npv/clk/local/state.frag.c

   1 /*
   2  * considered to be shared by all the thds: we spin because it is supposed to
   3  * be short
   4  */
   5 STATIC struct {
   6         /*
   7          * 2 points in the time domain:
   8          *     - ref
   9          *     - now
  10          *
  11          * the ref point is the top fr of a ff set of audio frs ("AVFrame").
  12          *
  13          * the now point is interpolated using the ref point and the most
  14          * accurate alsa audio timer can give us
  15          *
  16          */
  17         bool ref_valid; /* we may not have a ref point yet */
  18         bool paused;
  19         struct {
  20                 snd_pcm_status_t *status;
  21                 /*
  22                  * the n of audio frs (written to/mixed by) alsa from the ff set
  23                  * of audio frs ("AVFrame") when the alsa status is sampled
  24                  */
  25                 snd_pcm_ufrs_t written_ufrs_n;
  26
  27                 s64 audio_filt_ts; /* in ff audio filt tb units */
  28         } ref;
  29         struct {
  30                 snd_pcm_status_t *status;
  31         } now;
  32 } npv_clk_l;
  33 STATIC snd_pcm_hw_params_t *npv_clk_pcm_hw_params_l;