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 <nativehelper/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 */,
  76                                                          jint index)
  77 {
  78     ALOGV("native_get_video_encoder_cap: %d", index);
  79     Vector<video_encoder> encoders = sProfiles->getVideoEncoders();
  80     int nSize = encoders.size();
  81     if (index < 0 || index >= nSize) {
  82         jniThrowException(env, "java/lang/IllegalArgumentException", "out of array boundary");
  83         return NULL;
  84     }
  85
  86     video_encoder encoder = encoders[index];
  87     int minBitRate = sProfiles->getVideoEncoderParamByName("enc.vid.bps.min", encoder);
  88     int maxBitRate = sProfiles->getVideoEncoderParamByName("enc.vid.bps.max", encoder);
  89     int minFrameRate = sProfiles->getVideoEncoderParamByName("enc.vid.fps.min", encoder);
  90     int maxFrameRate = sProfiles->getVideoEncoderParamByName("enc.vid.fps.max", encoder);
  91     int minFrameWidth = sProfiles->getVideoEncoderParamByName("enc.vid.width.min", encoder);
  92     int maxFrameWidth = sProfiles->getVideoEncoderParamByName("enc.vid.width.max", encoder);
  93     int minFrameHeight = sProfiles->getVideoEncoderParamByName("enc.vid.height.min", encoder);
  94     int maxFrameHeight = sProfiles->getVideoEncoderParamByName("enc.vid.height.max", encoder);
  95
  96     // Check on the values retrieved
  97     if ((minBitRate == -1 || maxBitRate == -1) ||
  98         (minFrameRate == -1 || maxFrameRate == -1) ||
  99         (minFrameWidth == -1 || maxFrameWidth == -1) ||
 100         (minFrameHeight == -1 || maxFrameHeight == -1)) {
 101
 102         jniThrowException(env, "java/lang/RuntimeException", "Error retrieving video encoder capability params");
 103         return NULL;
 104     }
 105
 106     // Construct an instance of the VideoEncoderCap and set its member variables
 107     jclass videoEncoderCapClazz = env->FindClass("android/media/EncoderCapabilities$VideoEncoderCap");
 108     jmethodID videoEncoderCapConstructorMethodID = env->GetMethodID(videoEncoderCapClazz, "<init>", "(IIIIIIIII)V");
 109     jobject cap = env->NewObject(videoEncoderCapClazz,
 110                                  videoEncoderCapConstructorMethodID,
 111                                  static_cast<int>(encoder),
 112                                  minBitRate, maxBitRate,
 113                                  minFrameRate, maxFrameRate,
 114                                  minFrameWidth, maxFrameWidth,
 115                                  minFrameHeight, maxFrameHeight);
 116     return cap;
 117 }
 118
 119 static jint
 120 android_media_MediaProfiles_native_get_num_audio_encoders(JNIEnv* /* env */, jobject /* thiz */)
 121 {
 122     ALOGV("native_get_num_audio_encoders");
 123     return (jint) sProfiles->getAudioEncoders().size();
 124 }
 125
 126 static jobject
 127 android_media_MediaProfiles_native_get_audio_encoder_cap(JNIEnv *env, jobject /* thiz */,
 128                                                          jint index)
 129 {
 130     ALOGV("native_get_audio_encoder_cap: %d", index);
 131     Vector<audio_encoder> encoders = sProfiles->getAudioEncoders();
 132     int nSize = encoders.size();
 133     if (index < 0 || index >= nSize) {
 134         jniThrowException(env, "java/lang/IllegalArgumentException", "out of array boundary");
 135         return NULL;
 136     }
 137
 138     audio_encoder encoder = encoders[index];
 139     int minBitRate = sProfiles->getAudioEncoderParamByName("enc.aud.bps.min", encoder);
 140     int maxBitRate = sProfiles->getAudioEncoderParamByName("enc.aud.bps.max", encoder);
 141     int minSampleRate = sProfiles->getAudioEncoderParamByName("enc.aud.hz.min", encoder);
 142     int maxSampleRate = sProfiles->getAudioEncoderParamByName("enc.aud.hz.max", encoder);
 143     int minChannels = sProfiles->getAudioEncoderParamByName("enc.aud.ch.min", encoder);
 144     int maxChannels = sProfiles->getAudioEncoderParamByName("enc.aud.ch.max", encoder);
 145
 146     // Check on the values retrieved
 147     if ((minBitRate == -1 || maxBitRate == -1) ||
 148         (minSampleRate == -1 || maxSampleRate == -1) ||
