1 /*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 //#define LOG_NDEBUG 0
18 #define LOG_TAG "MediaProfilesJNI"
19 #include <utils/Log.h>
20
21 #include <stdio.h>
22 #include <utils/threads.h>
23
24 #include "jni.h"
25 #include "JNIHelp.h"
26 #include "android_runtime/AndroidRuntime.h"
27 #include <media/MediaProfiles.h>
28
29 using namespace android;
30
31 static Mutex sLock;
32 MediaProfiles *sProfiles = NULL;
33
34 // This function is called from a static block in MediaProfiles.java class,
35 // which won't run until the first time an instance of this class is used.
36 static void
android_media_MediaProfiles_native_init(JNIEnv * env)37 android_media_MediaProfiles_native_init(JNIEnv *env)
38 {
39 ALOGV("native_init");
40 Mutex::Autolock lock(sLock);
41
42 if (sProfiles == NULL) {
43 sProfiles = MediaProfiles::getInstance();
44 }
45 }
46
47 static jint
android_media_MediaProfiles_native_get_num_file_formats(JNIEnv * env,jobject thiz)48 android_media_MediaProfiles_native_get_num_file_formats(JNIEnv *env, jobject thiz)
49 {
50 ALOGV("native_get_num_file_formats");
51 return (jint) sProfiles->getOutputFileFormats().size();
52 }
53
54 static jint
android_media_MediaProfiles_native_get_file_format(JNIEnv * env,jobject thiz,jint index)55 android_media_MediaProfiles_native_get_file_format(JNIEnv *env, jobject thiz, jint index)
56 {
57 ALOGV("native_get_file_format: %d", index);
58 Vector<output_format> formats = sProfiles->getOutputFileFormats();
59 int nSize = formats.size();
60 if (index < 0 || index >= nSize) {
61 jniThrowException(env, "java/lang/IllegalArgumentException", "out of array boundary");
62 return -1;
63 }
64 return static_cast<jint>(formats[index]);
65 }
66
67 static jint
android_media_MediaProfiles_native_get_num_video_encoders(JNIEnv * env,jobject thiz)68 android_media_MediaProfiles_native_get_num_video_encoders(JNIEnv *env, jobject thiz)
69 {
70 ALOGV("native_get_num_video_encoders");
71 return sProfiles->getVideoEncoders().size();
72 }
73
74 static jobject
android_media_MediaProfiles_native_get_video_encoder_cap(JNIEnv * env,jobject thiz,jint index)75 android_media_MediaProfiles_native_get_video_encoder_cap(JNIEnv *env, jobject thiz, jint index)
76 {
77 ALOGV("native_get_video_encoder_cap: %d", index);
78 Vector<video_encoder> encoders = sProfiles->getVideoEncoders();
79 int nSize = encoders.size();
80 if (index < 0 || index >= nSize) {
81 jniThrowException(env, "java/lang/IllegalArgumentException", "out of array boundary");
82 return NULL;
83 }
84
85 video_encoder encoder = encoders[index];
86 int minBitRate = sProfiles->getVideoEncoderParamByName("enc.vid.bps.min", encoder);
87 int maxBitRate = sProfiles->getVideoEncoderParamByName("enc.vid.bps.max", encoder);
88 int minFrameRate = sProfiles->getVideoEncoderParamByName("enc.vid.fps.min", encoder);
89 int maxFrameRate = sProfiles->getVideoEncoderParamByName("enc.vid.fps.max", encoder);
90 int minFrameWidth = sProfiles->getVideoEncoderParamByName("enc.vid.width.min", encoder);
91 int maxFrameWidth = sProfiles->getVideoEncoderParamByName("enc.vid.width.max", encoder);
92 int minFrameHeight = sProfiles->getVideoEncoderParamByName("enc.vid.height.min", encoder);
93 int maxFrameHeight = sProfiles->getVideoEncoderParamByName("enc.vid.height.max", encoder);
94
95 // Check on the values retrieved
