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ac3dec - Add -H option for HDMI

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The HD-audio can have an independent HDMI PCM device via "hdmi".
The option -H is for using hdmi instead of spdif.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2008-10-24 09:24:32 +02:00
parent 0478bb19e1
commit 1ffbd0ab28
3 changed files with 20 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

6
ac3dec/ac3dec.c
View file

@ -56,6 +56,7 @@ static void help(void)
printf(" -C,--iec958c raw IEC958 (S/PDIF) consumer mode\n");
printf(" -P,--iec958p raw IEC958 (S/PDIF) professional mode\n");
printf(" -R,--iec958r raw IEC958 (S/PDIF) PCM\n");
printf(" -H,--hdmi output to HDMI device\n");
printf(" -Z,--zero=# add # zero-AC3-frames before stream\n");
printf(" -q,--quit quit mode\n");
}
@ -106,6 +107,7 @@ int main(int argc,char *argv[])
{"spdif", 0, NULL, 'C'},
{"iec958p", 0, NULL, 'P'},
{"iec958r", 0, NULL, 'R'},
{"hdmi", 0, NULL, 'H'},
{"zero", 1, NULL, 'Z'},
{"quit", 0, NULL, 'q'},
{NULL, 0, NULL, 0},
@ -126,6 +128,7 @@ int main(int argc,char *argv[])
out_config.rate = 48000;
out_config.channels = 2;
out_config.spdif = SPDIF_NONE;
out_config.hdmi = 0;
morehelp = 0;
while (1) {
@ -166,6 +169,9 @@ int main(int argc,char *argv[])
ac3_config.num_output_ch = 2;
out_config.spdif = SPDIF_PCM;
break;
case 'H':
out_config.hdmi = 1;
break;
case 'Z':
zero = atoi(optarg);
break;

14
ac3dec/output.c
View file

@ -41,6 +41,7 @@ int output_open(output_t *output)
{
const char *pcm_name = output->pcm_name;
char devstr[128];
const char *basedev;
snd_pcm_hw_params_t *params;
unsigned int rate, buffer_time, period_time, tmp;
snd_pcm_format_t format = output->bits == 16 ? SND_PCM_FORMAT_S16 : SND_PCM_FORMAT_U8;
@ -76,9 +77,18 @@ int output_open(output_t *output)
s[2] = 0;
s[3] = IEC958_AES3_CON_FS_48000;
}
sprintf(devstr, "plug:iec958:{AES0 0x%x AES1 0x%x AES2 0x%x AES3 0x%x", s[0], s[1], s[2], s[3]);
if (output->hdmi)
basedev = "hdmi";
else
basedev = "iec958";
sprintf(devstr, "plug:%s:{"
"AES0 0x%x AES1 0x%x "
"AES2 0x%x AES3 0x%x",
basedev,
s[0], s[1], s[2], s[3]);
if (out_config.card)
sprintf(devstr + strlen(devstr), " CARD %s", out_config.card);
sprintf(devstr + strlen(devstr),
" CARD %s", out_config.card);
strcat(devstr, "}");
format = SND_PCM_FORMAT_S16_LE;
} else {

3
ac3dec/output.h
View file

@ -30,7 +30,8 @@ typedef struct {
int bits;
int rate;
int channels;
int quiet: 1;
unsigned int quiet: 1;
unsigned int hdmi: 1;
enum {SPDIF_NONE = 0, SPDIF_CON, SPDIF_PRO, SPDIF_PCM} spdif;
} output_t;