ALSA project - the C library reference
Data Structures
Here are the data structures with brief descriptions:
 C_snd_pcm_audio_tstamp_config
 C_snd_pcm_audio_tstamp_report
 C_snd_pcm_channel_area
 C_snd_pcm_scope_ops
 C_snd_pcm_sync_id
 C_snd_timer_read
 C_snd_timer_tread
 Caudio_hw_format
 Cctl_access_elem
 Csnd_aes_iec958
 Csnd_ctl_ext_callback_t
 Csnd_ctl_ext_t
 Csnd_devname_t
 Csnd_mixer_selem_regopt
 Csnd_pcm_chmap
 Csnd_pcm_chmap_query
 Csnd_pcm_extplug_callback_t
 Csnd_pcm_extplug_t
 Csnd_pcm_ioplug_callback_t
 Csnd_pcm_ioplug_t
 Csnd_seq_addr
 Csnd_seq_connect
 Csnd_seq_ev_ctrl
 Csnd_seq_ev_ext_t
 Csnd_seq_ev_note
 Csnd_seq_ev_queue_control
 Csnd_seq_ev_raw32
 Csnd_seq_ev_raw8
 Csnd_seq_event
 Csnd_seq_queue_skew
 Csnd_seq_real_time
 Csnd_seq_result
 Csnd_seq_timestamp
 Csnd_tplg_bytes_templateTemplate type for TLV Scale objects
 Csnd_tplg_channel_elem
 Csnd_tplg_channel_map_templateTemplate type for channel mapping
 Csnd_tplg_channel_templateTemplate type for single channel mapping
 Csnd_tplg_ctl_templateTemplate type for control objects
 Csnd_tplg_dai_templateTemplate type for physical DAI. It can be used to configure backend DAIs for DPCM
 Csnd_tplg_enum_templateTemplate type for enumerated control objects
 Csnd_tplg_graph_elemTemplate type for single DAPM graph element
 Csnd_tplg_graph_templateTemplate type for array of DAPM graph elements
 Csnd_tplg_hw_config_templateTemplate type to describe a physical link runtime supported hardware config, i.e. hardware audio formats
 Csnd_tplg_io_ops_templateTemplate type for object operations mapping
 Csnd_tplg_link_templateTemplate type for physical DAI Links
 Csnd_tplg_mixer_templateTemplate type for mixer control objects
 Csnd_tplg_obj_templateGeneric Template Object
 Csnd_tplg_pcm_templateTemplate type for PCM (FE DAI & DAI links)
 Csnd_tplg_pdata_templateTemplate type for private data objects
 Csnd_tplg_stream_caps_templateStream Capabilities
 Csnd_tplg_stream_templateStream configurations
 Csnd_tplg_tlv_dbscale_templateTemplate type for TLV Scale objects
 Csnd_tplg_tlv_templateTemplate type for all TLV objects
 Csnd_tplg_widget_templateTemplate type for DAPM widget objects
 Ctplg_alloc
 Ctuple_type