path: root/audio_hw.h (plain)
blob: ba95ebc6517375b27267a6cedc2ac33d724052b0

1	#ifndef _AUDIO_HW_H_
2
3	#include <audio_utils/resampler.h>
4	#include "audio_hwsync.h"
5
6	#define _AUDIO_HW_H_
7	#define _AUDIO_HW_H_
8	/* ALSA cards for AML */
9	#define CARD_AMLOGIC_BOARD 0
10	#define CARD_AMLOGIC_DEFAULT CARD_AMLOGIC_BOARD
11	/* ALSA ports for AML */
12	#define PORT_MM 1
13	/* number of frames per period */
14	#define DEFAULT_PERIOD_SIZE 1024 //(1024 * 2)
15	static unsigned PERIOD_SIZE = DEFAULT_PERIOD_SIZE;
16	/* number of periods for low power playback */
17	#define PLAYBACK_PERIOD_COUNT 4
18	/* number of periods for capture */
19	#define CAPTURE_PERIOD_COUNT 4
20
21	/* minimum sleep time in out_write() when write threshold is not reached */
22	#define MIN_WRITE_SLEEP_US 5000
23
24	#define RESAMPLER_BUFFER_FRAMES (PERIOD_SIZE * 6)
25	#define RESAMPLER_BUFFER_SIZE (4 * RESAMPLER_BUFFER_FRAMES)
26
27	static unsigned int DEFAULT_OUT_SAMPLING_RATE = 48000;
28
29	/* sampling rate when using MM low power port */
30	#define MM_LOW_POWER_SAMPLING_RATE 44100
31	/* sampling rate when using MM full power port */
32	#define MM_FULL_POWER_SAMPLING_RATE 48000
33	/* sampling rate when using VX port for narrow band */
34	#define VX_NB_SAMPLING_RATE 8000
35
36	#define AUDIO_PARAMETER_STREAM_EQ "audioeffect_eq"
37	#define AUDIO_PARAMETER_STREAM_SRS "audioeffect_srs_param"
38	#define AUDIO_PARAMETER_STREAM_SRS_GAIN "audioeffect_srs_gain"
39	#define AUDIO_PARAMETER_STREAM_SRS_SWITCH "audioeffect_srs_switch"
40
41	/* Get a new HW synchronization source identifier.
42	* Return a valid source (positive integer) or AUDIO_HW_SYNC_INVALID if an error occurs
43	* or no HW sync is available. */
44	#define AUDIO_PARAMETER_HW_AV_SYNC "hw_av_sync"
45
46	#define AUDIO_PARAMETER_HW_AV_EAC3_SYNC "HwAvSyncEAC3Supported"
47
48	enum {
49	TYPE_PCM = 0,
50	TYPE_AC3 = 2,
51	TYPE_DTS = 3,
52	TYPE_EAC3 = 4,
53	TYPE_DTS_HD = 5 ,
54	TYPE_MULTI_PCM = 6,
55	TYPE_TRUE_HD = 7,
56	TYPE_DTS_HD_MA = 8,//should not used after we unify DTS-HD&DTS-HD MA
57	TYPE_PCM_HIGH_SR = 9,
58	};
59
60	#define AML_HAL_MIXER_BUF_SIZE 64*1024
61	struct aml_hal_mixer {
62	unsigned char start_buf[AML_HAL_MIXER_BUF_SIZE];
63	unsigned int wp;
64	unsigned int rp;
65	unsigned int buf_size;
66	unsigned char need_cache_flag;//flag to check if need cache some data before write to mix
67	pthread_mutex_t lock;
68	};
69
70	#define MAX_STREAM_NUM 5
71	#define HDMI_ARC_MAX_FORMAT 20
72	struct aml_audio_device {
73	struct audio_hw_device hw_device;
74
75	pthread_mutex_t lock; /* see note below on mutex acquisition order */
76	pthread_mutex_t pcm_write_lock;
77	int mode;
78	audio_devices_t in_device;
79	audio_devices_t out_device;
80	int in_call;
81	struct aml_stream_in *active_input;
82	struct aml_stream_out *active_output[MAX_STREAM_NUM];
83	unsigned char active_output_count;
84	bool mic_mute;
85	unsigned int card;
86	struct audio_route *ar;
87	struct echo_reference_itfe *echo_reference;
88	bool low_power;
89	struct aml_stream_out *hwsync_output;
90	struct aml_hal_mixer hal_mixer;
91	struct pcm *pcm;
92	bool pcm_paused;
93	unsigned hdmi_arc_ad[HDMI_ARC_MAX_FORMAT];
94	};
95
96	struct aml_stream_out {
97	struct audio_stream_out stream;
98	/* see note below on mutex acquisition order */
99	pthread_mutex_t lock;
100	/* config which set to ALSA device */
101	struct pcm_config config;
102	/* channel mask exposed to AudioFlinger. */
103	audio_channel_mask_t hal_channel_mask;
104	/* format mask exposed to AudioFlinger. */
105	audio_format_t hal_format;
106	/* samplerate exposed to AudioFlinger. */
107	unsigned int hal_rate;
108	audio_output_flags_t flags;
109	audio_devices_t out_device;
110	struct pcm *pcm;
111	struct resampler_itfe *resampler;
112	char *buffer;
113	size_t buffer_frames;
114	bool standby;
115	struct echo_reference_itfe *echo_reference;
116	struct aml_audio_device *dev;
117	int write_threshold;
118	bool low_power;
119	unsigned multich;
120	int codec_type;
121	uint64_t frame_write_sum;
122	uint64_t frame_skip_sum;
123	uint64_t last_frames_postion;
124	uint64_t spdif_enc_init_frame_write_sum;
125	int skip_frame;
126	int32_t *tmp_buffer_8ch;
127	int is_tv_platform;
128	void *audioeffect_tmp_buffer;
129	int has_SRS_lib;
130	int has_EQ_lib;
131	unsigned char pause_status;
132	bool hw_sync_mode;
133	int has_aml_IIR_lib;
134	int has_Virtualizer;
135	float volume_l;
136	float volume_r;
137	int last_codec_type;
138	//as raw audio framesize is 1 computed by audio_stream_out_frame_size
139	//we need divide more when we got 61937 audio package
140	int raw_61937_frame_size;//61937 frame size
141	unsigned last_dsp_frame;//recorded for wraparound print info
142	audio_hwsync_t hwsync;
143	struct timespec timestamp;
144	};
145
146	#define MAX_PREPROCESSORS 3 /* maximum one AGC + one NS + one AEC per input stream */
147	struct aml_stream_in {
148	struct audio_stream_in stream;
149	pthread_mutex_t lock; /* see note below on mutex acquisition order */
150	struct pcm_config config;
151	struct pcm *pcm;
152	int device;
153	struct resampler_itfe *resampler;
154	struct resampler_buffer_provider buf_provider;
155	int16_t *buffer;
156	size_t frames_in;
157	unsigned int requested_rate;
158	bool standby;
159	int source;
160	struct echo_reference_itfe *echo_reference;
161	bool need_echo_reference;
162	effect_handle_t preprocessors[MAX_PREPROCESSORS];
163	int num_preprocessors;
164	int16_t *proc_buf;
165	size_t proc_buf_size;
166	size_t proc_frames_in;
167	int16_t *ref_buf;
168	size_t ref_buf_size;
169	size_t ref_frames_in;
170	int read_status;
171	struct aml_audio_device *dev;
172	};
173	typedef int (*do_standby_func)(struct aml_stream_out *out);
174	typedef int (*do_startup_func)(struct aml_stream_out *out);
175	#endif
176