path: root/amadec/audiodsp_update_format.c (plain)
blob: abb0e9be1e78efe4a9844556f98154cae32faf9d

1	/**
2	* \file audiodsp-ctl.c
3	* \brief Functions of Auduodsp control
4	* \version 1.0.0
5	* \date 2011-03-08
6	*/
7	/* Copyright (C) 2007-2011, Amlogic Inc.
8	* All right reserved
9	*
10	*/
11	#include <stdio.h>
12	#include <stdlib.h>
13	#include <fcntl.h>
14	#include <string.h>
15	#include <syslog.h>
16	#include <unistd.h>
17	#include <errno.h>
18	#include <sys/ioctl.h>
19	#include <sys/mman.h>
20
21	#include <audio-dec.h>
22	#include <audiodsp.h>
23	#include <log-print.h>
24	#include <cutils/properties.h>
25
26	#include "adec-external-ctrl.h"
27	#include "Amsysfsutils.h"
28	#include "amconfigutils.h"
29
30	static int reset_track_enable = 0;
31	void adec_reset_track_enable(int enable_flag)
32	{
33	reset_track_enable = enable_flag;
34	adec_print("reset_track_enable=%d\n", reset_track_enable);
35	}
36
37	static int get_sysfs_int(const char *path)
38	{
39	return amsysfs_get_sysfs_int(path);
40	}
41
42	static int set_sysfs_int(const char *path, int val)
43	{
44	return amsysfs_set_sysfs_int(path, val);
45	}
46
47	static int audiodsp_get_format_changed_flag()
48	{
49	return get_sysfs_int("/sys/class/audiodsp/format_change_flag");
50
51	}
52
53	void audiodsp_set_format_changed_flag(int val)
54	{
55	set_sysfs_int("/sys/class/audiodsp/format_change_flag", val);
56
57	}
58
59	static int audiodsp_get_pcm_resample_enable()
60	{
61	int utils_fd, ret;
62	unsigned long value;
63
64	utils_fd = open("/dev/amaudio_utils", O_RDWR);
65	if (utils_fd >= 0) {
66	ret = ioctl(utils_fd, AMAUDIO_IOC_GET_RESAMPLE_ENA, &value);
67	if (ret < 0) {
68	adec_print("AMAUDIO_IOC_GET_RESAMPLE_ENA failed\n");
69	close(utils_fd);
70	return -1;
71	}
72	close(utils_fd);
73	return value;
74	}
75	return -1;
76	}
77
78	static int audiodsp_set_pcm_resample_enable(unsigned long enable)
79	{
80	int utils_fd, ret;
81
82	utils_fd = open("/dev/amaudio_utils", O_RDWR);
83	if (utils_fd >= 0) {
84	ret = ioctl(utils_fd, AMAUDIO_IOC_SET_RESAMPLE_ENA, enable);
85	if (ret < 0) {
86	adec_print("AMAUDIO_IOC_SET_RESAMPLE_ENA failed\n");
87	close(utils_fd);
88	return -1;
89	}
90	close(utils_fd);
91	return 0;
92	}
93	return -1;
94	}
95
96	void adec_reset_track(aml_audio_dec_t *audec)
97	{
98	if (audec->format_changed_flag && audec->state >= INITTED && !audec->need_stop) {
99	buffer_stream_t *g_bst = audec->g_bst;
100	adec_print("reset audio_track: samplerate=%d channels=%d\n", (g_bst == NULL) ? audec->samplerate : g_bst->samplerate, (g_bst == NULL) ? audec->channels : g_bst->channels);
101	audio_out_operations_t *out_ops = &audec->aout_ops;
102	out_ops->mute(audec, 1);
103	out_ops->pause(audec);
104	out_ops->stop(audec);
105	if (g_bst != NULL) {
106	//4.4 code maybe run on 4.2 hardware platform: g_bst==NULL on 4.2,so add this condition
107	audec->channels = g_bst->channels;
108	audec->samplerate = g_bst->samplerate;
109	}
110	out_ops->init(audec);
111	if (audec->state == ACTIVE) {
112	out_ops->start(audec);
113	}
114	audec->format_changed_flag = 0;
115	}
116	}
117
118	int audiodsp_format_update(aml_audio_dec_t *audec)
119	{
120	int m_fmt;
121	int ret = -1;
122	unsigned long val;
123	dsp_operations_t *dsp_ops = &audec->adsp_ops;
124
125	if (dsp_ops->dsp_file_fd < 0 || get_audio_decoder() != AUDIO_ARC_DECODER) {
126	return ret;
127	}
128
129	ret = 0;
130	if (1/*audiodsp_get_format_changed_flag()*/) {
131	ioctl(dsp_ops->dsp_file_fd, AUDIODSP_GET_CHANNELS_NUM, &val);
132	if (val != (unsigned long) - 1) {
133	if (audec->channels != val) {
134	//adec_print("dsp_format_update: pre_channels=%d cur_channels=%d\n", audec->channels,val);
135	audec->channels = val;
136	ret = 1;
137	}
138	}
139
140	ioctl(dsp_ops->dsp_file_fd, AUDIODSP_GET_SAMPLERATE, &val);
141	if (val != (unsigned long) - 1) {
142	if (audec->samplerate != val) {
143	//adec_print("dsp_format_update: pre_samplerate=%d cur_samplerate=%d\n", audec->samplerate,val);
144	audec->samplerate = val;
145	ret = 2;
146	}
147	}
148	#if 1
149	ioctl(dsp_ops->dsp_file_fd, AUDIODSP_GET_BITS_PER_SAMPLE, &val);
150	if (val != (unsigned long) - 1) {
151	if (audec->data_width != val) {
152	//adec_print("dsp_format_update: pre_data_width=%d cur_data_width=%d\n", audec->data_width,val);
153	audec->data_width = val;
154	ret = 3;
155	}
156	}
157	#endif
158	//audiodsp_set_format_changed_flag(0);
159
160	if (am_getconfig_bool("media.libplayer.wfd")) {
161	ret = ioctl(dsp_ops->dsp_file_fd, AUDIODSP_GET_PCM_LEVEL, &val);
162	if (ret == 0) {
163	//adec_print("pcm level == 0x%x\n", val);
164	if ((val < 0x1000) && (1 == audiodsp_get_pcm_resample_enable())) {
165	// adec_print("disable pcm down resample");
166	// audiodsp_set_pcm_resample_enable(0);
167	}
168	}
169	}
170	}
171	if (ret > 0) {
172	audec->format_changed_flag = ret;
173	adec_print("dsp_format_update: audec->format_changed_flag = %d \n", audec->format_changed_flag);
174	}
175	return ret;
176	}
177
178
179
180	int audiodsp_get_pcm_left_len()
181	{
182	return get_sysfs_int("/sys/class/audiodsp/pcm_left_len");
183
184	}
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