1 /*
2  * Copyright 2017, 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 #include <media/stagefright/RemoteMediaExtractor.h>
18 #include <media/stagefright/RemoteMediaSource.h>
19 #include <media/IMediaSource.h>
20 
21 namespace android {
22 
RemoteMediaSource(const sp<RemoteMediaExtractor> & extractor,MediaTrack * source,const sp<RefBase> & plugin)23 RemoteMediaSource::RemoteMediaSource(
24         const sp<RemoteMediaExtractor> &extractor,
25         MediaTrack *source,
26         const sp<RefBase> &plugin)
27     : mExtractor(extractor),
28       mTrack(source),
29       mExtractorPlugin(plugin) {}
30 
~RemoteMediaSource()31 RemoteMediaSource::~RemoteMediaSource() {
32     delete mTrack;
33     mExtractorPlugin = nullptr;
34 }
35 
start(MetaData * params)36 status_t RemoteMediaSource::start(MetaData *params) {
37     if (params) {
38         ALOGW("dropping start parameters:");
39         params->dumpToLog();
40     }
41     return mTrack->start();
42 }
43 
stop()44 status_t RemoteMediaSource::stop() {
45     return mTrack->stop();
46 }
47 
getFormat()48 sp<MetaData> RemoteMediaSource::getFormat() {
49     sp<MetaData> meta = new MetaData();
50     if (mTrack->getFormat(*meta.get()) == OK) {
51         return meta;
52     }
53     return nullptr;
54 }
55 
read(MediaBufferBase ** buffer,const MediaSource::ReadOptions * options)56 status_t RemoteMediaSource::read(
57         MediaBufferBase **buffer, const MediaSource::ReadOptions *options) {
58     return mTrack->read(buffer, reinterpret_cast<const MediaSource::ReadOptions*>(options));
59 }
60 
supportNonblockingRead()61 bool RemoteMediaSource::supportNonblockingRead() {
62     return mTrack->supportNonblockingRead();
63 }
64 
pause()65 status_t RemoteMediaSource::pause() {
66     return ERROR_UNSUPPORTED;
67 }
68 
setStopTimeUs(int64_t)69 status_t RemoteMediaSource::setStopTimeUs(int64_t /* stopTimeUs */) {
70     return ERROR_UNSUPPORTED;
71 }
72 
73 ////////////////////////////////////////////////////////////////////////////////
74 
75 // static
wrap(const sp<RemoteMediaExtractor> & extractor,MediaTrack * source,const sp<RefBase> & plugin)76 sp<IMediaSource> RemoteMediaSource::wrap(
77         const sp<RemoteMediaExtractor> &extractor,
78         MediaTrack *source, const sp<RefBase> &plugin) {
79     if (source == nullptr) {
80         return nullptr;
81     }
82     return new RemoteMediaSource(extractor, source, plugin);
83 }
84 
85 }  // namespace android
86