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dsoundaudio: port to -audiodev config

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Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
Message-id: f25562cb88246b41c3e6380685a108fd341d5b50.1552083282.git.DirtY.iCE.hu@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Kővágó, Zoltán 2019-03-08 23:34:18 +01:00 • committed by Gerd Hoffmann
parent 17c56dc1d1
commit 4a3b8b3444
3 changed files with 63 additions and 45 deletions
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43
audio/audio_legacy.c
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@ -120,6 +120,30 @@ static void get_frames_to_usecs(const char *env, uint32_t *dst, bool *has_dst,
}
}
static uint32_t samples_to_usecs(uint32_t samples,
AudiodevPerDirectionOptions *pdo)
{
uint32_t channels = pdo->has_channels ? pdo->channels : 2;
return frames_to_usecs(samples / channels, pdo);
}
static uint32_t bytes_to_usecs(uint32_t bytes, AudiodevPerDirectionOptions *pdo)
{
AudioFormat fmt = pdo->has_format ? pdo->format : AUDIO_FORMAT_S16;
uint32_t bytes_per_sample = audioformat_bytes_per_sample(fmt);
return samples_to_usecs(bytes / bytes_per_sample, pdo);
}
static void get_bytes_to_usecs(const char *env, uint32_t *dst, bool *has_dst,
AudiodevPerDirectionOptions *pdo)
{
const char *val = getenv(env);
if (val) {
*dst = bytes_to_usecs(toui32(val), pdo);
*has_dst = true;
}
}
/* backend specific functions */
/* ALSA */
static void handle_alsa_per_direction(
@ -180,6 +204,21 @@ static void handle_coreaudio(Audiodev *dev)
&dev->u.coreaudio.out->has_buffer_count);
}
/* dsound */
static void handle_dsound(Audiodev *dev)
{
get_millis_to_usecs("QEMU_DSOUND_LATENCY_MILLIS",
&dev->u.dsound.latency, &dev->u.dsound.has_latency);
get_bytes_to_usecs("QEMU_DSOUND_BUFSIZE_OUT",
&dev->u.dsound.out->buffer_length,
&dev->u.dsound.out->has_buffer_length,
dev->u.dsound.out);
get_bytes_to_usecs("QEMU_DSOUND_BUFSIZE_IN",
&dev->u.dsound.in->buffer_length,
&dev->u.dsound.in->has_buffer_length,
dev->u.dsound.in);
}
/* general */
static void handle_per_direction(
AudiodevPerDirectionOptions *pdo, const char *prefix)
@ -229,6 +268,10 @@ static AudiodevListEntry *legacy_opt(const char *drvname)
handle_coreaudio(e->dev);
break;
case AUDIODEV_DRIVER_DSOUND:
handle_dsound(e->dev);
break;
default:
break;
}