* [PATCH] aplay: Add support for G711 A law on .au files
@ 2022-08-10 9:25 Christophe Leroy
0 siblings, 0 replies; only message in thread
From: Christophe Leroy @ 2022-08-10 9:25 UTC (permalink / raw)
To: alsa-devel, Jaroslav Kysela; +Cc: Christophe Leroy
.au files support G711 A law as well. Add it to aplay.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
---
aplay/aplay.c | 9 +++++++++
aplay/formats.h | 1 +
2 files changed, 10 insertions(+)
diff --git a/aplay/aplay.c b/aplay/aplay.c
index 6ce7191..c004bf9 100644
--- a/aplay/aplay.c
+++ b/aplay/aplay.c
@@ -1210,6 +1210,12 @@ static int test_au(int fd, void *buffer)
fprintf(stderr, _("Warning: format is changed to S16_BE\n"));
hwparams.format = SND_PCM_FORMAT_S16_BE;
break;
+ case AU_FMT_ALAW:
+ if (hwparams.format != DEFAULT_FORMAT &&
+ hwparams.format != SND_PCM_FORMAT_A_LAW)
+ fprintf(stderr, _("Warning: format is changed to A_LAW\n"));
+ hwparams.format = SND_PCM_FORMAT_A_LAW;
+ break;
default:
return -1;
}
@@ -2735,6 +2741,9 @@ static void begin_au(int fd, size_t cnt)
case SND_PCM_FORMAT_S16_BE:
ah.encoding = BE_INT(AU_FMT_LIN16);
break;
+ case SND_PCM_FORMAT_A_LAW:
+ ah.encoding = BE_INT(AU_FMT_ALAW);
+ break;
default:
error(_("Sparc Audio doesn't support %s format..."), snd_pcm_format_name(hwparams.format));
prg_exit(EXIT_FAILURE);
diff --git a/aplay/formats.h b/aplay/formats.h
index ac0a2b0..cbc99fe 100644
--- a/aplay/formats.h
+++ b/aplay/formats.h
@@ -121,6 +121,7 @@ typedef struct {
#define AU_FMT_ULAW 1
#define AU_FMT_LIN8 2
#define AU_FMT_LIN16 3
+#define AU_FMT_ALAW 27
typedef struct au_header {
u_int magic; /* '.snd' */
--
2.37.1
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