xmltoman autoconf automake libtool libpopt-dev libconfig-dev libasound2-dev libao-dev libjack-dev libsndio-dev libglib2.0-dev libmosquitto-dev avahi-daemon libavahi-client-dev libssl-dev libsoxr-dev    
+      run: sudo apt-get -y --no-install-recommends install xmltoman libpopt-dev libconfig-dev libasound2-dev libao-dev libjack-dev libglib2.0-dev libmosquitto-dev avahi-daemon libavahi-client-dev libssl-dev libsoxr-dev    
     - name: Configure
       run: |
         mkdir build

BUILD.md

@@ -107,12 +107,12 @@ Reboot for these changes to take effect.
 
 Next, install the packages that are needed for Shairport Sync and NQPTP:
 ```
-# pkg install git autotools pkgconf popt libconfig openssl alsa-utils \
+# pkg install git autotools pkgconf popt libconfig openssl alsa-utils libsoxr \
       libplist libsodium ffmpeg e2fsprogs-libuuid vim
 ```
 If you are building classic Shairport Sync, the list of packages is shorter:
 ```
-# pkg install git autotools pkgconf popt libconfig openssl alsa-utils
+# pkg install git autotools pkgconf popt libconfig openssl alsa-utils libsoxr
 ```
 ## 3. Build
 ### NQPTP

RELEASENOTES.md

@@ -1,6 +1,6 @@
 Minor Release Notes
 ====
-Minor release notes are attached to the release themselves.
+Minor release notes are attached to the releases themselves.
 
 Version 4.3 -- Security Updates, Bug Fixes and Enhancements
 ====

audio.h

@@ -31,6 +31,7 @@ typedef struct {
   int (*init)(int argc, char **argv);
   // at end of program
   void (*deinit)(void);
+  void (*prepare_to_play)(void); // sent when audio is received for the first time -- advance warning.
 
   int (*prepare)(void); // looks and sets stuff in the config data structure
 

audio_jack.c

@@ -1,6 +1,6 @@
 /*
  * jack output driver. This file is part of Shairport Sync.
- * Copyright (c) 2019 -- 2022 Mike Brady <4265913+mikebrady@users.noreply.github.com>,
+ * Copyright (c) 2019 -- 2024 Mike Brady <4265913+mikebrady@users.noreply.github.com>,
  *                    Jörn Nettingsmeier <nettings@luchtbeweging.nl>
  *
  * All rights reserved.
@@ -50,8 +50,11 @@ pthread_mutex_t client_mutex = PTHREAD_MUTEX_INITIALIZER;
 jack_port_t *port[NPORTS];
 const char *port_name[NPORTS] = {"out_L", "out_R"};
 
+
+int sps_sample_rate;
+
 jack_client_t *client;
-jack_nframes_t sample_rate;
+jack_nframes_t jack_sample_rate;
 jack_nframes_t jack_latency;
 
 jack_ringbuffer_t *jackbuf;
@@ -85,12 +88,7 @@ soxr_io_spec_t io_spec;
 #endif
 
 static inline sample_t sample_conv(short sample) {
-  // It sounds correct, but I don't understand it.
-  // Zero int needs to be zero float. Check.
-  // Plus 32767 int is 1.0. Check.
-  // Minus 32767 int is -0.99997. And here my brain shuts down.
-  // In my head, it should be 1.0, and we should tolerate an overflow
-  // at minus 32768. But I'm sure there's a textbook explanation somewhere.
+  // signed 16-bit int to float
   return ((sample < 0) ? (-1.0 * sample / SHRT_MIN) : (1.0 * sample / SHRT_MAX));
 }
 
@@ -235,17 +233,17 @@ static int jack_init(__attribute__((unused)) int argc, __attribute__((unused)) c
   if (!client) {
     die("Could not start JACK server. JackStatus is %x", status);
   }
-  sample_rate = jack_get_sample_rate(client);
+  jack_sample_rate = jack_get_sample_rate(client);
 #ifdef CONFIG_SOXR
   if (config.jack_soxr_resample_quality >= SOXR_QQ) {
     quality_spec = soxr_quality_spec(config.jack_soxr_resample_quality, 0);
     io_spec = soxr_io_spec(SOXR_INT16_I, SOXR_FLOAT32_I);
   } else
 #endif
-      if (sample_rate != 44100) {
+      if (jack_sample_rate != 44100) {
     die("The JACK server is running at the wrong sample rate (%d) for Shairport Sync."
         " Must be 44100 Hz.",
-        sample_rate);
+        jack_sample_rate);
   }
   jack_set_process_callback(client, &process, NULL);
   jack_set_graph_order_callback(client, &graph, NULL);
@@ -329,14 +327,15 @@ static void jack_start(int i_sample_rate, __attribute__((unused)) int i_sample_f
   // Nothing to do, JACK client has already been set up at jack_init().
   // Also, we have no say over the sample rate or sample format of JACK,
   // We convert the 16bit samples to float, and die if the sample rate is != 44k1 without soxr.
+  sps_sample_rate = i_sample_rate;
 #ifdef CONFIG_SOXR
   if (config.jack_soxr_resample_quality >= SOXR_QQ) {
     // we might improve a bit with soxr_clear if the sample_rate doesn't change
     if (soxr) {
       soxr_delete(soxr);
     }
     soxr_error_t e = NULL;
-    soxr = soxr_create(i_sample_rate, sample_rate, NPORTS, &e, &io_spec, &quality_spec, NULL);
+    soxr = soxr_create(sps_sample_rate, jack_sample_rate, NPORTS, &e, &io_spec, &quality_spec, NULL);
     if (!soxr) {
       die("Unable to create soxr resampler for JACK: %s", e);
     }
@@ -366,13 +365,15 @@ static int jack_delay(long *the_delay) {
   debug(2, "audio_occupancy_now is %d.", audio_occupancy_now);
   pthread_mutex_unlock(&buffer_mutex);
 
