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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 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 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 }
    171 
    172 static jobject
    173 android_media_MediaProfiles_native_get_camcorder_profile(JNIEnv *env, jobject thiz, jint id, jint quality)
    174 {
    175     ALOGV("native_get_camcorder_profile: %d %d", id, quality);
    176     if (!isCamcorderQualityKnown(quality)) {
    177         jniThrowException(env, "java/lang/RuntimeException", "Unknown camcorder profile quality");
    178         return NULL;
    179     }
    180 
    181     camcorder_quality q = static_cast<camcorder_quality>(quality);
    182     int duration         = sProfiles->getCamcorderProfileParamByName("duration",    id, q);
    183     int fileFormat       = sProfiles->getCamcorderProfileParamByName("file.format", id, q);
    184     int videoCodec       = sProfiles->getCamcorderProfileParamByName("vid.codec",   id, q);
    185     int videoBitRate     = sProfiles->getCamcorderProfileParamByName("vid.bps",     id, q);
    186     int videoFrameRate   = sProfiles->getCamcorderProfileParamByName("vid.fps",     id, q);
    187     int videoFrameWidth  = sProfiles->getCamcorderProfileParamByName("vid.width",   id, q);
    188     int videoFrameHeight = sProfiles->getCamcorderProfileParamByName("vid.height",  id, q);
    189     int audioCodec       = sProfiles->getCamcorderProfileParamByName("aud.codec",   id, q);
    190     int audioBitRate     = sProfiles->getCamcorderProfileParamByName("aud.bps",     id, q);
    191     int audioSampleRate  = sProfiles->getCamcorderProfileParamByName("aud.hz",      id, q);
    192     int audioChannels    = sProfiles->getCamcorderProfileParamByName("aud.ch",      id, q);
    193 
    194     // Check on the values retrieved
    195     if (duration == -1 || fileFormat == -1 || videoCodec == -1 || audioCodec == -1 ||
    196         videoBitRate == -1 || videoFrameRate == -1 || videoFrameWidth == -1 || videoFrameHeight == -1 ||
    197         audioBitRate == -1 || audioSampleRate == -1 || audioChannels == -1) {
    198 
    199         jniThrowException(env, "java/lang/RuntimeException", "Error retrieving camcorder profile params");
    200         return NULL;
    201     }
    202 
    203     jclass camcorderProfileClazz = env->FindClass("android/media/CamcorderProfile");
    204     jmethodID camcorderProfileConstructorMethodID = env->GetMethodID(camcorderProfileClazz, "<init>", "(IIIIIIIIIIII)V");
    205     return env->NewObject(camcorderProfileClazz,
    206                           camcorderProfileConstructorMethodID,
    207                           duration,
    208                           quality,
    209                           fileFormat,
    210                           videoCodec,
    211                           videoBitRate,
    212                           videoFrameRate,
    213                           videoFrameWidth,
    214                           videoFrameHeight,
    215                           audioCodec,
    216                           audioBitRate,
    217                           audioSampleRate,
    218                           audioChannels);
    219 }
    220 
    221 static jboolean
    222 android_media_MediaProfiles_native_has_camcorder_profile(JNIEnv *env, jobject thiz, jint id, jint quality)
    223 {
    224     ALOGV("native_has_camcorder_profile: %d %d", id, quality);
    225     if (!isCamcorderQualityKnown(quality)) {
    226         return false;
    227     }
    228 
    229     camcorder_quality q = static_cast<camcorder_quality>(quality);
    230     return sProfiles->hasCamcorderProfile(id, q);
    231 }
    232 
    233 static jint
    234 android_media_MediaProfiles_native_get_num_video_decoders(JNIEnv *env, jobject thiz)
    235 {
    236     ALOGV("native_get_num_video_decoders");
    237     return sProfiles->getVideoDecoders().size();
    238 }
    239 
    240 static jint
    241 android_media_MediaProfiles_native_get_video_decoder_type(JNIEnv *env, jobject thiz, jint index)
    242 {
    243     ALOGV("native_get_video_decoder_type: %d", index);
    244     Vector<video_decoder> decoders = sProfiles->getVideoDecoders();
    245     int nSize = decoders.size();
    246     if (index < 0 || index >= nSize) {
    247         jniThrowException(env, "java/lang/IllegalArgumentException", "out of array boundary");
    248         return -1;
    249     }
    250 
    251     return static_cast<jint>(decoders[index]);
    252 }
    253 
    254 static jint
    255 android_media_MediaProfiles_native_get_num_audio_decoders(JNIEnv *env, jobject thiz)
    256 {
    257     ALOGV("native_get_num_audio_decoders");
    258     return sProfiles->getAudioDecoders().size();
    259 }
    260 
    261 static jint
    262 android_media_MediaProfiles_native_get_audio_decoder_type(JNIEnv *env, jobject thiz, jint index)
    263 {
    264     ALOGV("native_get_audio_decoder_type: %d", index);
    265     Vector<audio_decoder> decoders = sProfiles->getAudioDecoders();
    266     int nSize = decoders.size();
    267     if (index < 0 || index >= nSize) {
    268         jniThrowException(env, "java/lang/IllegalArgumentException", "out of array boundary");