 149         (minChannels == -1 || maxChannels == -1)) {
 150
 151         jniThrowException(env, "java/lang/RuntimeException", "Error retrieving video encoder capability params");
 152         return NULL;
 153     }
 154
 155     jclass audioEncoderCapClazz = env->FindClass("android/media/EncoderCapabilities$AudioEncoderCap");
 156     jmethodID audioEncoderCapConstructorMethodID = env->GetMethodID(audioEncoderCapClazz, "<init>", "(IIIIIII)V");
 157     jobject cap = env->NewObject(audioEncoderCapClazz,
 158                                  audioEncoderCapConstructorMethodID,
 159                                  static_cast<int>(encoder),
 160                                  minBitRate, maxBitRate,
 161                                  minSampleRate, maxSampleRate,
 162                                  minChannels, maxChannels);
 163     return cap;
 164 }
 165
 166 static bool isCamcorderQualityKnown(int quality)
 167 {
 168     return ((quality >= CAMCORDER_QUALITY_LIST_START &&
 169              quality <= CAMCORDER_QUALITY_LIST_END) ||
 170             (quality >= CAMCORDER_QUALITY_TIME_LAPSE_LIST_START &&
 171              quality <= CAMCORDER_QUALITY_TIME_LAPSE_LIST_END) ||
 172              (quality >= CAMCORDER_QUALITY_HIGH_SPEED_LIST_START &&
 173               quality <= CAMCORDER_QUALITY_HIGH_SPEED_LIST_END));
 174 }
 175
 176 static jobject
 177 android_media_MediaProfiles_native_get_camcorder_profile(JNIEnv *env, jobject /* thiz */, jint id,
 178                                                          jint quality)
 179 {
 180     ALOGV("native_get_camcorder_profile: %d %d", id, quality);
 181     if (!isCamcorderQualityKnown(quality)) {
 182         jniThrowException(env, "java/lang/RuntimeException", "Unknown camcorder profile quality");
 183         return NULL;
 184     }
 185
 186     camcorder_quality q = static_cast<camcorder_quality>(quality);
 187     int duration         = sProfiles->getCamcorderProfileParamByName("duration",    id, q);
 188     int fileFormat       = sProfiles->getCamcorderProfileParamByName("file.format", id, q);
 189     int videoCodec       = sProfiles->getCamcorderProfileParamByName("vid.codec",   id, q);
 190     int videoBitRate     = sProfiles->getCamcorderProfileParamByName("vid.bps",     id, q);
 191     int videoFrameRate   = sProfiles->getCamcorderProfileParamByName("vid.fps",     id, q);
 192     int videoFrameWidth  = sProfiles->getCamcorderProfileParamByName("vid.width",   id, q);
 193     int videoFrameHeight = sProfiles->getCamcorderProfileParamByName("vid.height",  id, q);
 194     int audioCodec       = sProfiles->getCamcorderProfileParamByName("aud.codec",   id, q);
 195     int audioBitRate     = sProfiles->getCamcorderProfileParamByName("aud.bps",     id, q);
 196     int audioSampleRate  = sProfiles->getCamcorderProfileParamByName("aud.hz",      id, q);
 197     int audioChannels    = sProfiles->getCamcorderProfileParamByName("aud.ch",      id, q);
 198
 199     // Check on the values retrieved
 200     if (duration == -1 || fileFormat == -1 || videoCodec == -1 || audioCodec == -1 ||
 201         videoBitRate == -1 || videoFrameRate == -1 || videoFrameWidth == -1 || videoFrameHeight == -1 ||
 202         audioBitRate == -1 || audioSampleRate == -1 || audioChannels == -1) {
 203
 204         jniThrowException(env, "java/lang/RuntimeException", "Error retrieving camcorder profile params");
 205         return NULL;
 206     }
 207
 208     jclass camcorderProfileClazz = env->FindClass("android/media/CamcorderProfile");
 209     jmethodID camcorderProfileConstructorMethodID = env->GetMethodID(camcorderProfileClazz, "<init>", "(IIIIIIIIIIII)V");
 210     return env->NewObject(camcorderProfileClazz,
 211                           camcorderProfileConstructorMethodID,
 212                           duration,
 213                           quality,
 214                           fileFormat,
 215                           videoCodec,
 216                           videoBitRate,
 217                           videoFrameRate,
 218                           videoFrameWidth,
 219                           videoFrameHeight,
 220                           audioCodec,
 221                           audioBitRate,
