diff options
Diffstat (limited to 'audio/out/ao_alsa.c')
| -rw-r--r-- | audio/out/ao_alsa.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/audio/out/ao_alsa.c b/audio/out/ao_alsa.c index 05f9e89803..2d8587a28c 100644 --- a/audio/out/ao_alsa.c +++ b/audio/out/ao_alsa.c @@ -304,6 +304,26 @@ static const char *select_chmap(struct ao *ao) return "default"; } +static int map_iec958_srate(int srate) +{ + switch (srate) { + case 192000: return IEC958_AES4_CON_ORIGFS_192000; + case 12000: return IEC958_AES4_CON_ORIGFS_12000; + case 176400: return IEC958_AES4_CON_ORIGFS_176400; + case 96000: return IEC958_AES4_CON_ORIGFS_96000; + case 8000: return IEC958_AES4_CON_ORIGFS_8000; + case 88200: return IEC958_AES4_CON_ORIGFS_88200; + case 16000: return IEC958_AES4_CON_ORIGFS_16000; + case 24000: return IEC958_AES4_CON_ORIGFS_24000; + case 11025: return IEC958_AES4_CON_ORIGFS_11025; + case 22050: return IEC958_AES4_CON_ORIGFS_22050; + case 32000: return IEC958_AES4_CON_ORIGFS_32000; + case 48000: return IEC958_AES4_CON_ORIGFS_48000; + case 44100: return IEC958_AES4_CON_ORIGFS_44100; + default: return IEC958_AES4_CON_ORIGFS_NOTID; + } +} + static int try_open_device(struct ao *ao, const char *device, int open_mode) { struct priv *p = ao->priv; @@ -311,7 +331,11 @@ static int try_open_device(struct ao *ao, const char *device, int open_mode) if (AF_FORMAT_IS_IEC61937(ao->format)) { void *tmp = talloc_new(NULL); /* to set the non-audio bit, use AES0=6 */ - char *params = "AES0=6"; + char *params = talloc_asprintf(tmp, + "AES0=%d,AES1=%d,AES2=0,AES3=%d", + IEC958_AES0_NONAUDIO | IEC958_AES0_PRO_EMPHASIS_NONE, + IEC958_AES1_CON_ORIGINAL | IEC958_AES1_CON_PCM_CODER, + map_iec958_srate(ao->samplerate)); const char *ac3_device = device; int len = strlen(device); char *end = strchr(device, ':'); |