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STRUCT SND_COMPR_RUN(9) Compress Offload STRUCT SND_COMPR_RUN(9)

NAME

struct_snd_compr_runtime -

SYNOPSIS

struct snd_compr_runtime {
  snd_pcm_state_t state;
  struct snd_compr_ops * ops;
  void * buffer;
  u64 buffer_size;
  u32 fragment_size;
  u32 fragments;
  u64 total_bytes_available;
  u64 total_bytes_transferred;
  wait_queue_head_t sleep;
  void * private_data;
};

MEMBERS

state
stream state
ops
pointer to DSP callbacks
buffer
pointer to kernel buffer, valid only when not in mmap mode or DSP doesn't implement copy
buffer_size
size of the above buffer
fragment_size
size of buffer fragment in bytes
fragments
number of such fragments
total_bytes_available
cumulative number of bytes made available in the ring buffer
total_bytes_transferred
cumulative bytes transferred by offload DSP
sleep
poll sleep
private_data
driver private data pointer

COPYRIGHT

January 2017 Kernel Hackers Manual 4.8.