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1 #include "config.h"
2 #include <stdio.h>
3 #include <string.h>
4 #include "../include/asoundlib.h"
5 
main(void)6 int main(void)
7 {
8 	int idx, dev, err;
9 	snd_ctl_t *handle;
10 	snd_ctl_card_info_t *info;
11 	snd_pcm_info_t *pcminfo;
12 	snd_rawmidi_info_t *rawmidiinfo;
13 	char str[128];
14 
15 	snd_ctl_card_info_alloca(&info);
16 	snd_pcm_info_alloca(&pcminfo);
17 	snd_rawmidi_info_alloca(&rawmidiinfo);
18 
19 	idx = -1;
20 	while (1) {
21 		if ((err = snd_card_next(&idx)) < 0) {
22 			printf("Card next error: %s\n", snd_strerror(err));
23 			break;
24 		}
25 		if (idx < 0)
26 			break;
27 		sprintf(str, "hw:CARD=%i", idx);
28 		if ((err = snd_ctl_open(&handle, str, 0)) < 0) {
29 			printf("Open error: %s\n", snd_strerror(err));
30 			continue;
31 		}
32 		if ((err = snd_ctl_card_info(handle, info)) < 0) {
33 			printf("HW info error: %s\n", snd_strerror(err));
34 			continue;
35 		}
36 		printf("Soundcard #%i:\n", idx + 1);
37 		printf("  card - %i\n", snd_ctl_card_info_get_card(info));
38 		printf("  id - '%s'\n", snd_ctl_card_info_get_id(info));
39 		printf("  driver - '%s'\n", snd_ctl_card_info_get_driver(info));
40 		printf("  name - '%s'\n", snd_ctl_card_info_get_name(info));
41 		printf("  longname - '%s'\n", snd_ctl_card_info_get_longname(info));
42 		printf("  mixername - '%s'\n", snd_ctl_card_info_get_mixername(info));
43 		printf("  components - '%s'\n", snd_ctl_card_info_get_components(info));
44 		dev = -1;
45 		while (1) {
46 			snd_pcm_sync_id_t sync;
47 			if ((err = snd_ctl_pcm_next_device(handle, &dev)) < 0) {
48 				printf("  PCM next device error: %s\n", snd_strerror(err));
49 				break;
50 			}
51 			if (dev < 0)
52 				break;
53 			snd_pcm_info_set_device(pcminfo, dev);
54 			snd_pcm_info_set_subdevice(pcminfo, 0);
55 			snd_pcm_info_set_stream(pcminfo, SND_PCM_STREAM_PLAYBACK);
56 			if ((err = snd_ctl_pcm_info(handle, pcminfo)) < 0) {
57 				printf("  PCM info error: %s\n", snd_strerror(err));
58 				continue;
59 			}
60 			printf("PCM info, device #%i:\n", dev);
61 			printf("  device - %i\n", snd_pcm_info_get_device(pcminfo));
62 			printf("  subdevice - %i\n", snd_pcm_info_get_subdevice(pcminfo));
63 			printf("  stream - %i\n", snd_pcm_info_get_stream(pcminfo));
64 			printf("  card - %i\n", snd_pcm_info_get_card(pcminfo));
65 			printf("  id - '%s'\n", snd_pcm_info_get_id(pcminfo));
66 			printf("  name - '%s'\n", snd_pcm_info_get_name(pcminfo));
67 			printf("  subdevice name - '%s'\n", snd_pcm_info_get_subdevice_name(pcminfo));
68 			printf("  class - 0x%x\n", snd_pcm_info_get_class(pcminfo));
69 			printf("  subclass - 0x%x\n", snd_pcm_info_get_subclass(pcminfo));
70 			printf("  subdevices count - %i\n", snd_pcm_info_get_subdevices_count(pcminfo));
71 			printf("  subdevices avail - %i\n", snd_pcm_info_get_subdevices_avail(pcminfo));
72 			sync = snd_pcm_info_get_sync(pcminfo);
73 			printf("  sync - 0x%x,0x%x,0x%x,0x%x\n", sync.id32[0], sync.id32[1], sync.id32[2], sync.id32[3]);
74 		}
75 		dev = -1;
76 		while (1) {
77 			if ((err = snd_ctl_rawmidi_next_device(handle, &dev)) < 0) {
78 				printf("  RAWMIDI next device error: %s\n", snd_strerror(err));
79 				break;
80 			}
81 			if (dev < 0)
82 				break;
83 			snd_rawmidi_info_set_device(rawmidiinfo, dev);
84 			snd_rawmidi_info_set_subdevice(rawmidiinfo, 0);
85 			snd_rawmidi_info_set_stream(rawmidiinfo, SND_RAWMIDI_STREAM_OUTPUT);
86 			if ((err = snd_ctl_rawmidi_info(handle, rawmidiinfo)) < 0) {
87 				printf("  RAWMIDI info error: %s\n", snd_strerror(err));
88 				continue;
89 			}
90 			printf("RAWMIDI info, device #%i:\n", dev);
91 			printf("  device - %i\n", snd_rawmidi_info_get_device(rawmidiinfo));
92 			printf("  subdevice - %i\n", snd_rawmidi_info_get_subdevice(rawmidiinfo));
93 			printf("  stream - %i\n", snd_rawmidi_info_get_stream(rawmidiinfo));
94 			printf("  card - %i\n", snd_rawmidi_info_get_card(rawmidiinfo));
95 			printf("  flags - 0x%x\n", snd_rawmidi_info_get_flags(rawmidiinfo));
96 			printf("  id - '%s'\n", snd_rawmidi_info_get_id(rawmidiinfo));
97 			printf("  name - '%s'\n", snd_rawmidi_info_get_name(rawmidiinfo));
98 			printf("  subname - '%s'\n", snd_rawmidi_info_get_subdevice_name(rawmidiinfo));
99 			printf("  subdevices count - %i\n", snd_rawmidi_info_get_subdevices_count(rawmidiinfo));
100 			printf("  subdevices avail - %i\n", snd_rawmidi_info_get_subdevices_avail(rawmidiinfo));
101 		}
102 		snd_ctl_close(handle);
103 	}
104 
105 	snd_config_update_free_global();
106 	return 0;
107 }
108