96 if ((minBitRate == -1 || maxBitRate == -1) ||
97 (minFrameRate == -1 || maxFrameRate == -1) ||
98 (minFrameWidth == -1 || maxFrameWidth == -1) ||
99 (minFrameHeight == -1 || maxFrameHeight == -1)) {
100
101 jniThrowException(env, "java/lang/RuntimeException", "Error retrieving video encoder capability params");
102 return NULL;
103 }
104
105 // Construct an instance of the VideoEncoderCap and set its member variables
106 jclass videoEncoderCapClazz = env->FindClass("android/media/EncoderCapabilities$VideoEncoderCap");
107 jmethodID videoEncoderCapConstructorMethodID = env->GetMethodID(videoEncoderCapClazz, "<init>", "(IIIIIIIII)V");
108 jobject cap = env->NewObject(videoEncoderCapClazz,
109 videoEncoderCapConstructorMethodID,
110 static_cast<int>(encoder),
111 minBitRate, maxBitRate,
112 minFrameRate, maxFrameRate,
113 minFrameWidth, maxFrameWidth,
114 minFrameHeight, maxFrameHeight);
115 return cap;
116 }
117
118 static jint
android_media_MediaProfiles_native_get_num_audio_encoders(JNIEnv * env,jobject thiz)119 android_media_MediaProfiles_native_get_num_audio_encoders(JNIEnv *env, jobject thiz)
120 {
121 ALOGV("native_get_num_audio_encoders");
122 return (jint) sProfiles->getAudioEncoders().size();
123 }
124
125 static jobject
android_media_MediaProfiles_native_get_audio_encoder_cap(JNIEnv * env,jobject thiz,jint index)126 android_media_MediaProfiles_native_get_audio_encoder_cap(JNIEnv *env, jobject thiz, jint index)
127 {
128 ALOGV("native_get_audio_encoder_cap: %d", index);
129 Vector<audio_encoder> encoders = sProfiles->getAudioEncoders();
130 int nSize = encoders.size();
131 if (index < 0 || index >= nSize) {
132 jniThrowException(env, "java/lang/IllegalArgumentException", "out of array boundary");
133 return NULL;
134 }
135
136 audio_encoder encoder = encoders[index];
137 int minBitRate = sProfiles->getAudioEncoderParamByName("enc.aud.bps.min", encoder);
138 int maxBitRate = sProfiles->getAudioEncoderParamByName("enc.aud.bps.max", encoder);
139 int minSampleRate = sProfiles->getAudioEncoderParamByName("enc.aud.hz.min", encoder);
140 int maxSampleRate = sProfiles->getAudioEncoderParamByName("enc.aud.hz.max", encoder);
141 int minChannels = sProfiles->getAudioEncoderParamByName("enc.aud.ch.min", encoder);
142 int maxChannels = sProfiles->getAudioEncoderParamByName("enc.aud.ch.max", encoder);
143
144 // Check on the values retrieved
145 if ((minBitRate == -1 || maxBitRate == -1) ||
146 (minSampleRate == -1 || maxSampleRate == -1) ||
147 (minChannels == -1 || maxChannels == -1)) {
148
149 jniThrowException(env, "java/lang/RuntimeException", "Error retrieving video encoder capability params");
150 return NULL;
151 }
152
153 jclass audioEncoderCapClazz = env->FindClass("android/media/EncoderCapabilities$AudioEncoderCap");
154 jmethodID audioEncoderCapConstructorMethodID = env->GetMethodID(audioEncoderCapClazz, "<init>", "(IIIIIII)V");
155 jobject cap = env->NewObject(audioEncoderCapClazz,
156 audioEncoderCapConstructorMethodID,
157 static_cast<int>(encoder),
158 minBitRate, maxBitRate,
159 minSampleRate, maxSampleRate,
160 minChannels, maxChannels);
161 return cap;
162 }
163
isCamcorderQualityKnown(int quality)164 static bool isCamcorderQualityKnown(int quality)
165 {
166 return ((quality >= CAMCORDER_QUALITY_LIST_START &&
