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-rw-r--r--src/audio_format.c3
-rw-r--r--src/audio_format.h9
-rw-r--r--src/audio_parser.c6
-rw-r--r--src/decoder/flac_pcm.c1
-rw-r--r--src/output/alsa_output_plugin.c1
-rw-r--r--src/output/oss_output_plugin.c1
-rw-r--r--src/pcm_byteswap.c1
-rw-r--r--src/pcm_convert.c1
-rw-r--r--src/pcm_format.c4
-rw-r--r--src/pcm_mix.c2
-rw-r--r--src/pcm_volume.c1
11 files changed, 30 insertions, 0 deletions
diff --git a/src/audio_format.c b/src/audio_format.c
index c9ee27fa1..8222f0a53 100644
--- a/src/audio_format.c
+++ b/src/audio_format.c
@@ -77,6 +77,9 @@ sample_format_to_string(enum sample_format format)
case SAMPLE_FORMAT_DSD_LSBFIRST:
return "dsdl";
+
+ case SAMPLE_FORMAT_DSD_OVER_USB:
+ return "dsdusb";
}
/* unreachable */
diff --git a/src/audio_format.h b/src/audio_format.h
index 2c86b70b9..5bb2ed9fb 100644
--- a/src/audio_format.h
+++ b/src/audio_format.h
@@ -61,6 +61,13 @@ enum sample_format {
* comes first.
*/
SAMPLE_FORMAT_DSD_LSBFIRST,
+
+ /**
+ * DSD packed in 24 bit samples (no padding), according to the
+ * dCS suggested standard:
+ * http://www.dcsltd.co.uk/page/assets/DSDoverUSB.pdf
+ */
+ SAMPLE_FORMAT_DSD_OVER_USB,
};
static const unsigned MAX_CHANNELS = 8;
@@ -189,6 +196,7 @@ audio_valid_sample_format(enum sample_format format)
case SAMPLE_FORMAT_FLOAT:
case SAMPLE_FORMAT_DSD:
case SAMPLE_FORMAT_DSD_LSBFIRST:
+ case SAMPLE_FORMAT_DSD_OVER_USB:
return true;
case SAMPLE_FORMAT_UNDEFINED:
@@ -258,6 +266,7 @@ sample_format_size(enum sample_format format)
return 2;
case SAMPLE_FORMAT_S24:
+ case SAMPLE_FORMAT_DSD_OVER_USB:
return 3;
case SAMPLE_FORMAT_S24_P32:
diff --git a/src/audio_parser.c b/src/audio_parser.c
index 7061e0e00..4ee2bda0c 100644
--- a/src/audio_parser.c
+++ b/src/audio_parser.c
@@ -87,6 +87,12 @@ parse_sample_format(const char *src, bool mask,
return true;
}
+ if (memcmp(src, "dsdusb", 6) == 0) {
+ *sample_format_r = SAMPLE_FORMAT_DSD_OVER_USB;
+ *endptr_r = src + 6;
+ return true;
+ }
+
if (memcmp(src, "dsd", 3) == 0) {
if (src[3] == 'l') {
*sample_format_r = SAMPLE_FORMAT_DSD_LSBFIRST;
diff --git a/src/decoder/flac_pcm.c b/src/decoder/flac_pcm.c
index 4d35b118e..5f7d382a1 100644
--- a/src/decoder/flac_pcm.c
+++ b/src/decoder/flac_pcm.c
@@ -105,6 +105,7 @@ flac_convert(void *dest,
case SAMPLE_FORMAT_FLOAT:
case SAMPLE_FORMAT_DSD:
case SAMPLE_FORMAT_DSD_LSBFIRST:
+ case SAMPLE_FORMAT_DSD_OVER_USB:
case SAMPLE_FORMAT_UNDEFINED:
/* unreachable */
assert(false);
diff --git a/src/output/alsa_output_plugin.c b/src/output/alsa_output_plugin.c
index 58f73d67d..4a51fcaed 100644
--- a/src/output/alsa_output_plugin.c
+++ b/src/output/alsa_output_plugin.c
@@ -196,6 +196,7 @@ get_bitformat(enum sample_format sample_format)
case SAMPLE_FORMAT_UNDEFINED:
case SAMPLE_FORMAT_DSD:
case SAMPLE_FORMAT_DSD_LSBFIRST:
+ case SAMPLE_FORMAT_DSD_OVER_USB:
return SND_PCM_FORMAT_UNKNOWN;
case SAMPLE_FORMAT_S8:
diff --git a/src/output/oss_output_plugin.c b/src/output/oss_output_plugin.c
index f98d01914..0868cf7e7 100644
--- a/src/output/oss_output_plugin.c
+++ b/src/output/oss_output_plugin.c
