1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
/*
* Copyright 2019, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
//#define LOG_NDEBUG 0
#define LOG_TAG "MediaTranscodeManager_JNI"
#include "android_runtime/AndroidRuntime.h"
#include "jni.h"
#include <nativehelper/JNIHelp.h>
#include <utils/Log.h>
namespace {
// NOTE: Keep these enums in sync with their equivalents in MediaTranscodeManager.java.
enum {
ID_INVALID = -1
};
enum {
EVENT_JOB_STARTED = 1,
EVENT_JOB_PROGRESSED = 2,
EVENT_JOB_FINISHED = 3,
};
enum {
RESULT_NONE = 1,
RESULT_SUCCESS = 2,
RESULT_ERROR = 3,
RESULT_CANCELED = 4,
};
struct {
jmethodID postEventFromNative;
} gMediaTranscodeManagerClassInfo;
using namespace android;
void android_media_MediaTranscodeManager_native_init(JNIEnv *env, jclass clazz) {
ALOGV("android_media_MediaTranscodeManager_native_init");
gMediaTranscodeManagerClassInfo.postEventFromNative = env->GetMethodID(
clazz, "postEventFromNative", "(IJI)V");
LOG_ALWAYS_FATAL_IF(gMediaTranscodeManagerClassInfo.postEventFromNative == NULL,
"can't find android/media/MediaTranscodeManager.postEventFromNative");
}
jlong android_media_MediaTranscodeManager_requestUniqueJobID(
JNIEnv *env __unused, jobject thiz __unused) {
ALOGV("android_media_MediaTranscodeManager_reserveUniqueJobID");
static std::atomic_int32_t sJobIDCounter{0};
jlong id = (jlong)++sJobIDCounter;
return id;
}
jboolean android_media_MediaTranscodeManager_enqueueTranscodingRequest(
JNIEnv *env, jobject thiz, jlong id, jobject request, jobject context __unused) {
ALOGV("android_media_MediaTranscodeManager_enqueueTranscodingRequest");
if (!request) {
return ID_INVALID;
}
env->CallVoidMethod(thiz, gMediaTranscodeManagerClassInfo.postEventFromNative,
EVENT_JOB_FINISHED, id, RESULT_ERROR);
return true;
}
void android_media_MediaTranscodeManager_cancelTranscodingRequest(
JNIEnv *env __unused, jobject thiz __unused, jlong jobID __unused) {
ALOGV("android_media_MediaTranscodeManager_cancelTranscodingRequest");
}
const JNINativeMethod gMethods[] = {
{ "native_init", "()V",
(void *)android_media_MediaTranscodeManager_native_init },
{ "native_requestUniqueJobID", "()J",
(void *)android_media_MediaTranscodeManager_requestUniqueJobID },
{ "native_enqueueTranscodingRequest",
"(JLandroid/media/MediaTranscodeManager$TranscodingRequest;Landroid/content/Context;)Z",
(void *)android_media_MediaTranscodeManager_enqueueTranscodingRequest },
{ "native_cancelTranscodingRequest", "(J)V",
(void *)android_media_MediaTranscodeManager_cancelTranscodingRequest },
};
} // namespace anonymous
int register_android_media_MediaTranscodeManager(JNIEnv *env) {
return AndroidRuntime::registerNativeMethods(env,
"android/media/MediaTranscodeManager", gMethods, NELEM(gMethods));
}
|
