android_media_MediaProfiles.cpp revision 9b433f0b654d32530b0b48a7a653216ae0bb94d8
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 29using namespace android; 30 31static Mutex sLock; 32MediaProfiles *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. 36static void 37android_media_MediaProfiles_native_init(JNIEnv *env) 38{ 39 LOGV("native_init"); 40 Mutex::Autolock lock(sLock); 41 42 if (sProfiles == NULL) { 43 sProfiles = MediaProfiles::getInstance(); 44 } 45} 46 47static jint 48android_media_MediaProfiles_native_get_num_file_formats(JNIEnv *env, jobject thiz) 49{ 50 LOGV("native_get_num_file_formats"); 51 return sProfiles->getOutputFileFormats().size(); 52} 53 54static jint 55android_media_MediaProfiles_native_get_file_format(JNIEnv *env, jobject thiz, jint index) 56{ 57 LOGV("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 67static jint 68android_media_MediaProfiles_native_get_num_video_encoders(JNIEnv *env, jobject thiz) 69{ 70 LOGV("native_get_num_video_encoders"); 71 return sProfiles->getVideoEncoders().size(); 72} 73 74static jobject 75android_media_MediaProfiles_native_get_video_encoder_cap(JNIEnv *env, jobject thiz, jint index) 76{ 77 LOGV("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 118static jint 119android_media_MediaProfiles_native_get_num_audio_encoders(JNIEnv *env, jobject thiz) 120{ 121 LOGV("native_get_num_audio_encoders"); 122 return sProfiles->getAudioEncoders().size(); 123} 124 125static jobject 126android_media_MediaProfiles_native_get_audio_encoder_cap(JNIEnv *env, jobject thiz, jint index) 127{ 128 LOGV("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 164static jobject 165android_media_MediaProfiles_native_get_camcorder_profile(JNIEnv *env, jobject thiz, jint quality) 166{ 167 LOGV("native_get_camcorder_profile: %d", quality); 168 if (quality != CAMCORDER_QUALITY_HIGH && quality != CAMCORDER_QUALITY_LOW) { 169 jniThrowException(env, "java/lang/RuntimeException", "Unknown camcorder profile quality"); 170 return NULL; 171 } 172 173 camcorder_quality q = static_cast<camcorder_quality>(quality); 174 int duration = sProfiles->getCamcorderProfileParamByName("duration", q); 175 int fileFormat = sProfiles->getCamcorderProfileParamByName("file.format", q); 176 int videoCodec = sProfiles->getCamcorderProfileParamByName("vid.codec", q); 177 int videoBitRate = sProfiles->getCamcorderProfileParamByName("vid.bps", q); 178 int videoFrameRate = sProfiles->getCamcorderProfileParamByName("vid.fps", q); 179 int videoFrameWidth = sProfiles->getCamcorderProfileParamByName("vid.width", q); 180 int videoFrameHeight = sProfiles->getCamcorderProfileParamByName("vid.height", q); 181 int audioCodec = sProfiles->getCamcorderProfileParamByName("aud.codec", q); 182 int audioBitRate = sProfiles->getCamcorderProfileParamByName("aud.bps", q); 183 int audioSampleRate = sProfiles->getCamcorderProfileParamByName("aud.hz", q); 184 int audioChannels = sProfiles->getCamcorderProfileParamByName("aud.ch", q); 185 186 // Check on the values retrieved 187 if (duration == -1 || fileFormat == -1 || videoCodec == -1 || audioCodec == -1 || 188 videoBitRate == -1 || videoFrameRate == -1 || videoFrameWidth == -1 || videoFrameHeight == -1 || 189 audioBitRate == -1 || audioSampleRate == -1 || audioChannels == -1) { 190 191 jniThrowException(env, "java/lang/RuntimeException", "Error retrieving camcorder profile params"); 192 return NULL; 193 } 194 195 jclass camcorderProfileClazz = env->FindClass("android/media/CamcorderProfile"); 196 jmethodID camcorderProfileConstructorMethodID = env->GetMethodID(camcorderProfileClazz, "<init>", "(IIIIIIIIIIII)V"); 197 return env->NewObject(camcorderProfileClazz, 198 camcorderProfileConstructorMethodID, 199 duration, 200 quality, 201 fileFormat, 202 videoCodec, 203 videoBitRate, 204 videoFrameRate, 205 videoFrameWidth, 206 videoFrameHeight, 207 audioCodec, 208 audioBitRate, 209 audioSampleRate, 210 audioChannels); 211} 212 213static jint 214android_media_MediaProfiles_native_get_num_video_decoders(JNIEnv *env, jobject thiz) 215{ 216 LOGV("native_get_num_video_decoders"); 217 return sProfiles->getVideoDecoders().size(); 218} 219 220static jint 221android_media_MediaProfiles_native_get_video_decoder_type(JNIEnv *env, jobject thiz, jint index) 222{ 223 LOGV("native_get_video_decoder_type: %d", index); 224 Vector<video_decoder> decoders = sProfiles->getVideoDecoders(); 225 int nSize = decoders.size(); 226 if (index < 0 || index >= nSize) { 227 jniThrowException(env, "java/lang/IllegalArgumentException", "out of array boundary"); 228 return -1; 229 } 230 231 return static_cast<jint>(decoders[index]); 232} 233 234static jint 235android_media_MediaProfiles_native_get_num_audio_decoders(JNIEnv *env, jobject thiz) 236{ 237 LOGV("native_get_num_audio_decoders"); 238 return sProfiles->getAudioDecoders().size(); 239} 240 241static jint 