From: Mike Brady <mikebrady@eircom.net>
Date: Mon, 8 Apr 2019 20:14:46 +0000 (+0100)
Subject: Dirty Hack #8
X-Git-Tag: 3.3rc4~12
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=60c2bf27f6e19a04ca7b766dcef517f2922e065e;p=thirdparty%2Fshairport-sync.git

Dirty Hack #8
---

diff --git a/audio_alsa.c b/audio_alsa.c
index d9904959..c68bd5e4 100644
--- a/audio_alsa.c
+++ b/audio_alsa.c
@@ -1136,6 +1136,28 @@ static void start(int i_sample_rate, int i_sample_format) {
 }
 
 int delay_and_status(snd_pcm_state_t *state, snd_pcm_sframes_t *delay, enum yndk_type *using_update_timestamps) {
+  int ret = 0;
+  if (using_update_timestamps)
+    *using_update_timestamps = YNDK_NO;
+  *state = snd_pcm_state(alsa_handle);
+  if ((*state == SND_PCM_STATE_RUNNING) || (*state == SND_PCM_STATE_DRAINING)) {
+    ret = snd_pcm_delay(alsa_handle,delay);
+  } else {
+    *delay = 0;  
+  }
+    
+  stall_monitor_start_time = 0;  // zero if not initialised / not started / zeroed by flush
+  stall_monitor_frame_count = 0; // set to delay at start of time, incremented by any writes
+
+  // not running, thus no delay information, thus can't check for frame
+  // rates
+  frame_index = 0; // we'll be starting over...
+  measurement_data_is_valid = 0;
+  return ret;
+}
+
+
+int real_delay_and_status(snd_pcm_state_t *state, snd_pcm_sframes_t *delay, enum yndk_type *using_update_timestamps) {
   snd_pcm_status_t *alsa_snd_pcm_status;
   snd_pcm_status_alloca(&alsa_snd_pcm_status);