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name |
sink |
direction |
sink |
presence |
always |
details |
audio/x-raw, format=(string){ S8, U8, S16LE, S16BE, U16LE, U16BE, S24_32LE, S24_32BE, U24_32LE, U24_32BE, S32LE, S32BE, U32LE, U32BE, S24LE, S24BE, U24LE, U24BE, S20LE, S20BE, U20LE, U20BE, S18LE, S18BE, U18LE, U18BE, F32LE, F32BE, F64LE, F64BE }, layout=(string)interleaved, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ] |
| audio/x-ac3, framed=(boolean)true | |
| audio/x-eac3, framed=(boolean)true | |
| audio/x-dts, framed=(boolean)true, block-size=(int){ 512, 1024, 2048 } | |
| audio/mpeg, mpegversion=(int)1, mpegaudioversion=(int)[ 1, 2 ], parsed=(boolean)true |
struct GstAlsaSink {
GstAudioSink sink;
gchar *device;
snd_pcm_t *handle;
snd_pcm_hw_params_t *hwparams;
snd_pcm_sw_params_t *swparams;
snd_pcm_access_t access;
snd_pcm_format_t format;
guint rate;
guint channels;
gint bpf;
gboolean iec958;
gboolean need_swap;
guint buffer_time;
guint period_time;
snd_pcm_uframes_t buffer_size;
snd_pcm_uframes_t period_size;
GstCaps *cached_caps;
GMutex alsa_lock;
GMutex delay_lock;
};
“card-name” property“card-name” gchar *
Human-readable name of the sound card.
Flags: Read
Default value: ""
“device” property“device” gchar *
ALSA device, as defined in an asound configuration file.
Flags: Read / Write
Default value: "default"
“device-name” property“device-name” gchar *
Human-readable name of the sound device.
Flags: Read
Default value: ""