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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 <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 }
    373