1 /*
2 * Copyright 2018, 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 #ifndef A_MEDIA_DATA_SOURCE_CALLBACKS_H
18
19 #define A_MEDIA_DATA_SOURCE_CALLBACKS_H
20
21 #include <media/DataSource.h>
22 #include <media/NdkMediaDataSource.h>
23 #include <media/NdkMediaError.h>
24 #include <sys/types.h>
25
26 namespace android {
27
28 ssize_t DataSource_getSize(void *userdata);
29
30 ssize_t DataSource_readAt(void *userdata, off64_t offset, void * buf, size_t size);
31
32 void DataSource_close(void *userdata);
33
34 ssize_t DataSource_getAvailableSize(void *userdata, off64_t offset);
35
convertDataSourceToAMediaDataSource(const sp<DataSource> & source)36 static inline AMediaDataSource* convertDataSourceToAMediaDataSource(const sp<DataSource> &source) {
37 if (source == NULL) {
38 return NULL;
39 }
40 AMediaDataSource *mSource = AMediaDataSource_new();
41 AMediaDataSource_setUserdata(mSource, source.get());
42 AMediaDataSource_setReadAt(mSource, DataSource_readAt);
43 AMediaDataSource_setGetSize(mSource, DataSource_getSize);
44 AMediaDataSource_setClose(mSource, DataSource_close);
45 AMediaDataSource_setGetAvailableSize(mSource, DataSource_getAvailableSize);
46 return mSource;
47 }
48
49 } // namespace android
50
51 #endif // A_MEDIA_DATA_SOURCE_CALLBACKS_H
52