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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 <[email protected]>
- * & Marcus Metzler <[email protected]>
- * 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_ */
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