 222                           audioSampleRate,
 223                           audioChannels);
 224 }
 225
 226 static jboolean
 227 android_media_MediaProfiles_native_has_camcorder_profile(JNIEnv* /* env */, jobject /* thiz */,
 228                                                          jint id, jint quality)
 229 {
 230     ALOGV("native_has_camcorder_profile: %d %d", id, quality);
 231     if (!isCamcorderQualityKnown(quality)) {
 232         return JNI_FALSE;
 233     }
 234
 235     camcorder_quality q = static_cast<camcorder_quality>(quality);
 236     return sProfiles->hasCamcorderProfile(id, q) ? JNI_TRUE : JNI_FALSE;
 237 }
 238
 239 static jint
 240 android_media_MediaProfiles_native_get_num_video_decoders(JNIEnv* /* env */, jobject /* thiz */)
 241 {
 242     ALOGV("native_get_num_video_decoders");
 243     return (jint) sProfiles->getVideoDecoders().size();
 244 }
 245
 246 static jint
 247 android_media_MediaProfiles_native_get_video_decoder_type(JNIEnv *env, jobject /* thiz */,
 248                                                           jint index)
 249 {
 250     ALOGV("native_get_video_decoder_type: %d", index);
 251     Vector<video_decoder> decoders = sProfiles->getVideoDecoders();
 252     int nSize = decoders.size();
 253     if (index < 0 || index >= nSize) {
 254         jniThrowException(env, "java/lang/IllegalArgumentException", "out of array boundary");
 255         return -1;
 256     }
 257
 258     return static_cast<jint>(decoders[index]);
 259 }
 260
 261 static jint
 262 android_media_MediaProfiles_native_get_num_audio_decoders(JNIEnv* /* env */, jobject /* thiz */)
 263 {
 264     ALOGV("native_get_num_audio_decoders");
 265     return (jint) sProfiles->getAudioDecoders().size();
 266 }
 267
 268 static jint
 269 android_media_MediaProfiles_native_get_audio_decoder_type(JNIEnv *env, jobject /* thiz */,
 270                                                           jint index)
 271 {
 272     ALOGV("native_get_audio_decoder_type: %d", index);
 273     Vector<audio_decoder> decoders = sProfiles->getAudioDecoders();
 274     int nSize = decoders.size();
 275     if (index < 0 || index >= nSize) {
 276         jniThrowException(env, "java/lang/IllegalArgumentException", "out of array boundary");
 277         return -1;
 278     }
 279
 280     return static_cast<jint>(decoders[index]);
 281 }
 282
 283 static jint
 284 android_media_MediaProfiles_native_get_num_image_encoding_quality_levels(JNIEnv* /* env */,
 285                                                                          jobject /* thiz */,
 286                                                                          jint cameraId)
 287 {
 288     ALOGV("native_get_num_image_encoding_quality_levels");
 289     return (jint) sProfiles->getImageEncodingQualityLevels(cameraId).size();
 290 }
 291
 292 static jint
 293 android_media_MediaProfiles_native_get_image_encoding_quality_level(JNIEnv *env, jobject /* thiz */,
 294                                                                     jint cameraId, jint index)
 295 {
 296     ALOGV("native_get_image_encoding_quality_level");
 297     Vector<int> levels = sProfiles->getImageEncodingQualityLevels(cameraId);
 298     if (index < 0 || index >= (jint) levels.size()) {
 299         jniThrowException(env, "java/lang/IllegalArgumentException", "out of array boundary");
 300         return -1;
 301     }
 302     return static_cast<jint>(levels[index]);
 303 }
 304 static const JNINativeMethod gMethodsForEncoderCapabilitiesClass[] = {
 305     {"native_init",                            "()V",                    (void *)android_media_MediaProfiles_native_init},
 306     {"native_get_num_file_formats",            "()I",                    (void *)android_media_MediaProfiles_native_get_num_file_formats},
 307     {"native_get_file_format",                 "(I)I",                   (void *)android_media_MediaProfiles_native_get_file_format},
 308     {"native_get_num_video_encoders",          "()I",                    (void *)android_media_MediaProfiles_native_get_num_video_encoders},
 309     {"native_get_num_audio_encoders",          "()I",                    (void *)android_media_MediaProfiles_native_get_num_audio_encoders},
