From: Abramo Bagnara <abramo@alsa-project.org>
Date: Wed, 29 Nov 2000 18:27:33 +0000 (+0000)
Subject: Added experimental options for spdif output (for debugging purpose)
X-Git-Tag: v1.0.3~295
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=880f642260e4abc9f3476863e0020222a8854bc1;p=alsa-utils.git

Added experimental options for spdif output (for debugging purpose)
---

diff --git a/aplay/aplay.c b/aplay/aplay.c
index bae02ce..85cbfdd 100644
--- a/aplay/aplay.c
+++ b/aplay/aplay.c
@@ -83,6 +83,7 @@ static int verbose = 0;
 static int buffer_pos = 0;
 static size_t bits_per_sample, bits_per_frame;
 static size_t buffer_bytes;
+int digital = SND_PCM_DIG_NONE;
 
 static int count;
 static int vocmajor, vocminor;
@@ -151,6 +152,8 @@ Usage: %s [OPTION]... [FILE]...
 -X, --xfer-min=#	 min xfer size is # milliseconds
 -v, --verbose            show PCM structure and setup
 -I, --separate-channels  one file for each channel
+-P, --iec958p            AES IEC958 professional
+-C, --iec958c            AES IEC958 consumer
 ", command);
 	fprintf(stderr, "Recognized sample formats are:");
 	for (k = 0; k < 32; ++k) {
@@ -266,6 +269,8 @@ int main(int argc, char *argv[])
 		{"xfer-min", 1, 0, 'X'},
 		{"buffer-length", 1, 0, 'B'},
 		{"verbose", 0, 0, 'v'},
+		{"iec958c", 0, 0, 'C'},
+		{"iec958p", 0, 0, 'P'},
 		{"separate-channels", 0, 0, 'I'},
 		{0, 0, 0, 0}
 	};
@@ -389,6 +394,12 @@ int main(int argc, char *argv[])
 		case 'I':
 			interleaved = 0;
 			break;
+		case 'C':
+			digital = SND_PCM_DIG_AES_IEC958C;
+			break;
+		case 'P':
+			digital = SND_PCM_DIG_AES_IEC958P;
+			break;
 		default:
 			fprintf(stderr, "Try `%s --help' for more information.\n", command);
 			return 1;
@@ -401,6 +412,29 @@ int main(int argc, char *argv[])
 		return 1;
 	}
 
+	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;
+		}
+	}
+
 	if (nonblock) {
 		err = snd_pcm_nonblock(handle, 1);
 		if (err < 0) {