    269         return -1;
    270     }
    271 
    272     return static_cast<jint>(decoders[index]);
    273 }
    274 
    275 static jint
    276 android_media_MediaProfiles_native_get_num_image_encoding_quality_levels(JNIEnv *env, jobject thiz, jint cameraId)
    277 {
    278     ALOGV("native_get_num_image_encoding_quality_levels");
    279     return sProfiles->getImageEncodingQualityLevels(cameraId).size();
    280 }
    281 
    282 static jint
    283 android_media_MediaProfiles_native_get_image_encoding_quality_level(JNIEnv *env, jobject thiz, jint cameraId, jint index)
    284 {
    285     ALOGV("native_get_image_encoding_quality_level");
    286     Vector<int> levels = sProfiles->getImageEncodingQualityLevels(cameraId);
    287     if (index < 0 || index >= levels.size()) {
    288         jniThrowException(env, "java/lang/IllegalArgumentException", "out of array boundary");
    289         return -1;
    290     }
    291     return static_cast<jint>(levels[index]);
    292 }
    293 static jobject
    294 android_media_MediaProfiles_native_get_videoeditor_profile(JNIEnv *env, jobject thiz)
    295 {
    296     ALOGV("native_get_videoeditor_profile");
    297 
    298     int maxInputFrameWidth =
    299             sProfiles->getVideoEditorCapParamByName("videoeditor.input.width.max");
    300     int maxInputFrameHeight =
    301             sProfiles->getVideoEditorCapParamByName("videoeditor.input.height.max");
    302     int maxOutputFrameWidth =
    303             sProfiles->getVideoEditorCapParamByName("videoeditor.output.width.max");
    304     int maxOutputFrameHeight =
    305             sProfiles->getVideoEditorCapParamByName("videoeditor.output.height.max");
    306 
    307     // Check on the values retrieved
    308     if (maxInputFrameWidth == -1 || maxInputFrameHeight == -1 ||
    309         maxOutputFrameWidth == -1 || maxOutputFrameHeight == -1) {
    310 
    311         jniThrowException(env, "java/lang/RuntimeException",\
    312             "Error retrieving videoeditor profile params");
    313         return NULL;
    314     }
    315     ALOGV("native_get_videoeditor_profile \
    316         inWidth:%d inHeight:%d,outWidth:%d, outHeight:%d",\
    317         maxInputFrameWidth,maxInputFrameHeight,\
    318         maxOutputFrameWidth,maxOutputFrameHeight);
    319 
    320     jclass VideoEditorProfileClazz =
    321         env->FindClass("android/media/videoeditor/VideoEditorProfile");
    322     jmethodID VideoEditorProfileConstructorMethodID =
    323         env->GetMethodID(VideoEditorProfileClazz, "<init>", "(IIII)V");
    324     return env->NewObject(VideoEditorProfileClazz,
    325                           VideoEditorProfileConstructorMethodID,
    326                           maxInputFrameWidth,
    327                           maxInputFrameHeight,
    328                           maxOutputFrameWidth,
    329                           maxOutputFrameHeight);
    330 }
    331 static jint
    332 android_media_MediaProfiles_native_get_videoeditor_export_profile(
    333     JNIEnv *env, jobject thiz, jint codec)
    334 {
    335     ALOGV("android_media_MediaProfiles_native_get_export_profile index ");
    336     int profile =0;
    337     profile = sProfiles->getVideoEditorExportParamByName("videoeditor.export.profile", codec);
    338     // Check the values retrieved
    339     if (profile == -1) {
    340         jniThrowException(env, "java/lang/RuntimeException",\
    341             "Error retrieving videoeditor export profile params");
    342         return -1;
    343     }
    344     return static_cast<jint>(profile);
    345 }
    346 
    347 static jint
    348 android_media_MediaProfiles_native_get_videoeditor_export_level(
    349     JNIEnv *env, jobject thiz, jint codec)
    350 {
    351     ALOGV("android_media_MediaProfiles_native_get_export_level");
    352     int level =0;
    353     level = sProfiles->getVideoEditorExportParamByName("videoeditor.export.level", codec);
    354     // Check the values retrieved
    355     if (level == -1) {
    356         jniThrowException(env, "java/lang/RuntimeException",\
    357             "Error retrieving videoeditor export level params");
    358         return -1;
    359     }
    360     return static_cast<jint>(level);
    361 }
    362 static JNINativeMethod gMethodsForEncoderCapabilitiesClass[] = {
    363     {"native_init",                            "()V",                    (void *)android_media_MediaProfiles_native_init},
    364     {"native_get_num_file_formats",            "()I",                    (void *)android_media_MediaProfiles_native_get_num_file_formats},
    365     {"native_get_file_format",                 "(I)I",                   (void *)android_media_MediaProfiles_native_get_file_format},
    366     {"native_get_num_video_encoders",          "()I",                    (void *)android_media_MediaProfiles_native_get_num_video_encoders},
    367     {"native_get_num_audio_encoders",          "()I",                    (void *)android_media_MediaProfiles_native_get_num_audio_encoders},
    368 
    369     {"native_get_video_encoder_cap",           "(I)Landroid/media/EncoderCapabilities$VideoEncoderCap;",
