# include "config.h"
#endif
+#include <math.h>
+
#include <assert.h>
#include <vlc_common.h>
#include <vlc_aout.h>
* other thread knows of this audio output instance.
aout_assert_locked (aout); */
aout->pf_volume_set = aout_VolumeNoneSet;
+ var_Destroy (aout, "volume");
+ var_Destroy (aout, "mute");
}
/**
{
aout_assert_locked (aout);
aout->pf_volume_set = setter;
+ var_Create (aout, "volume", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT);
+ var_Create (aout, "mute", VLC_VAR_BOOL|VLC_VAR_DOINHERIT);
}
/**
* @param setter volume setter callback
* @param volume current custom volume
* @param mute current mute flag
- * @note Audio output plugins that cannot apply the volume
- * should call this function during activation.
+ *
+ * @warning The caller (i.e. the audio output plug-in) is responsible for
+ * interlocking and synchronizing call to this function and to the
+ * audio_output_t.pf_volume_set callback. This ensures that VLC gets correct
+ * volume information (possibly with a latency).
*/
void aout_VolumeHardSet (audio_output_t *aout, float volume, bool mute)
{
-#warning FIXME
- /* REVISIT: This is tricky. We cannot acquire the volume lock as this gets
- * called from the audio output (it would cause a lock inversion).
- * We also should not override the input manager volume, but only the
- * volume of the current audio output... FIXME */
- msg_Err (aout, "%s(%f, %u)", __func__, volume, (unsigned)mute);
+ audio_volume_t vol = lroundf (volume * (float)AOUT_VOLUME_DEFAULT);
+
+ /* We cannot acquire the volume lock as this gets called from the audio
+ * output plug-in (it would cause a lock inversion). */
+ var_SetInteger (aout, "volume", vol);
+ var_SetBool (aout, "mute", mute);
+ var_TriggerCallback (aout, "intf-change");
}