blob: 406f8590e68a3af2867aaa1d5b1e52a86a30c844
1 | #define LOG_TAG "android_out" |
2 | |
3 | #include <stdio.h> |
4 | #include <string.h> |
5 | #include <stdlib.h> |
6 | #include <pthread.h> |
7 | #include <fcntl.h> |
8 | #include <errno.h> |
9 | #include <strings.h> |
10 | #include <sys/ioctl.h> |
11 | #include <cutils/log.h> |
12 | #include <cutils/properties.h> |
13 | #include <media/AudioTrack.h> |
14 | |
15 | #include "audio_usb_check.h" |
16 | #include "android_out.h" |
17 | #include "aml_audio.h" |
18 | #include "DDP_media_source.h" |
19 | |
20 | using namespace android; |
21 | |
22 | static AudioTrack *glpTracker = NULL; |
23 | static AudioTrack *glpTracker_raw = NULL; |
24 | |
25 | static sp<AudioTrack> gmpAudioTracker; |
26 | static sp<AudioTrack> gmpAudioTracker_raw; |
27 | |
28 | extern struct circle_buffer android_out_buffer; |
29 | extern struct circle_buffer DDP_out_buffer; |
30 | extern struct circle_buffer DD_out_buffer; |
31 | extern int output_record_enable; |
32 | extern int spdif_audio_type; |
33 | |
34 | int I2S_state = 0; |
35 | static int raw_start_flag = 0; |
36 | static int mute_raw_data_size = 0; |
37 | static audio_format_t last_aformat = AUDIO_FORMAT_AC3; |
38 | //static int last_raw_flag = 0; |
39 | static int RawAudioTrackRelease(void); |
40 | static int RawAudioTrackInit(audio_format_t aformat,int sr); |
41 | static int amsysfs_set_sysfs_int(const char *path, int val) { |
42 | int fd; |
43 | int bytes; |
44 | char bcmd[16]; |
45 | fd = open(path, O_CREAT | O_RDWR | O_TRUNC, 0644); |
46 | if (fd >= 0) { |
47 | sprintf(bcmd, "%d", val); |
48 | bytes = write(fd, bcmd, strlen(bcmd)); |
49 | close(fd); |
50 | return 0; |
51 | } else { |
52 | ALOGE("unable to open file %s,err: %s", path, strerror(errno)); |
53 | } |
54 | return -1; |
55 | } |
56 | |
57 | int amsysfs_get_sysfs_int(const char *path) { |
58 | int fd; |
59 | int val = 0; |
60 | char bcmd[16]; |
61 | fd = open(path, O_RDONLY); |
62 | if (fd >= 0) { |
63 | read(fd, bcmd, sizeof(bcmd)); |
64 | val = strtol(bcmd, NULL, 10); |
65 | close(fd); |
66 | }else { |
67 | ALOGE("unable to open file %s,err: %s", path, strerror(errno)); |
68 | } |
69 | return val; |
70 | } |
71 | static void RawAudioTrackCallback(int event, void* user, void *info) { |
72 | AudioTrack::Buffer *buffer = static_cast<AudioTrack::Buffer *>(info); |
73 | int bytes_raw = 0; |
74 | if (event != AudioTrack::EVENT_MORE_DATA) { |
75 | ALOGD("%s, audio track envent = %d!\n", __FUNCTION__, event); |
76 | return; |
77 | } |
78 | if (buffer == NULL || buffer->size == 0) { |
79 | return; |
80 | } |
81 | bytes_raw = buffer_read(&DD_out_buffer,(char *) buffer->raw, |
82 | buffer->size); |
83 | //ALOGI("raw read got %d\n",bytes_raw); |
84 | if ( bytes_raw > 0) { |
85 | buffer->size = bytes_raw; |
86 | } |
87 | else |
88 | buffer->size = 0; |
89 | if (buffer->size > 0 && mute_raw_data_size < 32*1024) { |
90 | memset((char *)(buffer->i16),0,buffer->size); |
91 | mute_raw_data_size += buffer->size; |
92 | } |
93 | return; |
94 | } |
95 | static void AudioTrackCallback(int event, void* user, void *info) { |
96 | AudioTrack::Buffer *buffer = static_cast<AudioTrack::Buffer *>(info); |
97 | |
98 | if (event != AudioTrack::EVENT_MORE_DATA) { |
99 | ALOGD("%s, audio track envent = %d!\n", __FUNCTION__, event); |
100 | return; |
101 | } |
102 | if (buffer == NULL || buffer->size == 0) { |
103 | return; |
104 | } |
105 | int bytes = 0; |
106 | |
107 | // code for raw data start |