242android_media_MediaProfiles_native_get_audio_decoder_type(JNIEnv *env, jobject thiz, jint index) 243{ 244 LOGV("native_get_audio_decoder_type: %d", index); 245 Vector<audio_decoder> decoders = sProfiles->getAudioDecoders(); 246 int nSize = decoders.size(); 247 if (index < 0 || index >= nSize) { 248 jniThrowException(env, "java/lang/IllegalArgumentException", "out of array boundary"); 249 return -1; 250 } 251 252 return static_cast<jint>(decoders[index]); 253} 254 255static jint 256android_media_MediaProfiles_native_get_num_image_encoding_quality_levels(JNIEnv *env, jobject thiz) 257{ 258 LOGV("native_get_num_image_encoding_quality_levels"); 259 return sProfiles->getImageEncodingQualityLevels().size(); 260} 261 262static jint 263android_media_MediaProfiles_native_get_image_encoding_quality_level(JNIEnv *env, jobject thiz, jint index) 264{ 265 LOGV("native_get_image_encoding_quality_level"); 266 Vector<int> levels = sProfiles->getImageEncodingQualityLevels(); 267 if (index < 0 || index >= levels.size()) { 268 jniThrowException(env, "java/lang/IllegalArgumentException", "out of array boundary"); 269 return -1; 270 } 271 return static_cast<jint>(levels[index]); 272} 273 274static JNINativeMethod gMethodsForEncoderCapabilitiesClass[] = { 275 {"native_init", "()V", (void *)android_media_MediaProfiles_native_init}, 276 {"native_get_num_file_formats", "()I", (void *)android_media_MediaProfiles_native_get_num_file_formats}, 277 {"native_get_file_format", "(I)I", (void *)android_media_MediaProfiles_native_get_file_format}, 278 {"native_get_num_video_encoders", "()I", (void *)android_media_MediaProfiles_native_get_num_video_encoders}, 279 {"native_get_num_audio_encoders", "()I", (void *)android_media_MediaProfiles_native_get_num_audio_encoders}, 280 281 {"native_get_video_encoder_cap", "(I)Landroid/media/EncoderCapabilities$VideoEncoderCap;", 282 (void *)android_media_MediaProfiles_native_get_video_encoder_cap}, 283 284 {"native_get_audio_encoder_cap", "(I)Landroid/media/EncoderCapabilities$AudioEncoderCap;", 285 (void *)android_media_MediaProfiles_native_get_audio_encoder_cap}, 286}; 287 288static JNINativeMethod gMethodsForCamcorderProfileClass[] = { 289 {"native_init", "()V", (void *)android_media_MediaProfiles_native_init}, 290 {"native_get_camcorder_profile", "(I)Landroid/media/CamcorderProfile;", 291 (void *)android_media_MediaProfiles_native_get_camcorder_profile}, 292}; 293 294static JNINativeMethod gMethodsForDecoderCapabilitiesClass[] = { 295 {"native_init", "()V", (void *)android_media_MediaProfiles_native_init}, 296 {"native_get_num_video_decoders", "()I", (void *)android_media_MediaProfiles_native_get_num_video_decoders}, 297 {"native_get_num_audio_decoders", "()I", (void *)android_media_MediaProfiles_native_get_num_audio_decoders}, 298 {"native_get_video_decoder_type", "(I)I", (void *)android_media_MediaProfiles_native_get_video_decoder_type}, 299 {"native_get_audio_decoder_type", "(I)I", (void *)android_media_MediaProfiles_native_get_audio_decoder_type}, 300}; 301 302static JNINativeMethod gMethodsForCameraProfileClass[] = { 303 {"native_init", "()V", (void *)android_media_MediaProfiles_native_init}, 304 {"native_get_num_image_encoding_quality_levels", 305 "()I", (void *)android_media_MediaProfiles_native_get_num_image_encoding_quality_levels}, 306 {"native_get_image_encoding_quality_level","(I)I", (void *)android_media_MediaProfiles_native_get_image_encoding_quality_level}, 307}; 308 309static const char* const kEncoderCapabilitiesClassPathName = "android/media/EncoderCapabilities"; 310static const char* const kDecoderCapabilitiesClassPathName = "android/media/DecoderCapabilities"; 311static const char* const kCamcorderProfileClassPathName = "android/media/CamcorderProfile"; 312static const char* const kCameraProfileClassPathName = "android/media/CameraProfile"; 313 314// This function only registers the native methods, and is called from 315// JNI_OnLoad in android_media_MediaPlayer.cpp 316int register_android_media_MediaProfiles(JNIEnv *env) 317{ 318 int ret1 = AndroidRuntime::registerNativeMethods(env, 319 kEncoderCapabilitiesClassPathName, 320 gMethodsForEncoderCapabilitiesClass, 321 NELEM(gMethodsForEncoderCapabilitiesClass)); 322 323 int ret2 = AndroidRuntime::registerNativeMethods(env, 324 kCamcorderProfileClassPathName, 325 gMethodsForCamcorderProfileClass, 326 NELEM(gMethodsForCamcorderProfileClass)); 327 328 int ret3 = AndroidRuntime::registerNativeMethods(env, 329 kDecoderCapabilitiesClassPathName, 330 gMethodsForDecoderCapabilitiesClass, 331 NELEM(gMethodsForDecoderCapabilitiesClass)); 332 333 int ret4 = AndroidRuntime::registerNativeMethods(env, 334 kCameraProfileClassPathName, 335 gMethodsForCameraProfileClass, 336 NELEM(gMethodsForCameraProfileClass)); 337 338 // Success if all return values from above are 0 339 return (ret1 || ret2 || ret3 || ret4); 340} 341