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speaker-test: Add support for channel mapping API

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The surround channel map follows the given channel map from the
driver if available.

Also, the channels can be specified manually via -m option.
Pass the channel map like "FL,FR,FC,LFE".

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2012-09-11 11:36:45 +02:00
parent b9deb6d9f3
commit 951cb2c297
1 changed files with 124 additions and 15 deletions
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139
speaker-test/speaker-test.c
View file

@ -60,6 +60,10 @@
#include <locale.h>
#endif
#ifdef SND_CHMAP_API_VERSION
#define CONFIG_SUPPORT_CHMAP 1
#endif
enum {
TEST_PINK_NOISE = 1,
TEST_SINE,
@ -100,6 +104,11 @@ static const char *given_test_wav_file = NULL;
static char *wav_file_dir = SOUNDSDIR;
static int debug = 0;
#ifdef CONFIG_SUPPORT_CHMAP
static snd_pcm_chmap_t *channel_map;
static int channel_map_set;
#endif
static const char *const channel_name[MAX_CHANNELS] = {
/* 0 */ N_("Front Left"),
/* 1 */ N_("Front Right"),
@ -143,6 +152,65 @@ static const int channels8[] = {
6, /* Side Left */
5, /* LFE */
};
static int get_mapped_channel(int chn)
{
#ifdef CONFIG_SUPPORT_CHMAP
static const int maps[MAX_CHANNELS] = {
SND_CHMAP_FL,
SND_CHMAP_FR,
SND_CHMAP_RL,
SND_CHMAP_RR,
SND_CHMAP_FC,
SND_CHMAP_LFE,
SND_CHMAP_SL,
SND_CHMAP_SR,
};
if (channel_map && maps[chn]) {
int i;
for (i = 0; i < channel_map->channels; i++) {
if (channel_map->pos[i] == maps[chn])
return i;
}
}
#endif
return chn;
}
static int get_speaker_channel(int chn)
{
#ifdef CONFIG_SUPPORT_CHMAP
if (channel_map_set)
return chn;
#endif
switch (channels) {
case 4:
chn = channels4[chn];
break;
case 6:
chn = channels6[chn];
break;
case 8:
chn = channels8[chn];
break;
}
return get_mapped_channel(chn);
}
static const char *get_channel_name(int chn)
{
#ifdef CONFIG_SUPPORT_CHMAP
if (channel_map_set && chn < channel_map->channels) {
const char *name = snd_pcm_chmap_long_name(channel_map->pos[chn]);
return name ? name : "Unknown";
}
#endif
return gettext(channel_name[chn]);
}
static const int supported_formats[] = {
SND_PCM_FORMAT_S8,
SND_PCM_FORMAT_S16_LE,
@ -519,6 +587,31 @@ static int set_swparams(snd_pcm_t *handle, snd_pcm_sw_params_t *swparams) {
return 0;
}
#ifdef CONFIG_SUPPORT_CHMAP
static int config_chmap(snd_pcm_t *handle, const char *mapstr)
{
int err;
if (mapstr) {
channel_map = snd_pcm_chmap_parse_string(mapstr);
if (!channel_map) {
fprintf(stderr, _("Unable to parse channel map string: %s\n"), mapstr);
return -EINVAL;
}
err = snd_pcm_set_chmap(handle, channel_map);
if (err < 0) {
fprintf(stderr, _("Unable to set channel map: %s\n"), mapstr);
return err;
}
channel_map_set = 1;
return 0;
}
channel_map = snd_pcm_get_chmap(handle);
return 0;
}
#endif
/*
* Underrun and suspend recovery
*/
@ -815,6 +908,7 @@ static void help(void)
"-s,--speaker single speaker test. Values 1=Left, 2=right, etc\n"
"-w,--wavfile Use the given WAV file as a test sound\n"
"-W,--wavdir Specify the directory containing WAV files\n"
"-m,--chmap Specify the channel map to override\n"
"\n"));
printf(_("Recognized sample formats are:"));
for (fmt = supported_formats; *fmt >= 0; fmt++) {
@ -837,6 +931,9 @@ int main(int argc, char *argv[]) {
double time1,time2,time3;
unsigned int n, nloops;
struct timeval tv1,tv2;
#ifdef CONFIG_SUPPORT_CHMAP
const char *chmap = NULL;
#endif
static const struct option long_option[] = {
{"help", 0, NULL, 'h'},
@ -854,6 +951,9 @@ int main(int argc, char *argv[]) {
{"wavfile", 1, NULL, 'w'},
{"wavdir", 1, NULL, 'W'},
{"debug", 0, NULL, 'd'},
#ifdef CONFIG_SUPPORT_CHMAP
{"chmap", 1, NULL, 'm'},
#endif
{NULL, 0, NULL, 0 },
};
@ -872,7 +972,11 @@ int main(int argc, char *argv[]) {
while (1) {
int c;
if ((c = getopt_long(argc, argv, "hD:r:c:f:F:b:p:P:t:l:s:w:W:d", long_option, NULL)) < 0)
if ((c = getopt_long(argc, argv, "hD:r:c:f:F:b:p:P:t:l:s:w:W:d"
#ifdef CONFIG_SUPPORT_CHMAP
"m:"
#endif
, long_option, NULL)) < 0)
break;
switch (c) {
@ -963,6 +1067,11 @@ int main(int argc, char *argv[]) {
case 'd':
debug = 1;
break;
#ifdef CONFIG_SUPPORT_CHMAP
case 'm':
chmap = optarg;
break;
#endif
default:
fprintf(stderr, _("Unknown option '%c'\n"), c);
exit(EXIT_FAILURE);
@ -1008,6 +1117,13 @@ int main(int argc, char *argv[]) {
snd_pcm_close(handle);
exit(EXIT_FAILURE);
}
#ifdef CONFIG_SUPPORT_CHMAP
err = config_chmap(handle, chmap);
if (err < 0)
exit(EXIT_FAILURE);
#endif
if (debug) {
snd_output_t *log;
err = snd_output_stdio_attach(&log, stderr, 0);
@ -1038,17 +1154,8 @@ int main(int argc, char *argv[]) {
gettimeofday(&tv1, NULL);
for(chn = 0; chn < channels; chn++) {
int channel=chn;
if (channels == 4) {
channel=channels4[chn];
}
if (channels == 6) {
channel=channels6[chn];
}
if (channels == 8) {
channel=channels8[chn];
}
printf(" %d - %s\n", channel, gettext(channel_name[channel]));
int channel = get_speaker_channel(chn);
printf(" %d - %s\n", channel, get_channel_name(channel));
err = write_loop(handle, channel, ((rate*3)/period_size), frames);
@ -1066,13 +1173,15 @@ int main(int argc, char *argv[]) {
printf(_("Time per period = %lf\n"), time3 );
}
} else {
chn = get_speaker_channel(speaker - 1);
if (test_type == TEST_WAV) {
if (setup_wav_file(speaker - 1) < 0)
if (setup_wav_file(chn) < 0)
exit(EXIT_FAILURE);
}
printf(" - %s\n", gettext(channel_name[speaker-1]));
err = write_loop(handle, speaker-1, ((rate*5)/period_size), frames);
printf(" - %s\n", get_channel_name(chn));
err = write_loop(handle, chn, ((rate*5)/period_size), frames);
if (err < 0) {
fprintf(stderr, _("Transfer failed: %s\n"), snd_strerror(err));