android_media_MediaProfiles.cpp revision 9d619542bea7d4c376a5a8b4a55c795a796adef3 
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    LOGV("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    LOGV("native_get_num_file_formats");
51    return sProfiles->getOutputFileFormats().size();
52}
53
54static jint
55android_media_MediaProfiles_native_get_file_format(JNIEnv *env, jobject thiz, jint index)
56{
57    LOGV("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    LOGV("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    LOGV("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    LOGV("native_get_num_audio_encoders");
122    return sProfiles->getAudioEncoders().size();
123}
124
125static jobject
126android_media_MediaProfiles_native_get_audio_encoder_cap(JNIEnv *env, jobject thiz, jint index)
127{
128    LOGV("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 jobject
165android_media_MediaProfiles_native_get_camcorder_profile(JNIEnv *env, jobject thiz, jint id, jint quality)
166{
167    LOGV("native_get_camcorder_profile: %d %d", id, quality);
168    if (!((quality >= CAMCORDER_QUALITY_LOW && quality <= CAMCORDER_QUALITY_1080P) ||
169                (quality >= CAMCORDER_QUALITY_TIME_LAPSE_LOW &&
170                quality <= CAMCORDER_QUALITY_TIME_LAPSE_1080P))) {
171        jniThrowException(env, "java/lang/RuntimeException", "Unknown camcorder profile quality");
172        return NULL;
173    }
174
175    camcorder_quality q = static_cast<camcorder_quality>(quality);
176    int duration         = sProfiles->getCamcorderProfileParamByName("duration",    id, q);
177    int fileFormat       = sProfiles->getCamcorderProfileParamByName("file.format", id, q);
178    int videoCodec       = sProfiles->getCamcorderProfileParamByName("vid.codec",   id, q);
179    int videoBitRate     = sProfiles->getCamcorderProfileParamByName("vid.bps",     id, q);
180    int videoFrameRate   = sProfiles->getCamcorderProfileParamByName("vid.fps",     id, q);
181    int videoFrameWidth  = sProfiles->getCamcorderProfileParamByName("vid.width",   id, q);
182    int videoFrameHeight = sProfiles->getCamcorderProfileParamByName("vid.height",  id, q);
183    int audioCodec       = sProfiles->getCamcorderProfileParamByName("aud.codec",   id, q);
184    int audioBitRate     = sProfiles->getCamcorderProfileParamByName("aud.bps",     id, q);
185    int audioSampleRate  = sProfiles->getCamcorderProfileParamByName("aud.hz",      id, q);
186    int audioChannels    = sProfiles->getCamcorderProfileParamByName("aud.ch",      id, q);
187
188    // Check on the values retrieved
189    if (duration == -1 || fileFormat == -1 || videoCodec == -1 || audioCodec == -1 ||
190        videoBitRate == -1 || videoFrameRate == -1 || videoFrameWidth == -1 || videoFrameHeight == -1 ||
191        audioBitRate == -1 || audioSampleRate == -1 || audioChannels == -1) {
192
193        jniThrowException(env, "java/lang/RuntimeException", "Error retrieving camcorder profile params");
194        return NULL;
195    }
196
197    jclass camcorderProfileClazz = env->FindClass("android/media/CamcorderProfile");
198    jmethodID camcorderProfileConstructorMethodID = env->GetMethodID(camcorderProfileClazz, "<init>", "(IIIIIIIIIIII)V");
199    return env->NewObject(camcorderProfileClazz,
200                          camcorderProfileConstructorMethodID,
201                          duration,
202                          quality,
203                          fileFormat,
204                          videoCodec,
205                          videoBitRate,
206                          videoFrameRate,
207                          videoFrameWidth,
208                          videoFrameHeight,
209                          audioCodec,
210                          audioBitRate,
211                          audioSampleRate,
212                          audioChannels);
213}
214
215static jboolean
216android_media_MediaProfiles_native_has_camcorder_profile(JNIEnv *env, jobject thiz, jint id, jint quality)
217{
218    LOGV("native_has_camcorder_profile: %d %d", id, quality);
219    if (!((quality >= CAMCORDER_QUALITY_LOW && quality <= CAMCORDER_QUALITY_1080P) ||
220                (quality >= CAMCORDER_QUALITY_TIME_LAPSE_LOW &&
221                quality <= CAMCORDER_QUALITY_TIME_LAPSE_1080P))) {
222        return false;
223    }
224
225    camcorder_quality q = static_cast<camcorder_quality>(quality);
226    return sProfiles->hasCamcorderProfile(id, q);
227}
228
229static jint
230android_media_MediaProfiles_native_get_num_video_decoders(JNIEnv *env, jobject thiz)
231{
232    LOGV("native_get_num_video_decoders");
233    return sProfiles->getVideoDecoders().size();
234}
235
236static jint
237android_media_MediaProfiles_native_get_video_decoder_type(JNIEnv *env, jobject thiz, jint index)
238{
239    LOGV("native_get_video_decoder_type: %d", index);
240    Vector<video_decoder> decoders = sProfiles->getVideoDecoders();
241    int nSize = decoders.size();
242    if (index < 0 || index >= nSize) {
243        jniThrowException(env, "java/lang/IllegalArgumentException", "out of array boundary");
244        return -1;
245    }
246
247    return static_cast<jint>(decoders[index]);
248}
249
250static jint
251android_media_MediaProfiles_native_get_num_audio_decoders(JNIEnv *env, jobject thiz)
252{
253    LOGV("native_get_num_audio_decoders");
254    return sProfiles->getAudioDecoders().size();
255}
256
257static jint
258android_media_MediaProfiles_native_get_audio_decoder_type(JNIEnv *env, jobject thiz, jint index)
259{
260    LOGV("native_get_audio_decoder_type: %d", index);
261    Vector<audio_decoder> decoders = sProfiles->getAudioDecoders();
262    int nSize = decoders.size();
263    if (index < 0 || index >= nSize) {
