diff options
Diffstat (limited to 'src/mixer/alsa_mixer.c')
| -rw-r--r-- | src/mixer/alsa_mixer.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/src/mixer/alsa_mixer.c b/src/mixer/alsa_mixer.c index 95e5c70ee..d35040499 100644 --- a/src/mixer/alsa_mixer.c +++ b/src/mixer/alsa_mixer.c @@ -26,6 +26,9 @@ #define VOLUME_MIXER_ALSA_CONTROL_DEFAULT "PCM" struct alsa_mixer { + /** the base mixer class */ + struct mixer base; + char *device; char *control; snd_mixer_t *handle; @@ -35,10 +38,12 @@ struct alsa_mixer { int volume_set; }; -static struct mixer_data * +static struct mixer * alsa_mixer_init(const struct config_param *param) { - struct alsa_mixer *am = g_malloc(sizeof(struct alsa_mixer)); + struct alsa_mixer *am = g_new(struct alsa_mixer, 1); + + mixer_init(&am->base, &alsa_mixer); am->device = config_dup_block_string(param, "mixer_device", NULL); am->control = config_dup_block_string(param, "mixer_control", NULL); @@ -49,11 +54,11 @@ alsa_mixer_init(const struct config_param *param) am->volume_max = 0; am->volume_set = -1; - return (struct mixer_data *)am; + return &am->base; } static void -alsa_mixer_finish(struct mixer_data *data) +alsa_mixer_finish(struct mixer *data) { struct alsa_mixer *am = (struct alsa_mixer *)data; @@ -63,7 +68,7 @@ alsa_mixer_finish(struct mixer_data *data) } static void -alsa_mixer_close(struct mixer_data *data) +alsa_mixer_close(struct mixer *data) { struct alsa_mixer *am = (struct alsa_mixer *)data; if (am->handle) snd_mixer_close(am->handle); @@ -71,7 +76,7 @@ alsa_mixer_close(struct mixer_data *data) } static bool -alsa_mixer_open(struct mixer_data *data) +alsa_mixer_open(struct mixer *data) { struct alsa_mixer *am = (struct alsa_mixer *)data; int err; @@ -142,7 +147,7 @@ alsa_mixer_open(struct mixer_data *data) } static bool -alsa_mixer_control(struct mixer_data *data, int cmd, void *arg) +alsa_mixer_control(struct mixer *data, int cmd, void *arg) { struct alsa_mixer *am = (struct alsa_mixer *)data; switch (cmd) { |