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| {
| "pipe_0": {
| "node_0": {
| "node_opts": {
| "node_name" : "alsa_capture"
| },
| "node_opts_extra": {
| "node_source_uri" : "hw:1,0",
| "node_buff_type" : 0,
| "node_buff_count" : 4,
| "node_buff_size" : 2048,
| "node_buff_alloc_type" : "malloc"
| },
| "stream_opts_extra": {
| "opt_alsa_mode" : "nonblock",
| "opt_samaple_rate": 48000,
| "opt_format" : "audio:pcm_16",
| "opt_channel" : 2,
| "opt_channel_layout" : "int64:3"
| },
| "stream_opts": {
| "stream_fmt_in" : "audio:pcm_16",
| "stream_fmt_out" : "audio:pcm_16",
| "stream_output" : "audio:pcm_0"
| }
| },
| "node_1": {
| "node_opts": {
| "node_name" : "resample"
| },
| "node_opts_extra": {
| "node_buff_type" : 0,
| "node_buff_count" : 4,
| "node_buff_size" : 2048,
| "node_buff_alloc_type" : "malloc"
| },
| "stream_opts_extra": {
| "opt_samaple_rate": 48000,
| "opt_format" : "audio:pcm_16",
| "opt_channel" : 2,
| "opt_channel_layout" : "int64:3"
| },
| "stream_opts": {
| "stream_fmt_in" : "audio:pcm_16",
| "stream_fmt_out" : "audio:pcm_16",
| "stream_input" : "audio:pcm_0",
| "stream_output" : "audio:pcm_1"
| }
| },
| "node_2": {
| "node_opts": {
| "node_name" : "filter_volume"
| },
| "node_opts_extra": {
| "node_buff_type" : 0,
| "node_buff_count" : 4,
| "node_buff_size" : 2048,
| "node_buff_alloc_type" : "malloc"
| },
| "stream_opts_extra": {
| "opt_samaple_rate": 48000,
| "opt_format" : "audio:pcm_16",
| "opt_channel" : 2,
| "opt_channel_layout" : "int64:3"
| },
| "stream_opts": {
| "stream_fmt_in" : "audio:pcm_16",
| "stream_fmt_out" : "audio:pcm_16",
| "stream_input" : "audio:pcm_1",
| "stream_output" : "audio:pcm_2"
| }
| },
| "node_3": {
| "node_opts": {
| "node_name" : "alsa_playback"
| },
| "node_opts_extra": {
| "node_source_uri" : "default:CARD=rockchiprk809co"
| },
| "stream_opts_extra": {
| "opt_audio_ppm" : 1,
| "opt_samaple_rate": 48000,
| "opt_format" : "audio:pcm_16",
| "opt_channel" : 2,
| "opt_channel_layout" : "int64:3"
| },
| "stream_opts": {
| "stream_fmt_in" : "audio:pcm_16",
| "stream_fmt_out" : "audio:pcm_16",
| "stream_input" : "audio:pcm_2"
| }
| }
| }
| }
|
|
