Audio

Collaboration diagram for Audio:

Functions
void	display_put_audio_frame (struct display *d, const struct audio_frame *frame)
	Puts audio data.
bool	display_reconfigure_audio (struct display *d, int quant_samples, int channels, int sample_rate)

Detailed Description

Audio related functions (embedded audio).

Note

This functions will be called from different thread than video functions.

Function Documentation

display_put_audio_frame()

void display_put_audio_frame	(	struct display *	d,
		const struct audio_frame *	frame )

Puts audio data.

Parameters

d	video display
frame	audio frame to be played

Definition at line 574 of file video_display.c.

{
        assert(d->magic == DISPLAY_MAGIC);
        d->funcs->put_audio_frame(d->state, frame);
}

References DISPLAY_MAGIC, frame, display::funcs, display::magic, video_display_info::put_audio_frame, and display::state.

Referenced by display_aggregate_put_audio_frame(), display_multiplier_put_audio_frame(), main(), and vidcap_ug_input_init().

display_reconfigure_audio()

bool display_reconfigure_audio	(	struct display *	d,
		int	quant_samples,
		int	channels,
		int	sample_rate )

This function instructs video driver to reconfigure itself

Parameters

d	video display structure
quant_samples	number of bits per sample
channels	count of channels
sample_rate	samples per second

Return values

TRUE	if reconfiguration succeeded
FALSE	if reconfiguration failed

Definition at line 590 of file video_display.c.

{
        assert(d->magic == DISPLAY_MAGIC);
        if (!d->funcs->reconfigure_audio) {
                log_msg(LOG_LEVEL_FATAL, MOD_NAME "Selected display '%s' doesn't support audio!\n", d->display_name);
                exit_uv(EXIT_FAIL_USAGE);
                return FALSE;
        }
        return d->funcs->reconfigure_audio(d->state, quant_samples, channels, sample_rate);
}

References channels, DISPLAY_MAGIC, display::display_name, EXIT_FAIL_USAGE, exit_uv(), FALSE, display::funcs, LOG_LEVEL_FATAL, log_msg(), display::magic, MOD_NAME, quant_samples, video_display_info::reconfigure_audio, sample_rate, and display::state.

Referenced by display_aggregate_reconfigure_audio(), display_multiplier_reconfigure_audio(), main(), and vidcap_ug_input_init().

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