Improve audio underrun recordery in alffplay

Now it has a better idea to skip samples during refill instead of after
restarting.

1 files changed, 12 insertions, 0 deletions

diff --git a/examples/alffplay.cpp b/examples/alffplay.cpp
index 27520a6d..f02fb16b 100644
--- a/examples/alffplay.cpp
+++ b/examples/alffplay.cpp
@@ -992,6 +992,18 @@ int AudioState::handler()
              */
             alSourceRewind(mSource);
             alSourcei(mSource, AL_BUFFER, 0);
+            if(alcGetInteger64vSOFT)
+            {
+                /* Also update the device start time with the current device
+                 * clock, so the decoder knows we're running behind.
+                 */
+                int64_t devtime{};
+                alcGetInteger64vSOFT(alcGetContextsDevice(alcGetCurrentContext()),
+                                     ALC_DEVICE_CLOCK_SOFT, 1, &devtime);
+                auto device_time = nanoseconds{devtime};
+
+                mDeviceStartTime = device_time - mCurrentPts;
+            }
             continue;
         }