108 | audio_format_t aformat = AUDIO_FORMAT_INVALID; |
109 | int user_raw_enable = amsysfs_get_sysfs_int("/sys/class/audiodsp/digital_raw"); |
110 | //ALOGI("afmat %x,spdif_audio_type %x\n",aformat,spdif_audio_type); |
111 | int ddp_passth = (user_raw_enable == 2)&&(spdif_audio_type == EAC3); |
112 | if (user_raw_enable) { |
113 | if (ddp_passth) { |
114 | aformat = AUDIO_FORMAT_E_AC3; |
115 | } |
116 | else if (spdif_audio_type == AC3 || spdif_audio_type == EAC3 ) { |
117 | aformat = AUDIO_FORMAT_AC3; |
118 | } |
119 | else if (spdif_audio_type == DTS) { |
120 | aformat = AUDIO_FORMAT_DTS; |
121 | } |
122 | if (aformat != last_aformat && aformat != AUDIO_FORMAT_INVALID) { |
123 | ALOGI("raw aformat changed from %x to %x\n",last_aformat,aformat); |
124 | RawAudioTrackRelease(); |
125 | if (RawAudioTrackInit(aformat,48000/*TODO*/)) { |
126 | ALOGE("RawAudioTrackInit failed\n"); |
127 | return; |
128 | } |
129 | } |
130 | } |
131 | // raw data end |
132 | if (GetOutputdevice() == MODEANDROID) { // output PCM output when PCM data in |
133 | //raw data start |
134 | RawAudioTrackRelease(); |
135 | // raw data end |
136 | bytes = buffer_read(&android_out_buffer, (char *) buffer->raw, |
137 | buffer->size); |
138 | if (bytes < 0) |
139 | buffer->size = 0; |
140 | } else if (GetOutputdevice() == MODERAW) { |
141 | //raw data start |
142 | if (user_raw_enable == 0) { |
143 | RawAudioTrackRelease(); |
144 | } |
145 | // raw date end |
146 | bytes = buffer_read(&DDP_out_buffer, (char *) buffer->raw, |
147 | buffer->size); |
148 | if (bytes < 0) |
149 | buffer->size = 0; |
150 | } else { |
151 | if (output_record_enable == 1) { |
152 | bytes = buffer_read(&android_out_buffer, (char *) buffer->raw, |
153 | buffer->size); |
154 | if (bytes < 0) |
155 | buffer->size = 0; |
156 | } else { |
157 | memset(buffer->i16, 0, buffer->size); |
158 | } |
159 | } |
160 | |
161 | I2S_state += 1; |
162 | return; |
163 | } |
164 | static int RawAudioTrackRelease(void) { |
165 | //raw here |
166 | if (glpTracker_raw != NULL ) { |
167 | if (raw_start_flag == 1) |
168 | glpTracker_raw->stop(); |
169 | raw_start_flag = 0; |
170 | glpTracker_raw = NULL; |
171 | } |
172 | if (gmpAudioTracker_raw != NULL ) { |
173 | gmpAudioTracker_raw.clear(); |
174 | gmpAudioTracker_raw = NULL; |
175 | ALOGI("RawAudioTrackRelease done\n"); |
176 | } |
177 | |
178 | // raw end |
179 | #if 0 |
180 | if (last_raw_flag == 2) { |
181 | ALOGI("change back digital raw to 2 for hdmi pass through\n"); |
182 | amsysfs_set_sysfs_int("/sys/class/audiodsp/digital_raw",2); |
183 | last_raw_flag = 0; |
184 | } |
185 | #endif |
186 | last_aformat = AUDIO_FORMAT_INVALID; |
187 | return 0; |
188 | } |
189 | static int AudioTrackRelease(void) { |
190 | if (glpTracker != NULL ) { |
191 | glpTracker->stop(); |
192 | glpTracker = NULL; |
193 | } |
194 | |
195 | if (gmpAudioTracker != NULL ) { |
196 | gmpAudioTracker.clear(); |
197 | gmpAudioTracker = NULL; |
198 | } |
199 | |
200 | return 0; |
201 | } |
202 | static int RawAudioTrackInit(audio_format_t aformat,int sr) |
203 | { |
204 | status_t Status; |
205 | int user_raw_enable = amsysfs_get_sysfs_int("/sys/class/audiodsp/digital_raw"); |
206 | int ddp_passth = (user_raw_enable == 2)&&(spdif_audio_type == EAC3); |
207 | int ret; |
208 | |
209 | ALOGD("%s, entering...,aformat %x,sr %d\n", __FUNCTION__,aformat,sr); |
210 | //raw here |
211 | if (gmpAudioTracker_raw != NULL) { |
212 | glpTracker_raw = gmpAudioTracker_raw.get(); |
213 | } else { |