167 quality <= CAMCORDER_QUALITY_LIST_END) ||
168 (quality >= CAMCORDER_QUALITY_TIME_LAPSE_LIST_START &&
169 quality <= CAMCORDER_QUALITY_TIME_LAPSE_LIST_END) ||
170 (quality >= CAMCORDER_QUALITY_HIGH_SPEED_LIST_START &&
171 quality <= CAMCORDER_QUALITY_HIGH_SPEED_LIST_END));
172 }
173
174 static jobject
android_media_MediaProfiles_native_get_camcorder_profile(JNIEnv * env,jobject thiz,jint id,jint quality)175 android_media_MediaProfiles_native_get_camcorder_profile(JNIEnv *env, jobject thiz, jint id, jint quality)
176 {
177 ALOGV("native_get_camcorder_profile: %d %d", id, quality);
178 if (!isCamcorderQualityKnown(quality)) {
179 jniThrowException(env, "java/lang/RuntimeException", "Unknown camcorder profile quality");
180 return NULL;
181 }
182
183 camcorder_quality q = static_cast<camcorder_quality>(quality);
184 int duration = sProfiles->getCamcorderProfileParamByName("duration", id, q);
185 int fileFormat = sProfiles->getCamcorderProfileParamByName("file.format", id, q);
186 int videoCodec = sProfiles->getCamcorderProfileParamByName("vid.codec", id, q);
187 int videoBitRate = sProfiles->getCamcorderProfileParamByName("vid.bps", id, q);
188 int videoFrameRate = sProfiles->getCamcorderProfileParamByName("vid.fps", id, q);
189 int videoFrameWidth = sProfiles->getCamcorderProfileParamByName("vid.width", id, q);
190 int videoFrameHeight = sProfiles->getCamcorderProfileParamByName("vid.height", id, q);
191 int audioCodec = sProfiles->getCamcorderProfileParamByName("aud.codec", id, q);
192 int audioBitRate = sProfiles->getCamcorderProfileParamByName("aud.bps", id, q);
193 int audioSampleRate = sProfiles->getCamcorderProfileParamByName("aud.hz", id, q);
194 int audioChannels = sProfiles->getCamcorderProfileParamByName("aud.ch", id, q);
195
196 // Check on the values retrieved
197 if (duration == -1 || fileFormat == -1 || videoCodec == -1 || audioCodec == -1 ||
198 videoBitRate == -1 || videoFrameRate == -1 || videoFrameWidth == -1 || videoFrameHeight == -1 ||
199 audioBitRate == -1 || audioSampleRate == -1 || audioChannels == -1) {
200
201 jniThrowException(env, "java/lang/RuntimeException", "Error retrieving camcorder profile params");
202 return NULL;
203 }
204
205 jclass camcorderProfileClazz = env->FindClass("android/media/CamcorderProfile");
206 jmethodID camcorderProfileConstructorMethodID = env->GetMethodID(camcorderProfileClazz, "<init>", "(IIIIIIIIIIII)V");
207 return env->NewObject(camcorderProfileClazz,
208 camcorderProfileConstructorMethodID,
209 duration,
210 quality,
211 fileFormat,
212 videoCodec,
213 videoBitRate,
214 videoFrameRate,
215 videoFrameWidth,
216 videoFrameHeight,
217 audioCodec,
218 audioBitRate,
219 audioSampleRate,
220 audioChannels);
221 }
222
223 static jboolean
android_media_MediaProfiles_native_has_camcorder_profile(JNIEnv * env,jobject thiz,jint id,jint quality)224 android_media_MediaProfiles_native_has_camcorder_profile(JNIEnv *env, jobject thiz, jint id, jint quality)
225 {
226 ALOGV("native_has_camcorder_profile: %d %d", id, quality);
227 if (!isCamcorderQualityKnown(quality)) {
228 return JNI_FALSE;
229 }
230
231 camcorder_quality q = static_cast<camcorder_quality>(quality);
232 return sProfiles->hasCamcorderProfile(id, q) ? JNI_TRUE : JNI_FALSE;
233 }
234
235 static jint
