C++ (Cpp) amdtp_stream_init Examples

Example #1

File: fireworks_stream.c Project: 383530895/linux

static int
init_stream(struct snd_efw *efw, struct amdtp_stream *stream)
{
	struct cmp_connection *conn;
	enum cmp_direction c_dir;
	enum amdtp_stream_direction s_dir;
	int err;

	if (stream == &efw->tx_stream) {
		conn = &efw->out_conn;
		c_dir = CMP_OUTPUT;
		s_dir = AMDTP_IN_STREAM;
	} else {
		conn = &efw->in_conn;
		c_dir = CMP_INPUT;
		s_dir = AMDTP_OUT_STREAM;
	}

	err = cmp_connection_init(conn, efw->unit, c_dir, 0);
	if (err < 0)
		goto end;

	err = amdtp_stream_init(stream, efw->unit, s_dir, CIP_BLOCKING);
	if (err < 0) {
		amdtp_stream_destroy(stream);
		cmp_connection_destroy(conn);
	}
end:
	return err;
}

Example #2

File: bebob_stream.c Project: jdekozak/snd-firewire-improve

int snd_bebob_stream_init(struct snd_bebob *bebob, struct amdtp_stream *stream)
{
	struct cmp_connection *conn;
	enum cmp_direction c_dir;
	enum amdtp_stream_direction s_dir;
	int err;

	if (stream == &bebob->tx_stream) {
		conn= &bebob->out_conn;
		c_dir = CMP_OUTPUT;
		s_dir = AMDTP_IN_STREAM;
	} else {
		conn= &bebob->in_conn;
		c_dir = CMP_INPUT;
		s_dir = AMDTP_OUT_STREAM;
	}

	err = cmp_connection_init(conn, bebob->unit, c_dir, 0);
	if (err < 0)
		goto end;

	err = amdtp_stream_init(stream, bebob->unit, s_dir, CIP_NONBLOCKING);
	if (err < 0) {
		cmp_connection_destroy(conn);
		goto end;

	}

end:
	return err;
}

Example #3

File: amdtp-tascam.c Project: takaswie/snd-firewire-improve

int amdtp_tscm_init(struct amdtp_stream *s, struct fw_unit *unit,
		    enum amdtp_stream_direction dir, unsigned int pcm_channels)
{
	amdtp_stream_process_data_blocks_t process_data_blocks;
	struct amdtp_tscm *p;
	unsigned int fmt;
	int err;

	if (dir == AMDTP_IN_STREAM) {
		fmt = AMDTP_FMT_TSCM_TX;
		process_data_blocks = process_tx_data_blocks;
	} else {
		fmt = AMDTP_FMT_TSCM_RX;
		process_data_blocks = process_rx_data_blocks;
	}

	err = amdtp_stream_init(s, unit, dir,
				CIP_NONBLOCKING | CIP_SKIP_DBC_ZERO_CHECK, fmt,
				process_data_blocks, sizeof(struct amdtp_tscm));
	if (err < 0)
		return 0;

	/* Use fixed value for FDF field. */
	s->ctx_data.rx.fdf = 0x00;

	/* This protocol uses fixed number of data channels for PCM samples. */
	p = s->protocol;
	p->pcm_channels = pcm_channels;

	return 0;
}

Example #4

File: amdtp-am824.c Project: mdamt/linux

/**
 * amdtp_am824_init - initialize an AMDTP stream structure to handle AM824
 *		      data block
 * @s: the AMDTP stream to initialize
 * @unit: the target of the stream
 * @dir: the direction of stream
 * @flags: the packet transmission method to use
 */
int amdtp_am824_init(struct amdtp_stream *s, struct fw_unit *unit,
		     enum amdtp_stream_direction dir, enum cip_flags flags)
{
	amdtp_stream_process_data_blocks_t process_data_blocks;

	if (dir == AMDTP_IN_STREAM)
		process_data_blocks = process_tx_data_blocks;
	else
		process_data_blocks = process_rx_data_blocks;

	return amdtp_stream_init(s, unit, dir, flags, CIP_FMT_AM,
				 process_data_blocks,
				 sizeof(struct amdtp_am824));
}

Example #5

File: oxfw-stream.c Project: laborjack/ENGLinuxLatest

int snd_oxfw_stream_init_simplex(struct snd_oxfw *oxfw)
{
	int err;

	err = cmp_connection_init(&oxfw->in_conn, oxfw->unit,
				  CMP_INPUT, 0);
	if (err < 0)
		goto end;

	err = amdtp_stream_init(&oxfw->rx_stream, oxfw->unit,
				AMDTP_OUT_STREAM, CIP_NONBLOCKING);
	if (err < 0) {
		amdtp_stream_destroy(&oxfw->rx_stream);
		cmp_connection_destroy(&oxfw->in_conn);
	}
end:
	return err;
}