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Cleanup, Optimizations: Small aaudio optimizations

This commit is contained in:
Alex P 2025-09-16 15:46:55 +03:00
parent 2f7bf55f22
commit 26e71806cb
1 changed files with 6 additions and 7 deletions
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11
internal/audio/c/audio.c
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@ -45,8 +45,8 @@ static int max_packet_size = 1500; // Maximum Opus packet size
// Error handling and retry configuration // Error handling and retry configuration
static int sleep_microseconds = 1000; // Base sleep time for retries static int sleep_microseconds = 1000; // Base sleep time for retries
static int max_attempts_global = 5; // Maximum retry attempts static const int max_attempts_global = 5; // Maximum retry attempts
static int max_backoff_us_global = 500000; // Maximum backoff time static const int max_backoff_us_global = 500000; // Maximum backoff time
// Performance optimization flags // Performance optimization flags
static const int optimized_buffer_size = 1; // Use optimized buffer sizing static const int optimized_buffer_size = 1; // Use optimized buffer sizing
@ -182,7 +182,6 @@ static int safe_alsa_open(snd_pcm_t **handle, const char *device, snd_pcm_stream
} }
attempt++; attempt++;
if (attempt >= max_attempts_global) break;
// Enhanced error handling with specific retry strategies // Enhanced error handling with specific retry strategies
if (err == -EBUSY || err == -EAGAIN) { if (err == -EBUSY || err == -EAGAIN) {
@ -363,7 +362,7 @@ int jetkvm_audio_capture_init() {
opus_encoder_ctl(encoder, OPUS_SET_SIGNAL(opus_signal_type)); opus_encoder_ctl(encoder, OPUS_SET_SIGNAL(opus_signal_type));
opus_encoder_ctl(encoder, OPUS_SET_BANDWIDTH(opus_bandwidth)); // WIDEBAND for compatibility opus_encoder_ctl(encoder, OPUS_SET_BANDWIDTH(opus_bandwidth)); // WIDEBAND for compatibility
opus_encoder_ctl(encoder, OPUS_SET_DTX(opus_dtx)); opus_encoder_ctl(encoder, OPUS_SET_DTX(opus_dtx));
// Set LSB depth for improved bit allocation on constrained hardware (disabled for compatibility) // Set LSB depth for improved bit allocation on constrained hardware
opus_encoder_ctl(encoder, OPUS_SET_LSB_DEPTH(opus_lsb_depth)); opus_encoder_ctl(encoder, OPUS_SET_LSB_DEPTH(opus_lsb_depth));
// Enable packet loss concealment for better resilience // Enable packet loss concealment for better resilience
opus_encoder_ctl(encoder, OPUS_SET_PACKET_LOSS_PERC(5)); opus_encoder_ctl(encoder, OPUS_SET_PACKET_LOSS_PERC(5));
@ -395,7 +394,7 @@ int jetkvm_audio_capture_init() {
* 0: No audio data available (not an error) * 0: No audio data available (not an error)
* -1: Initialization error or unrecoverable failure * -1: Initialization error or unrecoverable failure
*/ */
__attribute__((hot)) int jetkvm_audio_read_encode(void *opus_buf) { __attribute__((hot)) int jetkvm_audio_read_encode(void * __restrict__ opus_buf) {
static short __attribute__((aligned(16))) pcm_buffer[1920]; // max 2ch*960, aligned for SIMD static short __attribute__((aligned(16))) pcm_buffer[1920]; // max 2ch*960, aligned for SIMD
unsigned char * __restrict__ out = (unsigned char*)opus_buf; unsigned char * __restrict__ out = (unsigned char*)opus_buf;
@ -597,7 +596,7 @@ int jetkvm_audio_playback_init() {
* -1: Invalid input or decode failure * -1: Invalid input or decode failure
* -2: Unrecoverable ALSA error * -2: Unrecoverable ALSA error
*/ */
__attribute__((hot)) int jetkvm_audio_decode_write(void *opus_buf, int opus_size) { __attribute__((hot)) int jetkvm_audio_decode_write(void * __restrict__ opus_buf, int opus_size) {
static short __attribute__((aligned(16))) pcm_buffer[1920]; // max 2ch*960, aligned for SIMD static short __attribute__((aligned(16))) pcm_buffer[1920]; // max 2ch*960, aligned for SIMD
unsigned char * __restrict__ in = (unsigned char*)opus_buf; unsigned char * __restrict__ in = (unsigned char*)opus_buf;