android_media_MediaProfiles_native_get_num_video_decoders(JNIEnv * env,jobject thiz)236 android_media_MediaProfiles_native_get_num_video_decoders(JNIEnv *env, jobject thiz)
237 {
238 ALOGV("native_get_num_video_decoders");
239 return (jint) sProfiles->getVideoDecoders().size();
240 }
241
242 static jint
android_media_MediaProfiles_native_get_video_decoder_type(JNIEnv * env,jobject thiz,jint index)243 android_media_MediaProfiles_native_get_video_decoder_type(JNIEnv *env, jobject thiz, jint index)
244 {
245 ALOGV("native_get_video_decoder_type: %d", index);
246 Vector<video_decoder> decoders = sProfiles->getVideoDecoders();
247 int nSize = decoders.size();
248 if (index < 0 || index >= nSize) {
249 jniThrowException(env, "java/lang/IllegalArgumentException", "out of array boundary");
250 return -1;
251 }
252
253 return static_cast<jint>(decoders[index]);
254 }
255
256 static jint
android_media_MediaProfiles_native_get_num_audio_decoders(JNIEnv * env,jobject thiz)257 android_media_MediaProfiles_native_get_num_audio_decoders(JNIEnv *env, jobject thiz)
258 {
259 ALOGV("native_get_num_audio_decoders");
260 return (jint) sProfiles->getAudioDecoders().size();
261 }
262
263 static jint
android_media_MediaProfiles_native_get_audio_decoder_type(JNIEnv * env,jobject thiz,jint index)264 android_media_MediaProfiles_native_get_audio_decoder_type(JNIEnv *env, jobject thiz, jint index)
265 {
266 ALOGV("native_get_audio_decoder_type: %d", index);
267 Vector<audio_decoder> decoders = sProfiles->getAudioDecoders();
268 int nSize = decoders.size();
269 if (index < 0 || index >= nSize) {
270 jniThrowException(env, "java/lang/IllegalArgumentException", "out of array boundary");
271 return -1;
272 }
273
274 return static_cast<jint>(decoders[index]);
275 }
276
277 static jint
android_media_MediaProfiles_native_get_num_image_encoding_quality_levels(JNIEnv * env,jobject thiz,jint cameraId)278 android_media_MediaProfiles_native_get_num_image_encoding_quality_levels(JNIEnv *env, jobject thiz, jint cameraId)
279 {
280 ALOGV("native_get_num_image_encoding_quality_levels");
281 return (jint) sProfiles->getImageEncodingQualityLevels(cameraId).size();
282 }
283
284 static jint
android_media_MediaProfiles_native_get_image_encoding_quality_level(JNIEnv * env,jobject thiz,jint cameraId,jint index)285 android_media_MediaProfiles_native_get_image_encoding_quality_level(JNIEnv *env, jobject thiz, jint cameraId, jint index)
286 {
287 ALOGV("native_get_image_encoding_quality_level");
288 Vector<int> levels = sProfiles->getImageEncodingQualityLevels(cameraId);
289 if (index < 0 || index >= (jint) levels.size()) {
290 jniThrowException(env, "java/lang/IllegalArgumentException", "out of array boundary");
291 return -1;
292 }
293 return static_cast<jint>(levels[index]);
294 }
295 static JNINativeMethod gMethodsForEncoderCapabilitiesClass[] = {
296 {"native_init", "()V", (void *)android_media_MediaProfiles_native_init},
297 {"native_get_num_file_formats", "()I", (void *)android_media_MediaProfiles_native_get_num_file_formats},
298 {"native_get_file_format", "(I)I", (void *)android_media_MediaProfiles_native_get_file_format},
299 {"native_get_num_video_encoders", "()I", (void *)android_media_MediaProfiles_native_get_num_video_encoders},
300 {"native_get_num_audio_encoders", "()I", (void *)android_media_MediaProfiles_native_get_num_audio_encoders},