-  int64_t frames_processed_since_latest_latency_check = (delta * sample_rate) / 1000000000;
+  int64_t frames_processed_since_latest_latency_check = (delta * jack_sample_rate) / 1000000000;
   // debug(1,"delta: %" PRId64 " frames.",frames_processed_since_latest_latency_check);
   // jack_latency is set by the graph() callback, it's the average of the maximum
   // latencies of all our output ports. Adjust this constant baseline delay according
   // to the buffer fill level:
-  *the_delay = jack_latency + audio_occupancy_now - frames_processed_since_latest_latency_check;
-  // debug(1,"reporting a delay of %d frames",*the_delay);
+  int64_t the_delay_in_jack_frames = jack_latency + audio_occupancy_now - frames_processed_since_latest_latency_check;
+  int64_t the_delay_in_sps_frames = (the_delay_in_jack_frames * sps_sample_rate) / jack_sample_rate;
+  *the_delay = the_delay_in_sps_frames;
+  // debug(2, "reporting a delay of %ld frames at Shairport Sync's rate of %d FPS.",*the_delay, sps_sample_rate);
   return 0;
 }
 

audio_pw.c

@@ -56,6 +56,7 @@ static char *audio_lmb, *audio_umb, *audio_toq, *audio_eoq;
 static size_t audio_size = buffer_allocation;
 static size_t audio_occupancy;
 static int enable_fill;
+static int stream_is_active;
 
 struct timing_data {
   int pw_time_is_valid;     // set when the pw_time has been set
@@ -268,9 +269,9 @@ static int init(__attribute__((unused)) int argc, __attribute__((unused)) char *
   // called in a realtime thread.
   pw_stream_connect(data.stream, PW_DIRECTION_OUTPUT, PW_ID_ANY,
                     PW_STREAM_FLAG_AUTOCONNECT | PW_STREAM_FLAG_MAP_BUFFERS |
-                        PW_STREAM_FLAG_RT_PROCESS,
+                        PW_STREAM_FLAG_RT_PROCESS | PW_STREAM_FLAG_INACTIVE,
                     params, 1);
-
+  stream_is_active = 0;
   pw_thread_loop_unlock(data.loop);
   return 0;
 }
@@ -279,9 +280,27 @@ static void start(__attribute__((unused)) int sample_rate,
                   __attribute__((unused)) int sample_format) {
 }
 
+static void prepare_to_play() {
+  // debug(1, "prepare to play");
+  if (stream_is_active == 0) {
+    pw_thread_loop_lock(data.loop);
+    pw_stream_set_active(data.stream, true);
+    pw_thread_loop_unlock(data.loop);
+    stream_is_active = 1;
+    debug(3, "prepare to play activating stream");
+  }
+}
+
 static int play(__attribute__((unused)) void *buf, int samples,
                 __attribute__((unused)) int sample_type, __attribute__((unused)) uint32_t timestamp,
                 __attribute__((unused)) uint64_t playtime) {
+  if (stream_is_active == 0) {
+    pw_thread_loop_lock(data.loop);
+    pw_stream_set_active(data.stream, true);
+    pw_thread_loop_unlock(data.loop);
+    stream_is_active = 1;
+    debug(3, "set stream active");
+  }
   // copy the samples into the queue
   debug(3, "play %u samples; %u bytes already in the buffer.", samples, audio_occupancy);
   size_t bytes_to_transfer = samples * DEFAULT_CHANNELS * DEFAULT_BYTES_PER_SAMPLE;
@@ -382,8 +401,15 @@ static void stop(void) {
   // if (enable_fill == 0) {
   //   debug(1, "stop enable_fill");
   // }
-  enable_fill = 1;
   pthread_mutex_unlock(&buffer_mutex);
+  if (stream_is_active == 1) {
+    pw_thread_loop_lock(data.loop);
+    // pw_stream_flush(data.stream, true);
+    pw_stream_set_active(data.stream, false);
+    pw_thread_loop_unlock(data.loop);
+    stream_is_active = 0;
+    debug(3, "set stream inactive");
+  }
 }
 
 audio_output audio_pw = {.name = "pw",
@@ -398,6 +424,7 @@ audio_output audio_pw = {.name = "pw",
                          .delay = &delay,
                          .stats = NULL,
                          .play = &play,
+                         .prepare_to_play = &prepare_to_play,
                          .volume = NULL,
                          .parameters = NULL,
                          .mute = NULL};