4eeaaeaea1
ALSA did not provide any direct means to infer the audio time for A/V sync and system/audio time correlations (eg. PulseAudio). Applications had to track the number of samples read/written and add/subtract the number of samples queued in the ring buffer. This accounting led to small errors, typically several samples, due to the two-step process. Computing the audio time in the kernel is more direct, as all the information is available in the same routines. Also add new .audio_wallclock routine to enable fine-grain synchronization between monotonic system time and audio hardware time. Using the wallclock, if supported in hardware, allows for a much better sub-microsecond precision and a common drift tracking for all devices sharing the same wall clock (master clock). Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> |
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| .. | ||
| asequencer.h | ||
| asound.h | ||
| asound_fm.h | ||
| compress_offload.h | ||
| compress_params.h | ||
| emu10k1.h | ||
| hdsp.h | ||
| hdspm.h | ||
| Kbuild | ||
| sb16_csp.h | ||
| sfnt_info.h | ||