    370                                                                          (void *)android_media_MediaProfiles_native_get_video_encoder_cap},
    371 
    372     {"native_get_audio_encoder_cap",           "(I)Landroid/media/EncoderCapabilities$AudioEncoderCap;",
    373                                                                          (void *)android_media_MediaProfiles_native_get_audio_encoder_cap},
    374 };
    375 
    376 static JNINativeMethod gMethodsForCamcorderProfileClass[] = {
    377     {"native_init",                            "()V",                    (void *)android_media_MediaProfiles_native_init},
    378     {"native_get_camcorder_profile",           "(II)Landroid/media/CamcorderProfile;",
    379                                                                          (void *)android_media_MediaProfiles_native_get_camcorder_profile},
    380     {"native_has_camcorder_profile",           "(II)Z",
    381                                                                          (void *)android_media_MediaProfiles_native_has_camcorder_profile},
    382 };
    383 
    384 static JNINativeMethod gMethodsForDecoderCapabilitiesClass[] = {
    385     {"native_init",                            "()V",                    (void *)android_media_MediaProfiles_native_init},
    386     {"native_get_num_video_decoders",          "()I",                    (void *)android_media_MediaProfiles_native_get_num_video_decoders},
    387     {"native_get_num_audio_decoders",          "()I",                    (void *)android_media_MediaProfiles_native_get_num_audio_decoders},
    388     {"native_get_video_decoder_type",          "(I)I",                   (void *)android_media_MediaProfiles_native_get_video_decoder_type},
    389     {"native_get_audio_decoder_type",          "(I)I",                   (void *)android_media_MediaProfiles_native_get_audio_decoder_type},
    390 };
    391 
    392 static JNINativeMethod gMethodsForCameraProfileClass[] = {
    393     {"native_init",                            "()V",                    (void *)android_media_MediaProfiles_native_init},
    394     {"native_get_num_image_encoding_quality_levels",
    395                                                "(I)I",                   (void *)android_media_MediaProfiles_native_get_num_image_encoding_quality_levels},
    396     {"native_get_image_encoding_quality_level","(II)I",                   (void *)android_media_MediaProfiles_native_get_image_encoding_quality_level},
    397 };
    398 
    399 static JNINativeMethod gMethodsForVideoEditorProfileClass[] = {
    400     {"native_init",                            "()V",         (void *)android_media_MediaProfiles_native_init},
    401     {"native_get_videoeditor_profile", "()Landroid/media/videoeditor/VideoEditorProfile;", (void *)android_media_MediaProfiles_native_get_videoeditor_profile},
    402     {"native_get_videoeditor_export_profile", "(I)I", (void *)android_media_MediaProfiles_native_get_videoeditor_export_profile},
    403     {"native_get_videoeditor_export_level", "(I)I", (void *)android_media_MediaProfiles_native_get_videoeditor_export_level},
    404 };
    405 
    406 static const char* const kEncoderCapabilitiesClassPathName = "android/media/EncoderCapabilities";
    407 static const char* const kDecoderCapabilitiesClassPathName = "android/media/DecoderCapabilities";
    408 static const char* const kCamcorderProfileClassPathName = "android/media/CamcorderProfile";
    409 static const char* const kCameraProfileClassPathName = "android/media/CameraProfile";
    410 static const char* const kVideoEditorProfileClassPathName =
    411     "android/media/videoeditor/VideoEditorProfile";
    412 
    413 // This function only registers the native methods, and is called from
    414 // JNI_OnLoad in android_media_MediaPlayer.cpp
    415 int register_android_media_MediaProfiles(JNIEnv *env)
    416 {
    417     int ret1 = AndroidRuntime::registerNativeMethods(env,
    418                kEncoderCapabilitiesClassPathName,
    419                gMethodsForEncoderCapabilitiesClass,
    420                NELEM(gMethodsForEncoderCapabilitiesClass));
    421 
    422     int ret2 = AndroidRuntime::registerNativeMethods(env,
    423                kCamcorderProfileClassPathName,
    424                gMethodsForCamcorderProfileClass,
    425                NELEM(gMethodsForCamcorderProfileClass));
    426 
    427     int ret3 = AndroidRuntime::registerNativeMethods(env,
    428                kDecoderCapabilitiesClassPathName,
    429                gMethodsForDecoderCapabilitiesClass,
    430                NELEM(gMethodsForDecoderCapabilitiesClass));
    431 
    432     int ret4 = AndroidRuntime::registerNativeMethods(env,
    433                kCameraProfileClassPathName,
    434                gMethodsForCameraProfileClass,
    435                NELEM(gMethodsForCameraProfileClass));
    436 
    437     int ret5 = AndroidRuntime::registerNativeMethods(env,
    438                kVideoEditorProfileClassPathName,
    439                gMethodsForVideoEditorProfileClass,
    440                NELEM(gMethodsForVideoEditorProfileClass));
    441 
    442     // Success if all return values from above are 0
    443     return (ret1 || ret2 || ret3 || ret4 || ret5);
    444 }
    445