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-rw-r--r--include/uapi/linux/dvb/audio.h101
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diff --git a/include/uapi/linux/dvb/audio.h b/include/uapi/linux/dvb/audio.h
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+++ b/include/uapi/linux/dvb/audio.h
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+/* SPDX-License-Identifier: LGPL-2.1+ WITH Linux-syscall-note */
+/*
+ * audio.h - DEPRECATED MPEG-TS audio decoder API
+ *
+ * NOTE: should not be used on future drivers
+ *
+ * Copyright (C) 2000 Ralph Metzler <ralph@convergence.de>
+ * & Marcus Metzler <marcus@convergence.de>
+ * for convergence integrated media GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Lesser Public License
+ * as published by the Free Software Foundation; either version 2.1
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+#ifndef _DVBAUDIO_H_
+#define _DVBAUDIO_H_
+
+#include <linux/types.h>
+
+typedef enum {
+ AUDIO_SOURCE_DEMUX, /* Select the demux as the main source */
+ AUDIO_SOURCE_MEMORY /* Select internal memory as the main source */
+} audio_stream_source_t;
+
+
+typedef enum {
+ AUDIO_STOPPED, /* Device is stopped */
+ AUDIO_PLAYING, /* Device is currently playing */
+ AUDIO_PAUSED /* Device is paused */
+} audio_play_state_t;
+
+
+typedef enum {
+ AUDIO_STEREO,
+ AUDIO_MONO_LEFT,
+ AUDIO_MONO_RIGHT,
+ AUDIO_MONO,
+ AUDIO_STEREO_SWAPPED
+} audio_channel_select_t;
+
+
+typedef struct audio_mixer {
+ unsigned int volume_left;
+ unsigned int volume_right;
+ /* what else do we need? bass, pass-through, ... */
+} audio_mixer_t;
+
+
+typedef struct audio_status {
+ int AV_sync_state; /* sync audio and video? */
+ int mute_state; /* audio is muted */
+ audio_play_state_t play_state; /* current playback state */
+ audio_stream_source_t stream_source; /* current stream source */
+ audio_channel_select_t channel_select; /* currently selected channel */
+ int bypass_mode; /* pass on audio data to */
+ audio_mixer_t mixer_state; /* current mixer state */
+} audio_status_t; /* separate decoder hardware */
+
+
+/* for GET_CAPABILITIES and SET_FORMAT, the latter should only set one bit */
+#define AUDIO_CAP_DTS 1
+#define AUDIO_CAP_LPCM 2
+#define AUDIO_CAP_MP1 4
+#define AUDIO_CAP_MP2 8
+#define AUDIO_CAP_MP3 16
+#define AUDIO_CAP_AAC 32
+#define AUDIO_CAP_OGG 64
+#define AUDIO_CAP_SDDS 128
+#define AUDIO_CAP_AC3 256
+
+#define AUDIO_STOP _IO('o', 1)
+#define AUDIO_PLAY _IO('o', 2)
+#define AUDIO_PAUSE _IO('o', 3)
+#define AUDIO_CONTINUE _IO('o', 4)
+#define AUDIO_SELECT_SOURCE _IO('o', 5)
+#define AUDIO_SET_MUTE _IO('o', 6)
+#define AUDIO_SET_AV_SYNC _IO('o', 7)
+#define AUDIO_SET_BYPASS_MODE _IO('o', 8)
+#define AUDIO_CHANNEL_SELECT _IO('o', 9)
+#define AUDIO_GET_STATUS _IOR('o', 10, audio_status_t)
+
+#define AUDIO_GET_CAPABILITIES _IOR('o', 11, unsigned int)
+#define AUDIO_CLEAR_BUFFER _IO('o', 12)
+#define AUDIO_SET_ID _IO('o', 13)
+#define AUDIO_SET_MIXER _IOW('o', 14, audio_mixer_t)
+#define AUDIO_SET_STREAMTYPE _IO('o', 15)
+#define AUDIO_BILINGUAL_CHANNEL_SELECT _IO('o', 20)
+
+#endif /* _DVBAUDIO_H_ */