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Add magic checks

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This commit is contained in:
Reinhard Panhuber
2022-03-20 12:04:10 +01:00
parent ff2dc0a547
commit 5aba464270
1 changed files with 10 additions and 0 deletions
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10
src/class/audio/audio_device.c
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@@ -2116,6 +2116,16 @@ void audiod_sof (uint8_t rhport, uint32_t frame_count)
feedback = ((n_cylces - audio->fb_n_cycles_old) << 3) * audio->fb_param_factor_N / audio->fb_param_factor_D; // feeback_param_factor_N has scaling factor of 13 bits, n_cycles 3 and feeback_param_factor_D 1, hence 16.16 precision feedback = ((n_cylces - audio->fb_n_cycles_old) << 3) * audio->fb_param_factor_N / audio->fb_param_factor_D; // feeback_param_factor_N has scaling factor of 13 bits, n_cycles 3 and feeback_param_factor_D 1, hence 16.16 precision
#endif #endif
// Buffer count checks ?
// Magic checks
if (feedback > 2949166){ // 45.0007 in 16.16 format
feedback = 2949166;
}
if ( feedback < 2883630) { // 44.0007 in 16.16 format
feedback = 2883630;
}
tud_audio_n_fb_set(i, feedback); tud_audio_n_fb_set(i, feedback);
audio->fb_n_frames_current = 0; audio->fb_n_frames_current = 0;
audio->fb_n_cycles_old = n_cylces; audio->fb_n_cycles_old = n_cylces;