214 | gmpAudioTracker_raw = new AudioTrack(); |
215 | if (gmpAudioTracker_raw == NULL) { |
216 | ALOGE("%s, new gmpAudioTracker_raw failed.\n", __FUNCTION__); |
217 | return -1; |
218 | } |
219 | glpTracker_raw = gmpAudioTracker_raw.get(); |
220 | } |
221 | |
222 | Status = glpTracker_raw->set(AUDIO_STREAM_MUSIC, sr, aformat, |
223 | AUDIO_CHANNEL_OUT_STEREO, 0, |
224 | (audio_output_flags_t)(AUDIO_OUTPUT_FLAG_DIRECT |
225 | | AUDIO_OUTPUT_FLAG_IEC958_NONAUDIO), |
226 | RawAudioTrackCallback, NULL, |
227 | 0, 0, false, (audio_session_t)0); |
228 | if (Status != NO_ERROR) { |
229 | ALOGE("%s, AudioTrack raw set failed.\n", __FUNCTION__); |
230 | if (gmpAudioTracker_raw != NULL ) { |
231 | gmpAudioTracker_raw.clear(); |
232 | glpTracker_raw = NULL; |
233 | } |
234 | return -1; |
235 | } |
236 | Status = glpTracker_raw->initCheck(); |
237 | if (Status != NO_ERROR) { |
238 | ALOGE("%s, AudioTrack raw initCheck failed.\n", __FUNCTION__); |
239 | RawAudioTrackRelease(); |
240 | return -1; |
241 | } |
242 | //raw end |
243 | #if 0 |
244 | int digital_raw = amsysfs_get_sysfs_int("/sys/class/audiodsp/digital_raw"); |
245 | if (digital_raw == 2) { |
246 | ALOGI("change digital raw to 2 for spdif pass through\n"); |
247 | amsysfs_set_sysfs_int("/sys/class/audiodsp/digital_raw",1); |
248 | last_raw_flag = 2; |
249 | } |
250 | #endif |
251 | glpTracker_raw->start(); |
252 | ALOGI("RawAudioTrackInit done\n"); |
253 | last_aformat = aformat; |
254 | mute_raw_data_size = 0; |
255 | return 0; |
256 | } |
257 | static int AudioTrackInit(void) { |
258 | status_t Status; |
259 | |
260 | ALOGD("%s, entering...\n", __FUNCTION__); |
261 | |
262 | I2S_state = 0; |
263 | |
264 | if (gmpAudioTracker != NULL) { |
265 | glpTracker = gmpAudioTracker.get(); |
266 | } else { |
267 | gmpAudioTracker = new AudioTrack(); |
268 | if (gmpAudioTracker == NULL) { |
269 | ALOGE("%s, new AudioTrack failed.\n", __FUNCTION__); |
270 | return -1; |
271 | } |
272 | glpTracker = gmpAudioTracker.get(); |
273 | } |
274 | |
275 | Status = glpTracker->set(AUDIO_STREAM_MUSIC, 48000, AUDIO_FORMAT_PCM_16_BIT, |
276 | AUDIO_CHANNEL_OUT_STEREO, 0, AUDIO_OUTPUT_FLAG_NONE, |
277 | AudioTrackCallback, NULL, 0, 0, false, (audio_session_t)0); |
278 | |
279 | if (Status != NO_ERROR) { |
280 | ALOGE("%s, AudioTrack set failed.\n", __FUNCTION__); |
281 | if (gmpAudioTracker != NULL ) { |
282 | gmpAudioTracker.clear(); |
283 | glpTracker = NULL; |
284 | } |
285 | return -1; |
286 | } |
287 | |
288 | Status = glpTracker->initCheck(); |
289 | if (Status != NO_ERROR) { |
290 | ALOGE("%s, AudioTrack initCheck failed.\n", __FUNCTION__); |
291 | AudioTrackRelease(); |
292 | return -1; |
293 | } |
294 | |
295 | glpTracker->start(); |
296 | |
297 | Status = glpTracker->setVolume(1.0, 1.0); |
298 | if (Status != NO_ERROR) { |
299 | ALOGE("%s, AudioTrack setVolume failed.\n", __FUNCTION__); |
300 | AudioTrackRelease(); |
301 | return -1; |
302 | } |
303 | ALOGD("%s, exit...\n", __FUNCTION__); |
304 | return 0;//RawAudioTrackInit(AUDIO_FORMAT_AC3,48000); |
305 | } |
306 | |
307 | int new_android_audiotrack(void) { |
308 | return AudioTrackInit(); |
309 | } |
310 | |
311 | int release_android_audiotrack(void) { |
312 | amsysfs_set_sysfs_int("/sys/class/audiodsp/digital_codec",0); |
313 | return AudioTrackRelease(); |
314 | } |
315 | |
316 | int release_raw_audio_track(void) { |
317 | amsysfs_set_sysfs_int("/sys/class/audiodsp/digital_codec", 0); |
318 | return RawAudioTrackRelease(); |
319 | } |
320 |