diff options
Diffstat (limited to 'src/audio/audio.cc')
| -rw-r--r-- | src/audio/audio.cc | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/audio/audio.cc b/src/audio/audio.cc index d044b00..aaadd5a 100644 --- a/src/audio/audio.cc +++ b/src/audio/audio.cc @@ -57,11 +57,35 @@ void audio_init() { g_audio_backend->init(); } +float audio_get_required_prefill_time() { + return (float)RING_BUFFER_LOOKAHEAD_MS / 1000.0f; +} + +bool audio_is_prefilled() { + const int buffered = g_ring_buffer.available_read(); + const float buffered_time = + (float)buffered / (RING_BUFFER_SAMPLE_RATE * RING_BUFFER_CHANNELS); + const float required = audio_get_required_prefill_time(); + return buffered_time >= (required - 0.001f); // 1ms tolerance +} + void audio_start() { if (g_audio_backend == nullptr) { printf("Cannot start: audio not initialized.\n"); return; } + +#if !defined(STRIP_ALL) + if (!audio_is_prefilled()) { + const int buffered = g_ring_buffer.available_read(); + const float buffered_ms = + (float)buffered / (RING_BUFFER_SAMPLE_RATE * RING_BUFFER_CHANNELS) * + 1000.0f; + printf("WARNING: Audio buffer not pre-filled (%.1fms < %.1fms)\n", + buffered_ms, audio_get_required_prefill_time() * 1000.0f); + } +#endif + g_audio_backend->start(); } |
