1 /*
2 * Copyright (C) 2009 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 "MediaExtractor"
19 #include <utils/Log.h>
20 #include <pwd.h>
21
22 #include <media/stagefright/foundation/ADebug.h>
23 #include <media/stagefright/MediaExtractor.h>
24 #include <media/stagefright/MetaData.h>
25 #include <media/stagefright/Utils.h>
26 #include <media/NdkMediaFormatPriv.h>
27 #include <media/NdkMediaErrorPriv.h>
28
29 namespace android {
30
MediaExtractor()31 MediaExtractor::MediaExtractor() {
32 if (!LOG_NDEBUG) {
33 uid_t uid = getuid();
34 struct passwd *pw = getpwuid(uid);
35 ALOGV("extractor created in uid: %d (%s)", getuid(), pw->pw_name);
36 }
37 }
38
~MediaExtractor()39 MediaExtractor::~MediaExtractor() {}
40
flags() const41 uint32_t MediaExtractor::flags() const {
42 return CAN_SEEK_BACKWARD | CAN_SEEK_FORWARD | CAN_PAUSE | CAN_SEEK;
43 }
44
45 // --------------------------------------------------------------------------------
MediaExtractorCUnwrapper(CMediaExtractor * plugin)46 MediaExtractorCUnwrapper::MediaExtractorCUnwrapper(CMediaExtractor *plugin) {
47 this->plugin = plugin;
48 }
49
~MediaExtractorCUnwrapper()50 MediaExtractorCUnwrapper::~MediaExtractorCUnwrapper() {
51 plugin->free(plugin->data);
52 free(plugin);
53 }
54
countTracks()55 size_t MediaExtractorCUnwrapper::countTracks() {
56 return plugin->countTracks(plugin->data);
57 }
58
getTrack(size_t index)59 MediaTrack *MediaExtractorCUnwrapper::getTrack(size_t index) {
60 return MediaTrackCUnwrapper::create(plugin->getTrack(plugin->data, index));
61 }
62
getTrackMetaData(MetaDataBase & meta,size_t index,uint32_t flags)63 status_t MediaExtractorCUnwrapper::getTrackMetaData(
64 MetaDataBase& meta, size_t index, uint32_t flags) {
65 sp<AMessage> msg = new AMessage();
66 AMediaFormat *format = AMediaFormat_fromMsg(&msg);
67 media_status_t ret = plugin->getTrackMetaData(plugin->data, format, index, flags);
68 sp<MetaData> newMeta = new MetaData();
69 convertMessageToMetaData(msg, newMeta);
70 delete format;
71 meta = *newMeta;
72 return reverse_translate_error(ret);
73 }
74
getMetaData(MetaDataBase & meta)75 status_t MediaExtractorCUnwrapper::getMetaData(MetaDataBase& meta) {
76 sp<AMessage> msg = new AMessage();
77 AMediaFormat *format = AMediaFormat_fromMsg(&msg);
78 media_status_t ret = plugin->getMetaData(plugin->data, format);
79 sp<MetaData> newMeta = new MetaData();
80 convertMessageToMetaData(msg, newMeta);
81 delete format;
82 meta = *newMeta;
83 return reverse_translate_error(ret);
84 }
85
name()86 const char * MediaExtractorCUnwrapper::name() {
87 return plugin->name(plugin->data);
88 }
89
flags() const90 uint32_t MediaExtractorCUnwrapper::flags() const {
91 return plugin->flags(plugin->data);
92 }
93
setMediaCas(const uint8_t * casToken,size_t size)94 status_t MediaExtractorCUnwrapper::setMediaCas(const uint8_t* casToken, size_t size) {
95 return plugin->setMediaCas(plugin->data, casToken, size);
96 }
97
98 } // namespace android
99