@@ -398,6 +398,7 @@ sample_format_to_oss(enum sample_format format)
case SAMPLE_FORMAT_FLOAT:
case SAMPLE_FORMAT_DSD:
case SAMPLE_FORMAT_DSD_LSBFIRST:
+ case SAMPLE_FORMAT_DSD_OVER_USB:
return AFMT_QUERY;
case SAMPLE_FORMAT_S8:
diff --git a/src/pcm_byteswap.c b/src/pcm_byteswap.c
index 741c6510f..f57957a94 100644
--- a/src/pcm_byteswap.c
+++ b/src/pcm_byteswap.c
@@ -70,6 +70,7 @@ pcm_byteswap(struct pcm_buffer *buffer, enum sample_format format,
case SAMPLE_FORMAT_UNDEFINED:
case SAMPLE_FORMAT_S24:
case SAMPLE_FORMAT_FLOAT:
+ case SAMPLE_FORMAT_DSD_OVER_USB:
/* not implemented */
return NULL;
diff --git a/src/pcm_convert.c b/src/pcm_convert.c
index 62e36899a..2dfd3c734 100644
--- a/src/pcm_convert.c
+++ b/src/pcm_convert.c
@@ -82,6 +82,7 @@ pcm_convert_channels(struct pcm_buffer *buffer, enum sample_format format,
case SAMPLE_FORMAT_FLOAT:
case SAMPLE_FORMAT_DSD:
case SAMPLE_FORMAT_DSD_LSBFIRST:
+ case SAMPLE_FORMAT_DSD_OVER_USB:
g_set_error(error_r, pcm_convert_quark(), 0,
"Channel conversion not implemented for format '%s'",
sample_format_to_string(format));
diff --git a/src/pcm_format.c b/src/pcm_format.c
index c7cf910ed..ecc1ee1c9 100644
--- a/src/pcm_format.c
+++ b/src/pcm_format.c
@@ -149,6 +149,7 @@ pcm_convert_to_16(struct pcm_buffer *buffer, struct pcm_dither *dither,
case SAMPLE_FORMAT_UNDEFINED:
case SAMPLE_FORMAT_DSD:
case SAMPLE_FORMAT_DSD_LSBFIRST:
+ case SAMPLE_FORMAT_DSD_OVER_USB:
break;
case SAMPLE_FORMAT_S8:
@@ -269,6 +270,7 @@ pcm_convert_to_24(struct pcm_buffer *buffer,
case SAMPLE_FORMAT_UNDEFINED:
case SAMPLE_FORMAT_DSD:
case SAMPLE_FORMAT_DSD_LSBFIRST:
+ case SAMPLE_FORMAT_DSD_OVER_USB:
break;
case SAMPLE_FORMAT_S8:
@@ -395,6 +397,7 @@ pcm_convert_to_32(struct pcm_buffer *buffer,
case SAMPLE_FORMAT_UNDEFINED:
case SAMPLE_FORMAT_DSD:
case SAMPLE_FORMAT_DSD_LSBFIRST:
+ case SAMPLE_FORMAT_DSD_OVER_USB:
break;
case SAMPLE_FORMAT_S8:
@@ -532,6 +535,7 @@ pcm_convert_to_float(struct pcm_buffer *buffer,
case SAMPLE_FORMAT_UNDEFINED:
case SAMPLE_FORMAT_DSD:
case SAMPLE_FORMAT_DSD_LSBFIRST:
+ case SAMPLE_FORMAT_DSD_OVER_USB:
break;
case SAMPLE_FORMAT_S8:
diff --git a/src/pcm_mix.c b/src/pcm_mix.c
index 84bb5526d..0fb7b6dcd 100644
--- a/src/pcm_mix.c
+++ b/src/pcm_mix.c
@@ -122,6 +122,7 @@ pcm_add_vol(void *buffer1, const void *buffer2, size_t size,
case SAMPLE_FORMAT_S24:
case SAMPLE_FORMAT_DSD:
case SAMPLE_FORMAT_DSD_LSBFIRST:
+ case SAMPLE_FORMAT_DSD_OVER_USB:
/* not implemented */
return false;
@@ -233,6 +234,7 @@ pcm_add(void *buffer1, const void *buffer2, size_t size,
case SAMPLE_FORMAT_S24:
case SAMPLE_FORMAT_DSD:
case SAMPLE_FORMAT_DSD_LSBFIRST:
+ case SAMPLE_FORMAT_DSD_OVER_USB:
/* not implemented */
return false;
diff --git a/src/pcm_volume.c b/src/pcm_volume.c
index d8da570aa..c83ee0f7f 100644
--- a/src/pcm_volume.c
+++ b/src/pcm_volume.c
@@ -161,6 +161,7 @@ pcm_volume(void *buffer, size_t length,
case SAMPLE_FORMAT_S24:
case SAMPLE_FORMAT_DSD:
case SAMPLE_FORMAT_DSD_LSBFIRST:
+ case SAMPLE_FORMAT_DSD_OVER_USB:
/* not implemented */
return false;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 10:21:01 +0000