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 */,
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
119static jint
120android_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
126static jobject
127android_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
166static 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
176static jobject
177android_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
226static jboolean
227android_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
239static jint
240android_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
246static jint
247android_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
261static jint
262android_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
268static jint
269android_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
283static jint
284android_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
292static jint
293android_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}
304static 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
318static 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
326static 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
334static 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
341static const char* const kEncoderCapabilitiesClassPathName = "android/media/EncoderCapabilities";
342static const char* const kDecoderCapabilitiesClassPathName = "android/media/DecoderCapabilities";
343static const char* const kCamcorderProfileClassPathName = "android/media/CamcorderProfile";
344static 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
348int 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