301
302 {"native_get_video_encoder_cap", "(I)Landroid/media/EncoderCapabilities$VideoEncoderCap;",
303 (void *)android_media_MediaProfiles_native_get_video_encoder_cap},
304
305 {"native_get_audio_encoder_cap", "(I)Landroid/media/EncoderCapabilities$AudioEncoderCap;",
306 (void *)android_media_MediaProfiles_native_get_audio_encoder_cap},
307 };
308
309 static JNINativeMethod gMethodsForCamcorderProfileClass[] = {
310 {"native_init", "()V", (void *)android_media_MediaProfiles_native_init},
311 {"native_get_camcorder_profile", "(II)Landroid/media/CamcorderProfile;",
312 (void *)android_media_MediaProfiles_native_get_camcorder_profile},
313 {"native_has_camcorder_profile", "(II)Z",
314 (void *)android_media_MediaProfiles_native_has_camcorder_profile},
315 };
316
317 static JNINativeMethod gMethodsForDecoderCapabilitiesClass[] = {
318 {"native_init", "()V", (void *)android_media_MediaProfiles_native_init},
319 {"native_get_num_video_decoders", "()I", (void *)android_media_MediaProfiles_native_get_num_video_decoders},
320 {"native_get_num_audio_decoders", "()I", (void *)android_media_MediaProfiles_native_get_num_audio_decoders},
321 {"native_get_video_decoder_type", "(I)I", (void *)android_media_MediaProfiles_native_get_video_decoder_type},
322 {"native_get_audio_decoder_type", "(I)I", (void *)android_media_MediaProfiles_native_get_audio_decoder_type},
323 };
324
325 static JNINativeMethod gMethodsForCameraProfileClass[] = {
326 {"native_init", "()V", (void *)android_media_MediaProfiles_native_init},
327 {"native_get_num_image_encoding_quality_levels",
328 "(I)I", (void *)android_media_MediaProfiles_native_get_num_image_encoding_quality_levels},
329 {"native_get_image_encoding_quality_level","(II)I", (void *)android_media_MediaProfiles_native_get_image_encoding_quality_level},
330 };
331
332 static const char* const kEncoderCapabilitiesClassPathName = "android/media/EncoderCapabilities";
333 static const char* const kDecoderCapabilitiesClassPathName = "android/media/DecoderCapabilities";
334 static const char* const kCamcorderProfileClassPathName = "android/media/CamcorderProfile";
335 static const char* const kCameraProfileClassPathName = "android/media/CameraProfile";
336
337 // This function only registers the native methods, and is called from
338 // JNI_OnLoad in android_media_MediaPlayer.cpp
register_android_media_MediaProfiles(JNIEnv * env)339 int register_android_media_MediaProfiles(JNIEnv *env)
340 {
341 int ret1 = AndroidRuntime::registerNativeMethods(env,
342 kEncoderCapabilitiesClassPathName,
343 gMethodsForEncoderCapabilitiesClass,
344 NELEM(gMethodsForEncoderCapabilitiesClass));
345
346 int ret2 = AndroidRuntime::registerNativeMethods(env,
347 kCamcorderProfileClassPathName,
348 gMethodsForCamcorderProfileClass,
349 NELEM(gMethodsForCamcorderProfileClass));
350
351 int ret3 = AndroidRuntime::registerNativeMethods(env,
352 kDecoderCapabilitiesClassPathName,
353 gMethodsForDecoderCapabilitiesClass,
354 NELEM(gMethodsForDecoderCapabilitiesClass));
355
356 int ret4 = AndroidRuntime::registerNativeMethods(env,
357 kCameraProfileClassPathName,
358 gMethodsForCameraProfileClass,
359 NELEM(gMethodsForCameraProfileClass));
360
361 // Success if all return values from above are 0
362 return (ret1 || ret2 || ret3 || ret4);
363 }
364