audio/sb16/sb16_multi_audio.c

28 get_description(sb16_dev_t* dev, multi_description* data)
30 	data->interface_version = B_CURRENT_INTERFACE_VERSION;
31 	data->interface_minimum = B_CURRENT_INTERFACE_VERSION;
33 	strcpy(data->friendly_name,"SoundBlaster 16");
34 	strcpy(data->vendor_info,"Haiku");
36 	data->output_channel_count = 2;
37 	data->input_channel_count = 2;
38 	data->output_bus_channel_count = 2;
39 	data->input_bus_channel_count = 2;
40 	data->aux_bus_channel_count = 0;
42 	if (data->request_channel_count >= (int)(sizeof(chans) / sizeof(chans[0]))) {
43 		memcpy(data->channels,&chans,sizeof(chans));
47 	data->output_rates =
48 	data->input_rates = B_SR_44100 | B_SR_22050 | B_SR_11025;
50 	data->max_cvsr_rate = 0;
51 	data->min_cvsr_rate = 0;
53 	data->output_formats =
54 	data->input_formats = B_FMT_8BIT_S | B_FMT_16BIT;
55 	data->lock_sources = B_MULTI_LOCK_INTERNAL;
56 	data->timecode_sources = 0;
57 	data->interface_flags = B_MULTI_INTERFACE_PLAYBACK | B_MULTI_INTERFACE_RECORD;
58 	data->start_latency = 30000;
60 	strcpy(data->control_panel,"");
66 get_enabled_channels(sb16_dev_t* dev, multi_channel_enable* data)
68 	B_SET_CHANNEL(data->enable_bits, 0, true);
69 	B_SET_CHANNEL(data->enable_bits, 1, true);
70 	B_SET_CHANNEL(data->enable_bits, 2, true);
71 	B_SET_CHANNEL(data->enable_bits, 3, true);
72 	data->lock_source = B_MULTI_LOCK_INTERNAL;
78 get_global_format(sb16_dev_t* dev, multi_format_info* data)
80 	data->output_latency = 0;
81 	data->input_latency = 0;
82 	data->timecode_kind = 0;
84 	data->output.format = dev->playback_stream.sampleformat;
85 	data->output.rate = dev->playback_stream.samplerate;
87 	data->input.format = dev->record_stream.sampleformat;
88 	data->input.rate = dev->record_stream.samplerate;
94 set_global_format(sb16_dev_t* dev, multi_format_info* data)
96 	dev->playback_stream.sampleformat = data->output.format;
97 	dev->playback_stream.samplerate = data->output.rate;
100 	dev->record_stream.sampleformat = data->input.format;
101 	dev->record_stream.samplerate = data->input.rate;
122 list_mix_controls(sb16_dev_t* dev, multi_mix_control_info * data)
126 	parent = create_group_control(data->controls +0, 0, 0, 0, "Record");
127         parent = create_group_control(data->controls +1, 1, 0, 0, "AC97 Mixer");
128         parent = create_group_control(data->controls +2, 2, 0, S_SETUP, NULL);
129         data->control_count = 3;
135 list_mix_connections(sb16_dev_t* dev, multi_mix_connection_info * data)
141 list_mix_channels(sb16_dev_t* dev, multi_mix_channel_info *data)
147 get_buffers(sb16_dev_t* dev, multi_buffer_list* data)
156 		__func__,  data->request_playback_buffers, data->request_playback_channels,
157 		data->request_playback_buffer_size);
159 		__func__, data->request_record_buffers, data->request_record_channels,
160 		data->request_record_buffer_size);
164 	if (data->request_playback_buffers > STRMAXBUF ||
165 		data->request_playback_buffers < STRMINBUF) {
166 		data->request_playback_buffers = STRMINBUF;
169 	if (data->request_record_buffers > STRMAXBUF ||
170 		data->request_record_buffers < STRMINBUF) {
171 		data->request_record_buffers = STRMINBUF;
174 	if (data->request_playback_buffer_size == 0)
175 		data->request_playback_buffer_size  = DEFAULT_FRAMESPERBUF;
177 	if (data->request_record_buffer_size == 0)
178 		data->request_record_buffer_size  = DEFAULT_FRAMESPERBUF;
182 	data->flags = 0;
185 	dev->playback_stream.num_buffers = data->request_playback_buffers;
186 	dev->playback_stream.num_channels = data->request_playback_channels;
187 	dev->playback_stream.buffer_length = data->request_playback_buffer_size;
193 	dev->record_stream.num_buffers = data->request_record_buffers;
194 	dev->record_stream.num_channels = data->request_record_channels;
195 	dev->record_stream.buffer_length = data->request_record_buffer_size;
201 	/* Setup data structure for multi_audio API... */
202 	data->return_playback_buffers = data->request_playback_buffers;
203 	data->return_playback_channels = data->request_playback_channels;
204 	data->return_playback_buffer_size = data->request_playback_buffer_size;		/* frames */
206 	for (bidx=0; bidx < data->return_playback_buffers; bidx++) {
207 		for (cidx=0; cidx < data->return_playback_channels; cidx++) {
208 			data->playback_buffers[bidx][cidx].base
210 			data->playback_buffers[bidx][cidx].stride
211 				= playback_sample_size * data->return_playback_channels;
215 	data->return_record_buffers = data->request_record_buffers;
216 	data->return_record_channels = data->request_record_channels;
217 	data->return_record_buffer_size = data->request_record_buffer_size;			/* frames */
219 	for (bidx=0; bidx < data->return_record_buffers; bidx++) {
220 		for (cidx=0; cidx < data->return_record_channels; cidx++) {
221 			data->record_buffers[bidx][cidx].base
223 			data->record_buffers[bidx][cidx].stride
224 				= record_sample_size * data->return_record_channels;
232 buffer_exchange(sb16_dev_t* dev, multi_buffer_info* data)
252 	data->playback_buffer_cycle = dev->playback_stream.buffer_cycle;
253 	data->played_real_time = dev->playback_stream.real_time;
254 	data->played_frames_count = dev->playback_stream.frames_count;