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      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 }
    364