Debug Functions

Functions
int	snd_pcm_dump (snd_pcm_t *pcm, snd_output_t *out)
	Dump PCM info.
int	snd_pcm_dump_hw_setup (snd_pcm_t *pcm, snd_output_t *out)
	Dump current hardware setup for PCM.
int	snd_pcm_dump_sw_setup (snd_pcm_t *pcm, snd_output_t *out)
	Dump current software setup for PCM.
int	snd_pcm_dump_setup (snd_pcm_t *pcm, snd_output_t *out)
	Dump current setup (hardware and software) for PCM.
int	snd_pcm_hw_params_dump (snd_pcm_hw_params_t *params, snd_output_t *out)
	Dump a PCM hardware configuration space.
int	snd_pcm_sw_params_dump (snd_pcm_sw_params_t *params, snd_output_t *out)
	Dump a software configuration.
int	snd_pcm_status_dump (snd_pcm_status_t *status, snd_output_t *out)
	Dump status.

Detailed Description

See the PCM (digital audio) interface page for more details.

Function Documentation

snd_pcm_dump()

int snd_pcm_dump	(	snd_pcm_t *	pcm,
		snd_output_t *	out )

Dump PCM info.

Parameters

pcm	PCM handle
out	Output handle

Returns

0 on success otherwise a negative error code

Examples

/test/latency.c, and /test/pcm.c.

snd_pcm_dump_hw_setup()

int snd_pcm_dump_hw_setup	(	snd_pcm_t *	pcm,
		snd_output_t *	out )

Dump current hardware setup for PCM.

Parameters

pcm	PCM handle
out	Output handle

Returns

0 on success otherwise a negative error code

snd_pcm_dump_setup()

int snd_pcm_dump_setup	(	snd_pcm_t *	pcm,
		snd_output_t *	out )

Dump current setup (hardware and software) for PCM.

Parameters

pcm	PCM handle
out	Output handle

Returns

0 on success otherwise a negative error code

snd_pcm_dump_sw_setup()

int snd_pcm_dump_sw_setup	(	snd_pcm_t *	pcm,
		snd_output_t *	out )

Dump current software setup for PCM.

Parameters

pcm	PCM handle
out	Output handle

Returns

0 on success otherwise a negative error code

snd_pcm_hw_params_dump()

int snd_pcm_hw_params_dump	(	snd_pcm_hw_params_t *	params,
		snd_output_t *	out )

Dump a PCM hardware configuration space.

Parameters

params	Configuration space
out	Output handle

Returns

0 on success otherwise a negative error code

snd_pcm_status_dump()

int snd_pcm_status_dump	(	snd_pcm_status_t *	status,
		snd_output_t *	out )

Dump status.

Parameters

status	Status container
out	Output handle

Returns

0 on success otherwise a negative error code

Examples

/test/latency.c.

snd_pcm_sw_params_dump()

int snd_pcm_sw_params_dump	(	snd_pcm_sw_params_t *	params,
		snd_output_t *	out )

Dump a software configuration.

Parameters

params	Software configuration container
out	Output handle

Returns

0 on success otherwise a negative error code