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authorViliam Mateicka <viliam.mateicka@gmail.com>2009-01-10 17:53:33 +0100
committerMax Kellermann <max@duempel.org>2009-01-10 17:55:38 +0100
commit11c29cccb3409fb4d0fea5171a56230253583864 (patch)
tree6ab080de10e9f0d3c4acf48b24815689f9fc4be5 /src/output
parent8ebe7bfb250f2b1048d6e7f6c2477717daaad8e9 (diff)
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Introducing mixer api
This patch tryes to introduce pluggable mixer (struct mixer_plugin) along with some basic infrastructure (mixer_* functions). Instance of mixer (struct mixer) is used in alsa and oss output plugin
Diffstat (limited to '')
-rw-r--r--src/output/alsa_plugin.c15
-rw-r--r--src/output/oss_plugin.c16
2 files changed, 16 insertions, 15 deletions
diff --git a/src/output/alsa_plugin.c b/src/output/alsa_plugin.c
index fc5c56c21..58f549800 100644
--- a/src/output/alsa_plugin.c
+++ b/src/output/alsa_plugin.c
@@ -52,7 +52,7 @@ typedef struct _AlsaData {
int sampleSize;
int useMmap;
- struct alsa_mixer *mixer;
+ struct mixer mixer;
} AlsaData;
@@ -74,7 +74,8 @@ static AlsaData *newAlsaData(void)
ret->buffer_time = MPD_ALSA_BUFFER_TIME_US;
ret->period_time = 0;
- ret->mixer = alsa_mixer_init();
+ //use alsa mixer by default
+ mixer_init(&ret->mixer, &alsa_mixer);
return ret;
}
@@ -82,7 +83,7 @@ static AlsaData *newAlsaData(void)
static void freeAlsaData(AlsaData * ad)
{
g_free(ad->device);
- alsa_mixer_finish(ad->mixer);
+ mixer_finish(&ad->mixer);
free(ad);
}
@@ -133,7 +134,7 @@ static void *alsa_initDriver(G_GNUC_UNUSED struct audio_output *ao,
if (param) {
alsa_configure(ad, param);
- alsa_mixer_configure(ad->mixer, param);
+ mixer_configure(&ad->mixer, param);
}
return ad;
@@ -189,7 +190,7 @@ static bool alsa_openDevice(void *data, struct audio_format *audioFormat)
unsigned int period_time, period_time_ro;
unsigned int buffer_time;
- alsa_mixer_open(ad->mixer);
+ mixer_open(&ad->mixer);
if ((bitformat = get_bitformat(audioFormat)) == SND_PCM_FORMAT_UNKNOWN)
g_warning("ALSA device \"%s\" doesn't support %u bit audio\n",
@@ -413,7 +414,7 @@ static void alsa_closeDevice(void *data)
snd_pcm_close(ad->pcmHandle);
ad->pcmHandle = NULL;
}
- alsa_mixer_close(ad->mixer);
+ mixer_close(&ad->mixer);
}
static bool
@@ -451,7 +452,7 @@ static bool
alsa_control(void *data, int cmd, void *arg)
{
AlsaData *ad = data;
- return alsa_mixer_control(ad->mixer, cmd, arg);
+ return mixer_control(&ad->mixer, cmd, arg);
}
const struct audio_output_plugin alsaPlugin = {
diff --git a/src/output/oss_plugin.c b/src/output/oss_plugin.c
index f46377254..175aace1a 100644
--- a/src/output/oss_plugin.c
+++ b/src/output/oss_plugin.c
@@ -55,7 +55,7 @@ typedef struct _OssData {
int numSupported[3];
int *unsupported[3];
int numUnsupported[3];
- struct oss_mixer *mixer;
+ struct mixer mixer;
} OssData;
enum oss_support {
@@ -276,7 +276,7 @@ static OssData *newOssData(void)
supportParam(ret, SNDCTL_DSP_CHANNELS, 2);
supportParam(ret, SNDCTL_DSP_SAMPLESIZE, 16);
- ret->mixer = oss_mixer_init();
+ mixer_init( &ret->mixer, &oss_mixer);
return ret;
}
@@ -290,7 +290,7 @@ static void freeOssData(OssData * od)
g_free(od->unsupported[OSS_CHANNELS]);
g_free(od->unsupported[OSS_BITS]);
- oss_mixer_finish(od->mixer);
+ mixer_finish(&od->mixer);
free(od);
}
@@ -355,7 +355,7 @@ static void *oss_open_default(ConfigParam *param)
if (ret[i] == 0) {
OssData *od = newOssData();
od->device = default_devices[i];
- oss_mixer_configure(od->mixer, param);
+ mixer_configure(&od->mixer, param);
return od;
}
}
@@ -396,7 +396,7 @@ static void *oss_initDriver(G_GNUC_UNUSED struct audio_output *audioOutput,
if (bp) {
OssData *od = newOssData();
od->device = bp->value;
- oss_mixer_configure(od->mixer, param);
+ mixer_configure(&od->mixer, param);
return od;
}
}
@@ -522,7 +522,7 @@ oss_openDevice(void *data, struct audio_format *audioFormat)
od->audio_format.bits, od->audio_format.channels,
od->audio_format.sample_rate);
- oss_mixer_open(od->mixer);
+ mixer_open(&od->mixer);
return ret;
}
@@ -532,7 +532,7 @@ static void oss_closeDevice(void *data)
OssData *od = data;
oss_close(od);
- oss_mixer_close(od->mixer);
+ mixer_close(&od->mixer);
}
static void oss_dropBufferedAudio(void *data)
@@ -575,7 +575,7 @@ static bool
oss_control(void *data, int cmd, void *arg)
{
OssData *od = data;
- return oss_mixer_control(od->mixer, cmd, arg);
+ return mixer_control(&od->mixer, cmd, arg);
}
const struct audio_output_plugin ossPlugin = {