path: root/audio_hw.h (plain)
blob: 47770268f089d84ddc97dcf4afb207c1ad7ce905

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
14	/* number of frames per period */
15	/*
16	* change DEFAULT_PERIOD_SIZE from 1024 to 512 for passing CTS
17	* test case test4_1MeasurePeakRms(android.media.cts.VisualizerTest)
18	*/
19	#define DEFAULT_PERIOD_SIZE 512 //1024 //(1024 * 2)
20	static unsigned PERIOD_SIZE = DEFAULT_PERIOD_SIZE;
21	/* number of periods for low power playback */
22	#define PLAYBACK_PERIOD_COUNT 4
23	/* number of periods for capture */
24	#define CAPTURE_PERIOD_COUNT 4
25
26	/* minimum sleep time in out_write() when write threshold is not reached */
27	#define MIN_WRITE_SLEEP_US 5000
28
29	#define RESAMPLER_BUFFER_FRAMES (PERIOD_SIZE * 6)
30	#define RESAMPLER_BUFFER_SIZE (4 * RESAMPLER_BUFFER_FRAMES)
31
32	static unsigned int DEFAULT_OUT_SAMPLING_RATE = 48000;
33
34	/* sampling rate when using MM low power port */
35	#define MM_LOW_POWER_SAMPLING_RATE 44100
36	/* sampling rate when using MM full power port */
37	#define MM_FULL_POWER_SAMPLING_RATE 48000
38	/* sampling rate when using VX port for narrow band */
39	#define VX_NB_SAMPLING_RATE 8000
40
41	#define AUDIO_PARAMETER_STREAM_EQ "audioeffect_eq"
42	#define AUDIO_PARAMETER_STREAM_SRS "audioeffect_srs_param"
43	#define AUDIO_PARAMETER_STREAM_SRS_GAIN "audioeffect_srs_gain"
44	#define AUDIO_PARAMETER_STREAM_SRS_SWITCH "audioeffect_srs_switch"
45
46	/* Get a new HW synchronization source identifier.
47	* Return a valid source (positive integer) or AUDIO_HW_SYNC_INVALID if an error occurs
48	* or no HW sync is available. */
49	#define AUDIO_PARAMETER_HW_AV_SYNC "hw_av_sync"
50
51	#define AUDIO_PARAMETER_HW_AV_EAC3_SYNC "HwAvSyncEAC3Supported"
52
53	enum {
54	TYPE_PCM = 0,
55	TYPE_AC3 = 2,
56	TYPE_DTS = 3,
57	TYPE_EAC3 = 4,
58	TYPE_DTS_HD = 5 ,
59	TYPE_MULTI_PCM = 6,
60	TYPE_TRUE_HD = 7,
61	TYPE_DTS_HD_MA = 8,//should not used after we unify DTS-HD&DTS-HD MA
62	TYPE_PCM_HIGH_SR = 9,
63	};
64
65	#define AML_HAL_MIXER_BUF_SIZE 64*1024
66	struct aml_hal_mixer {
67	unsigned char start_buf[AML_HAL_MIXER_BUF_SIZE];
68	unsigned int wp;
69	unsigned int rp;
70	unsigned int buf_size;
71	unsigned char need_cache_flag;//flag to check if need cache some data before write to mix
72	pthread_mutex_t lock;
73	};
74
75	#define MAX_STREAM_NUM 5
76	#define HDMI_ARC_MAX_FORMAT 20
77	struct aml_audio_device {
78	struct audio_hw_device hw_device;
79
80	pthread_mutex_t lock; /* see note below on mutex acquisition order */
81	pthread_mutex_t pcm_write_lock;
82	int mode;
83	audio_devices_t in_device;
84	audio_devices_t out_device;
85	int in_call;
86	struct aml_stream_in *active_input;
87	struct aml_stream_out *active_output[MAX_STREAM_NUM];
88	unsigned char active_output_count;
89	bool mic_mute;
90	unsigned int card;
91	struct audio_route *ar;
92	struct echo_reference_itfe *echo_reference;
93	bool low_power;
94	struct aml_stream_out *hwsync_output;
95	struct aml_hal_mixer hal_mixer;
96	struct pcm *pcm;
97	bool pcm_paused;
98	unsigned hdmi_arc_ad[HDMI_ARC_MAX_FORMAT];
99	};
100
101	struct aml_stream_out {
102	struct audio_stream_out stream;
103	/* see note below on mutex acquisition order */
104	pthread_mutex_t lock;
105	/* config which set to ALSA device */
106	struct pcm_config config;
107	/* channel mask exposed to AudioFlinger. */
108	audio_channel_mask_t hal_channel_mask;
109	/* format mask exposed to AudioFlinger. */
110	audio_format_t hal_format;
111	/* samplerate exposed to AudioFlinger. */
112	unsigned int hal_rate;
113	audio_output_flags_t flags;
114	audio_devices_t out_device;
115	struct pcm *pcm;
116	struct resampler_itfe *resampler;
117	char *buffer;
118	size_t buffer_frames;
119	bool standby;
120	struct echo_reference_itfe *echo_reference;
121	struct aml_audio_device *dev;
122	int write_threshold;
123	bool low_power;
124	unsigned multich;
125	int codec_type;
126	uint64_t frame_write_sum;
127	uint64_t frame_skip_sum;
128	uint64_t last_frames_postion;
129	uint64_t spdif_enc_init_frame_write_sum;
130	int skip_frame;
131	int32_t *tmp_buffer_8ch;
132	int is_tv_platform;
133	void *audioeffect_tmp_buffer;
134	int has_SRS_lib;
135	int has_EQ_lib;
136	unsigned char pause_status;
137	bool hw_sync_mode;
138	int has_aml_IIR_lib;
139	int has_Virtualizer;
140	float volume_l;
141	float volume_r;
142	int last_codec_type;
143	//as raw audio framesize is 1 computed by audio_stream_out_frame_size
144	//we need divide more when we got 61937 audio package
145	int raw_61937_frame_size;//61937 frame size
146	unsigned last_dsp_frame;//recorded for wraparound print info
147	audio_hwsync_t hwsync;
148	struct timespec timestamp;
149	};
150
151	#define MAX_PREPROCESSORS 3 /* maximum one AGC + one NS + one AEC per input stream */
152	struct aml_stream_in {
153	struct audio_stream_in stream;
154	pthread_mutex_t lock; /* see note below on mutex acquisition order */
155	struct pcm_config config;
156	struct pcm *pcm;
157	int device;
158	struct resampler_itfe *resampler;
159	struct resampler_buffer_provider buf_provider;
160	int16_t *buffer;
161	size_t frames_in;
162	unsigned int requested_rate;
163	bool standby;
164	int source;
165	struct echo_reference_itfe *echo_reference;
166	bool need_echo_reference;
167	effect_handle_t preprocessors[MAX_PREPROCESSORS];
168	int num_preprocessors;
169	int16_t *proc_buf;
170	size_t proc_buf_size;
171	size_t proc_frames_in;
172	int16_t *ref_buf;
173	size_t ref_buf_size;
174	size_t ref_frames_in;
175	int read_status;
176	struct aml_audio_device *dev;
177	};
178	typedef int (*do_standby_func)(struct aml_stream_out *out);
179	typedef int (*do_startup_func)(struct aml_stream_out *out);
180	#endif
181