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
29using namespace android;
30
31static Mutex sLock;
32MediaProfiles *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.
36static void
37android_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
47static jint
48android_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
54static jint
55android_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
67static jint
68android_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
74static jobject
75android_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
118static jint
119android_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
125static jobject
126android_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
164static 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
174static jobject
175android_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
223static jboolean
224android_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
235static jint
236android_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
242static jint
243android_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
256static jint
257android_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
263static jint
264android_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
277static jint
278android_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
284static jint
285android_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}
295static 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
309static 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
317static 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
325static 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
332static const char* const kEncoderCapabilitiesClassPathName = "android/media/EncoderCapabilities";
333static const char* const kDecoderCapabilitiesClassPathName = "android/media/DecoderCapabilities";
334static const char* const kCamcorderProfileClassPathName = "android/media/CamcorderProfile";
335static 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
339int 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