media/jni/android_media_MediaProfiles.cpp

   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
  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
  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
  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
  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
  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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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 }