path: root/hdmi_audio_hw.h (plain)
blob: adb9c241b8ea6fe1c4e52d2a1b7315b1107f97ec

1	#ifndef _HDMI_AUDIO_HW_H_
2	#define _HDMI_AUDIO_HW_H_
3
4
5	// add compute hdmi in volume function, volume index between 0 and 15 ,this reference AudioPolicyManagerBase
6
7	enum
8	{ VOLMIN = 0, VOLKNEE1 = 1, VOLKNEE2 = 2, VOLMAX = 3, VOLCNT = 4 };
9
10	struct VolumeCurvePoint {
11	int mIndex;
12	float mDBAttenuation;
13	};
14
15	static struct VolumeCurvePoint sSpeakerMediaVolumeCurve[VOLCNT] = {
16	{1, -56.0f}, {20, -34.0f}, {60, -11.0f}, {100, 0.0f}
17	};
18
19	// stream descriptor used for volume control
20	struct StreamDescriptor {
21	int mIndexMin; // min volume index
22	int mIndexMax; // max volume index
23	int mIndexCur[15]; // current volume index
24	struct VolumeCurvePoint *mVolumeCurve;
25	};
26	enum {
27	TYPE_PCM = 0,
28	TYPE_AC3 = 2,
29	TYPE_DTS = 3,
30	TYPE_EAC3 = 4,
31	TYPE_DTS_HD = 5 ,
32	TYPE_MULTI_PCM = 6,
33	TYPE_TRUE_HD = 7,
34	TYPE_DTS_HD_MA = 8,//should not used after we unify DTS-HD&DTS-HD MA
35	TYPE_PCM_HIGH_SR = 9,
36	};
37	#define HDMI_ARC_MAX_FORMAT 20
38	struct aml_audio_device {
39	struct audio_hw_device hw_device;
40	pthread_mutex_t lock; /* see note below on mutex acquisition order */
41	int mode;
42	audio_devices_t in_device;
43	audio_devices_t out_device;
44	int in_call;
45	struct aml_stream_in *active_input;
46	struct aml_stream_out *active_output;
47	bool mic_mute;
48	struct echo_reference_itfe *echo_reference;
49	bool hw_sync_mode;
50	audio_hwsync_t hwsync;
51	unsigned hdmi_arc_ad[HDMI_ARC_MAX_FORMAT];
52	};
53
54	struct aml_stream_out {
55	struct audio_stream_out stream;
56	pthread_mutex_t lock; /* see note below on mutex acquisition order */
57	struct pcm_config config;
58	struct pcm *pcm;
59	char *buffer;
60	int standby;
61	struct aml_audio_device *dev;
62	int write_threshold;
63	unsigned multich;
64	int codec_type;
65	int last_codec_type;
66	int format;
67	uint64_t frame_write_sum;
68	uint64_t frame_skip_sum;
69	audio_output_flags_t flags;
70	audio_devices_t out_device;
71	uint64_t spdif_enc_init_frame_write_sum;
72	uint64_t last_frames_postion;
73	uint64_t bytes_write_total;
74	unsigned char pause_status;
75	int skip_frame;
76	};
77
78	struct aml_stream_in {
79	struct audio_stream_in stream;
80	pthread_mutex_t lock; /* see note below on mutex acquisition order */
81	struct pcm_config config;
82	struct pcm *pcm;
83	int device;
84	int16_t *buffer;
85	size_t frames_in;
86	int standby;
87	int source;
88	bool need_echo_reference;
89	int requested_rate;
90	struct aml_audio_device *dev;
91	};
92	#endif
93