[alsa-devel] [PATCH 2/2] alsa-lib: bring pcm.h and pcm.c in sync with the kernel list

[Daniel Mack]

In particular, this adds definitions and descriptions for G.723 and
DSD types.

Signed-off-by: Daniel Mack <zonque at gmail.com>
---
 include/pcm.h | 14 +++++++++++++-
 src/pcm/pcm.c | 12 ++++++++++++
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/include/pcm.h b/include/pcm.h
index 2235678..fc0cfea 100644
--- a/include/pcm.h
+++ b/include/pcm.h
@@ -199,7 +199,19 @@ typedef enum _snd_pcm_format {
 	SND_PCM_FORMAT_U18_3LE,
 	/** Unsigned 18bit Big Endian in 3bytes format */
 	SND_PCM_FORMAT_U18_3BE,
-	SND_PCM_FORMAT_LAST = SND_PCM_FORMAT_U18_3BE,
+	/* G.723 (ADPCM) 24 kbit/s, 8 samples in 3 bytes */
+	SND_PCM_FORMAT_G723_24,
+	/* G.723 (ADPCM) 24 kbit/s, 1 sample in 1 byte */
+	SND_PCM_FORMAT_G723_24_1B,
+	/* G.723 (ADPCM) 40 kbit/s, 8 samples in 3 bytes */
+	SND_PCM_FORMAT_G723_40,
+	/* G.723 (ADPCM) 40 kbit/s, 1 sample in 1 byte */
+	SND_PCM_FORMAT_G723_40_1B,
+	/* Direct Stream Digital (DSD) in 1-byte samples (x8) */
+	SND_PCM_FORMAT_DSD_U8,
+	/* Direct Stream Digital (DSD) in 2-byte samples (x16) */
+	SND_PCM_FORMAT_DSD_U16_LE,
+	SND_PCM_FORMAT_LAST = SND_PCM_FORMAT_DSD_U16_LE,
 
 #if __BYTE_ORDER == __LITTLE_ENDIAN
 	/** Signed 16 bit CPU endian */
diff --git a/src/pcm/pcm.c b/src/pcm/pcm.c
index 2963711..8d7b67d 100644
--- a/src/pcm/pcm.c
+++ b/src/pcm/pcm.c
@@ -1554,6 +1554,12 @@ static const char *const snd_pcm_format_names[] = {
 	FORMAT(S18_3BE),
 	FORMAT(U18_3LE),
 	FORMAT(U18_3BE),
+	FORMAT(G723_24),
+	FORMAT(G723_24_1B),
+	FORMAT(G723_40),
+	FORMAT(G723_40_1B),
+	FORMAT(DSD_U8),
+	FORMAT(DSD_U16_LE),
 };
 
 static const char *const snd_pcm_format_aliases[SND_PCM_FORMAT_LAST+1] = {
@@ -1607,6 +1613,12 @@ static const char *const snd_pcm_format_descriptions[] = {
 	FORMATD(S18_3BE, "Signed 18 bit Big Endian in 3bytes"),
 	FORMATD(U18_3LE, "Unsigned 18 bit Little Endian in 3bytes"),
 	FORMATD(U18_3BE, "Unsigned 18 bit Big Endian in 3bytes"),
+	FORMATD(G723_24, "G.723 (ADPCM) 24 kbit/s, 8 samples in 3 bytes"),
+	FORMATD(G723_24_1B, "G.723 (ADPCM) 24 kbit/s, 1 sample in 1 byte"),
+	FORMATD(G723_40, "G.723 (ADPCM) 40 kbit/s, 8 samples in 3 bytes"),
+	FORMATD(G723_40_1B, "G.723 (ADPCM) 40 kbit/s, 1 sample in 1 byte"),
+	FORMATD(DSD_U8,  "Direct Stream Digital, 1-byte (x8), oldest bit in MSB"),
+	FORMATD(DSD_U16_LE, "Direct Stream Digital, 2-byte (x16), little endian, oldest bits in MSB"),
 };
 
 static const char *const snd_pcm_type_names[] = {
-- 
1.8.1.4