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Updated the S/PDIF test code.

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This commit is contained in:
Jaroslav Kysela 2000-12-22 14:03:15 +00:00
parent 66608d67ea
commit 652941f76e
1 changed files with 52 additions and 32 deletions
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84
aplay/aplay.c
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@ -86,6 +86,8 @@ static int verbose = 0;
static int buffer_pos = 0;
static size_t bits_per_sample, bits_per_frame;
static size_t buffer_bytes;
static int digtype = SND_CONTROL_TYPE_NONE;
static snd_digital_audio_t diga;
static int count;
static int vocmajor, vocminor;
@ -303,6 +305,7 @@ int main(int argc, char *argv[])
rhwparams.format = SND_PCM_FORMAT_U8;
rhwparams.rate = DEFAULT_SPEED;
rhwparams.channels = 1;
memset(&diga, 0, sizeof(diga));
while ((c = getopt_long(argc, argv, short_options, long_options, &option_index)) != -1) {
switch (c) {
@ -403,10 +406,24 @@ int main(int argc, char *argv[])
interleaved = 0;
break;
case 'C':
// digital = SND_PCM_DIG_AES_IEC958C;
digtype = SND_CONTROL_TYPE_IEC958;
diga.aes.status[0] = SND_PCM_AES0_NONAUDIO |
SND_PCM_AES0_CON_EMPHASIS_NONE;
diga.aes.status[1] = SND_PCM_AES1_CON_ORIGINAL |
SND_PCM_AES1_CON_PCM_CODER;
diga.aes.status[2] = 0;
diga.aes.status[3] = SND_PCM_AES3_CON_FS_48000;
break;
case 'P':
// digital = SND_PCM_DIG_AES_IEC958P;
digtype = SND_CONTROL_TYPE_IEC958;
diga.aes.status[0] = SND_PCM_AES0_PROFESSIONAL |
SND_PCM_AES0_NONAUDIO |
SND_PCM_AES0_PRO_EMPHASIS_NONE |
SND_PCM_AES0_PRO_FS_48000;
diga.aes.status[1] = SND_PCM_AES1_PRO_MODE_NOTID |
SND_PCM_AES1_PRO_USERBITS_NOTID;
diga.aes.status[2] = SND_PCM_AES2_PRO_WORDLEN_NOTID;
diga.aes.status[3] = 0;
break;
default:
fprintf(stderr, "Try `%s --help' for more information.\n", command);
@ -420,32 +437,40 @@ int main(int argc, char *argv[])
return 1;
}
#if 1
#warning "The S/PDIF code needs to be recoded.."
#else
if (digital != SND_PCM_DIG_NONE) {
snd_pcm_dig_params_t dig;
memset(&dig, 0, sizeof(dig));
dig.group = 0;
dig.val.aes.status[0] = SND_PCM_AES0_NONAUDIO;
dig.type = digital;
switch (digital) {
case SND_PCM_DIG_AES_IEC958P:
dig.val.aes.status[0] |= SND_PCM_AES0_PROFESSIONAL;
dig.val.aes.status[0] |= SND_PCM_AES0_PRO_FS_48000;
break;
case SND_PCM_DIG_AES_IEC958C:
dig.type = SND_PCM_DIG_AES_IEC958C;
dig.val.aes.status[3] |= SND_PCM_AES3_CON_FS_48000;
break;
}
err = snd_pcm_dig_params(handle, &dig);
if (err < 0) {
error("dig_params setting error: %s", snd_strerror(err));
return 1;
}
memset(&info, 0, sizeof(info));
if ((err = snd_pcm_info(handle, &info)) < 0) {
error("info error: %s", snd_strerror(err));
return 1;
}
if (digtype != SND_CONTROL_TYPE_NONE) {
snd_control_t ctl;
snd_ctl_t *ctl_handle;
char ctl_name[12];
int ctl_card;
memset(&ctl, 0, sizeof(ctl));
ctl.id.numid = 0;
ctl.id.iface = SND_CONTROL_IFACE_PCM;
ctl.id.device = info.device;
ctl.id.subdevice = info.subdevice;
strcpy(ctl.id.name, "IEC958 (S/PDIF) Stream");
ctl_card = snd_pcm_card(handle);
if (ctl_card < 0) {
error("Unable to setup the IEC958 (S/PDIF) interface - PCM has no assigned card");
goto __diga_end;
}
sprintf(ctl_name, "hw:%d", ctl_card);
if ((err = snd_ctl_open(&ctl_handle, ctl_name)) < 0) {
error("Unable to open the control interface '%s': %s", ctl_name, snd_strerror(err));
goto __diga_end;
}
if ((err = snd_ctl_cwrite(ctl_handle, &ctl)) < 0) {
error("Unable to update the IEC958 control: %s", snd_strerror(err));
goto __diga_end;
}
snd_ctl_close(ctl_handle);
__diga_end:
}
#endif
if (nonblock) {
err = snd_pcm_nonblock(handle, 1);
@ -454,11 +479,6 @@ int main(int argc, char *argv[])
return 1;
}
}
memset(&info, 0, sizeof(info));
if ((err = snd_pcm_info(handle, &info)) < 0) {
error("info error: %s", snd_strerror(err));
return 1;
}
buffer_size = 1024;
hwparams = rhwparams;