264        jniThrowException(env, "java/lang/IllegalArgumentException", "out of array boundary");
265        return -1;
266    }
267
268    return static_cast<jint>(decoders[index]);
269}
270
271static jint
272android_media_MediaProfiles_native_get_num_image_encoding_quality_levels(JNIEnv *env, jobject thiz, jint cameraId)
273{
274    LOGV("native_get_num_image_encoding_quality_levels");
275    return sProfiles->getImageEncodingQualityLevels(cameraId).size();
276}
277
278static jint
279android_media_MediaProfiles_native_get_image_encoding_quality_level(JNIEnv *env, jobject thiz, jint cameraId, jint index)
280{
281    LOGV("native_get_image_encoding_quality_level");
282    Vector<int> levels = sProfiles->getImageEncodingQualityLevels(cameraId);
283    if (index < 0 || index >= levels.size()) {
284        jniThrowException(env, "java/lang/IllegalArgumentException", "out of array boundary");
285        return -1;
286    }
287    return static_cast<jint>(levels[index]);
288}
289
290static JNINativeMethod gMethodsForEncoderCapabilitiesClass[] = {
291    {"native_init",                            "()V",                    (void *)android_media_MediaProfiles_native_init},
292    {"native_get_num_file_formats",            "()I",                    (void *)android_media_MediaProfiles_native_get_num_file_formats},
293    {"native_get_file_format",                 "(I)I",                   (void *)android_media_MediaProfiles_native_get_file_format},
294    {"native_get_num_video_encoders",          "()I",                    (void *)android_media_MediaProfiles_native_get_num_video_encoders},
295    {"native_get_num_audio_encoders",          "()I",                    (void *)android_media_MediaProfiles_native_get_num_audio_encoders},
296
297    {"native_get_video_encoder_cap",           "(I)Landroid/media/EncoderCapabilities$VideoEncoderCap;",
298                                                                         (void *)android_media_MediaProfiles_native_get_video_encoder_cap},
299
300    {"native_get_audio_encoder_cap",           "(I)Landroid/media/EncoderCapabilities$AudioEncoderCap;",
301                                                                         (void *)android_media_MediaProfiles_native_get_audio_encoder_cap},
302};
303
304static JNINativeMethod gMethodsForCamcorderProfileClass[] = {
305    {"native_init",                            "()V",                    (void *)android_media_MediaProfiles_native_init},
306    {"native_get_camcorder_profile",           "(II)Landroid/media/CamcorderProfile;",
307                                                                         (void *)android_media_MediaProfiles_native_get_camcorder_profile},
308    {"native_has_camcorder_profile",           "(II)Z",
309                                                                         (void *)android_media_MediaProfiles_native_has_camcorder_profile},
310};
311
312static JNINativeMethod gMethodsForDecoderCapabilitiesClass[] = {
313    {"native_init",                            "()V",                    (void *)android_media_MediaProfiles_native_init},
314    {"native_get_num_video_decoders",          "()I",                    (void *)android_media_MediaProfiles_native_get_num_video_decoders},
315    {"native_get_num_audio_decoders",          "()I",                    (void *)android_media_MediaProfiles_native_get_num_audio_decoders},
316    {"native_get_video_decoder_type",          "(I)I",                   (void *)android_media_MediaProfiles_native_get_video_decoder_type},
317    {"native_get_audio_decoder_type",          "(I)I",                   (void *)android_media_MediaProfiles_native_get_audio_decoder_type},
318};
319
320static JNINativeMethod gMethodsForCameraProfileClass[] = {
321    {"native_init",                            "()V",                    (void *)android_media_MediaProfiles_native_init},
322    {"native_get_num_image_encoding_quality_levels",
323                                               "(I)I",                   (void *)android_media_MediaProfiles_native_get_num_image_encoding_quality_levels},
324    {"native_get_image_encoding_quality_level","(II)I",                   (void *)android_media_MediaProfiles_native_get_image_encoding_quality_level},
325};
326
327static const char* const kEncoderCapabilitiesClassPathName = "android/media/EncoderCapabilities";
328static const char* const kDecoderCapabilitiesClassPathName = "android/media/DecoderCapabilities";
329static const char* const kCamcorderProfileClassPathName = "android/media/CamcorderProfile";
330static const char* const kCameraProfileClassPathName = "android/media/CameraProfile";
331
332// This function only registers the native methods, and is called from
333// JNI_OnLoad in android_media_MediaPlayer.cpp
334int register_android_media_MediaProfiles(JNIEnv *env)
335{
336    int ret1 = AndroidRuntime::registerNativeMethods(env,
337               kEncoderCapabilitiesClassPathName,
338               gMethodsForEncoderCapabilitiesClass,
339               NELEM(gMethodsForEncoderCapabilitiesClass));
340
341    int ret2 = AndroidRuntime::registerNativeMethods(env,
342               kCamcorderProfileClassPathName,
343               gMethodsForCamcorderProfileClass,
344               NELEM(gMethodsForCamcorderProfileClass));
345
346    int ret3 = AndroidRuntime::registerNativeMethods(env,
347               kDecoderCapabilitiesClassPathName,
348               gMethodsForDecoderCapabilitiesClass,
349               NELEM(gMethodsForDecoderCapabilitiesClass));
350
351    int ret4 = AndroidRuntime::registerNativeMethods(env,
352               kCameraProfileClassPathName,
353               gMethodsForCameraProfileClass,
354               NELEM(gMethodsForCameraProfileClass));
355
356    // Success if all return values from above are 0
357    return (ret1 || ret2 || ret3 || ret4);
358}
359