Cross Reference: /src/tests/dev/audio/audiotest.c

Lines Matching defs:gain
1540 		/* gain */
1558 		/* gain */
1628 		/* gain */
1646 		/* gain */
5503  * Check whether gain can be obtained/set.
5504  * And the gain should work with rich mixer.
5514 	int gain;
5551 	/* Check ai.play.gain */
5554 	XP_EQ(master, ai.play.gain);
5559 		gain = 255;
5561 		gain = 0;
5562 	ai.play.gain = gain;
5563 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "play.gain=%d", ai.play.gain);
5566 	/* Check gain has changed */
5567 	r = IOCTL(fd, AUDIO_GETINFO, &ai, "play.gain");
5569 	XP_NE(master, ai.play.gain);
5571 	/* Check whether outputs.master work with gain */
5574 	XP_EQ(ai.play.gain, m.un.value.level[0]);
5578 	ai.play.gain = master_backup;
5579 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "play.gain=%d", ai.play.gain);
5589  * Look if there are any (non-zero) gain values that can be changed.
5590  * If any gain can be set, it is set to gain[0].
5591  * If another gain can be set, it is set to gain[1], otherwise gain[1] = -1.
5595 get_changeable_gain(int fd, int *gain, const char *dir, int offset)
5603 	/* A hack to handle ai.{play,record}.gain in the same code.. */
5606 	/* Try to set the maximum gain */
5609 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "%s.gain=%d", dir, *ai_gain);
5621 		r = IOCTL(fd, AUDIO_SETINFO, &ai, "%s.gain=%d", dir, *ai_gain);
5632 	/* Now gain is lo(=gain[0]). */
5642 		gain[0] = -1;
5643 		gain[1] = -1;
5644 		DPRINTF("  > %s.gain cannot be set\n", dir);
5646 		gain[0] = hi;
5647 		gain[1] = -1;
5648 		DPRINTF("  > %s.gain can only be set %d\n", dir, gain[0]);
5650 		gain[0] = lo;
5651 		gain[1] = hi;
5652 		DPRINTF("  > %s.gain can be set %d, %d\n",
5653 		    dir, gain[0], gain[1]);
5713  * Check whether gain and balance can be set at the same time.
5737 	/* Backup current gain and balance */
5742 		printf("  > old play.gain      = %d\n", oai.play.gain);
5744 		printf("  > old record.gain    = %d\n", oai.record.gain);
5758 	 * The simplest two different gain values are zero and non-zero.
5760 	 * when the gain is high enough and when the gain is zero or near.
5766 		    offsetof(struct audio_info, play.gain));
5772 		    offsetof(struct audio_info, record.gain));
5791 		    "The test requires changeable gain and changeable balance");
5795 		ai.play.gain      = oai.play.gain;
5797 		ai.record.gain    = oai.record.gain;
5808 	 * If both play.gain and play.balance are changeable,
5813 		ai.play.gain    = pgain[1];
5815 		r = IOCTL(fd, AUDIO_SETINFO, &ai, "play.gain=%d/balance=%d",
5816 		    ai.play.gain, ai.play.balance);
5823 		DPRINTF("  > setting play.gain=%d/balance=%d: "
5824 		    "result gain=%d/balance=%d\n",
5825 		    pgain[1], pbalance[1], ai.play.gain, ai.play.balance);
5826 		XP_EQ(ai.play.gain,    pgain[1]);
5830 	 * If both record.gain and record.balance are changeable,
5835 		ai.record.gain    = rgain[1];
5837 		r = IOCTL(fd, AUDIO_SETINFO, &ai, "record.gain=%d/balance=%d",
5838 		    ai.record.gain, ai.record.balance);
5845 		DPRINTF("  > setting record.gain=%d/balance=%d: "
5846 		    "result gain=%d/balance=%d\n",
5847 		    rgain[1], rbalance[1], ai.record.gain, ai.record.balance);
5848 		XP_EQ(ai.record.gain,    rgain[1]);
5857 	ai.play.gain      = oai.play.gain;
5859 	ai.record.gain    = oai.record.gain;
5867 	XP_EQ(oai.play.gain,      ai.play.gain);
5869 	XP_EQ(oai.record.gain,    ai.record.gain);
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