 310
 311     {"native_get_video_encoder_cap",           "(I)Landroid/media/EncoderCapabilities$VideoEncoderCap;",
 312                                                                          (void *)android_media_MediaProfiles_native_get_video_encoder_cap},
 313
 314     {"native_get_audio_encoder_cap",           "(I)Landroid/media/EncoderCapabilities$AudioEncoderCap;",
 315                                                                          (void *)android_media_MediaProfiles_native_get_audio_encoder_cap},
 316 };
 317
 318 static const JNINativeMethod gMethodsForCamcorderProfileClass[] = {
 319     {"native_init",                            "()V",                    (void *)android_media_MediaProfiles_native_init},
 320     {"native_get_camcorder_profile",           "(II)Landroid/media/CamcorderProfile;",
 321                                                                          (void *)android_media_MediaProfiles_native_get_camcorder_profile},
 322     {"native_has_camcorder_profile",           "(II)Z",
 323                                                                          (void *)android_media_MediaProfiles_native_has_camcorder_profile},
 324 };
 325
 326 static const JNINativeMethod gMethodsForDecoderCapabilitiesClass[] = {
 327     {"native_init",                            "()V",                    (void *)android_media_MediaProfiles_native_init},
 328     {"native_get_num_video_decoders",          "()I",                    (void *)android_media_MediaProfiles_native_get_num_video_decoders},
 329     {"native_get_num_audio_decoders",          "()I",                    (void *)android_media_MediaProfiles_native_get_num_audio_decoders},
 330     {"native_get_video_decoder_type",          "(I)I",                   (void *)android_media_MediaProfiles_native_get_video_decoder_type},
 331     {"native_get_audio_decoder_type",          "(I)I",                   (void *)android_media_MediaProfiles_native_get_audio_decoder_type},
 332 };
 333
 334 static const JNINativeMethod gMethodsForCameraProfileClass[] = {
 335     {"native_init",                            "()V",                    (void *)android_media_MediaProfiles_native_init},
 336     {"native_get_num_image_encoding_quality_levels",
 337                                                "(I)I",                   (void *)android_media_MediaProfiles_native_get_num_image_encoding_quality_levels},
 338     {"native_get_image_encoding_quality_level","(II)I",                   (void *)android_media_MediaProfiles_native_get_image_encoding_quality_level},
 339 };
 340
 341 static const char* const kEncoderCapabilitiesClassPathName = "android/media/EncoderCapabilities";
 342 static const char* const kDecoderCapabilitiesClassPathName = "android/media/DecoderCapabilities";
 343 static const char* const kCamcorderProfileClassPathName = "android/media/CamcorderProfile";
 344 static const char* const kCameraProfileClassPathName = "android/media/CameraProfile";
 345
 346 // This function only registers the native methods, and is called from
 347 // JNI_OnLoad in android_media_MediaPlayer.cpp
 348 int register_android_media_MediaProfiles(JNIEnv *env)
 349 {
 350     int ret1 = AndroidRuntime::registerNativeMethods(env,
 351                kEncoderCapabilitiesClassPathName,
 352                gMethodsForEncoderCapabilitiesClass,
 353                NELEM(gMethodsForEncoderCapabilitiesClass));
 354
 355     int ret2 = AndroidRuntime::registerNativeMethods(env,
 356                kCamcorderProfileClassPathName,
 357                gMethodsForCamcorderProfileClass,
 358                NELEM(gMethodsForCamcorderProfileClass));
 359
 360     int ret3 = AndroidRuntime::registerNativeMethods(env,
 361                kDecoderCapabilitiesClassPathName,
 362                gMethodsForDecoderCapabilitiesClass,
 363                NELEM(gMethodsForDecoderCapabilitiesClass));
 364
 365     int ret4 = AndroidRuntime::registerNativeMethods(env,
 366                kCameraProfileClassPathName,
 367                gMethodsForCameraProfileClass,
 368                NELEM(gMethodsForCameraProfileClass));
 369
 370     // Success if all return values from above are 0
 371     return (ret1 || ret2 || ret3 || ret4);
 372 }