2 * Copyright (C) 2009 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 //#define LOG_NDEBUG 0
18 #define LOG_TAG "MediaExtractor"
19 #include <utils/Log.h>
21 #include "include/AMRExtractor.h"
22 #include "include/MP3Extractor.h"
23 #include "include/MPEG4Extractor.h"
24 #include "include/WAVExtractor.h"
25 #include "include/OggExtractor.h"
26 #include "include/MPEG2TSExtractor.h"
28 #include "matroska/MatroskaExtractor.h"
30 #include <media/stagefright/foundation/AMessage.h>
31 #include <media/stagefright/DataSource.h>
32 #include <media/stagefright/MediaDefs.h>
33 #include <media/stagefright/MediaExtractor.h>
34 #include <media/stagefright/MetaData.h>
35 #include <utils/String8.h>
39 sp<MetaData> MediaExtractor::getMetaData() {
43 uint32_t MediaExtractor::flags() const {
44 return CAN_SEEK_BACKWARD | CAN_SEEK_FORWARD | CAN_PAUSE | CAN_SEEK;
48 sp<MediaExtractor> MediaExtractor::Create(
49 const sp<DataSource> &source, const char *mime) {
55 if (!source->sniff(&tmp, &confidence, &meta)) {
56 LOGV("FAILED to autodetect media content.");
62 LOGV("Autodetected media content as '%s' with confidence %.2f",
66 if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPEG4)
67 || !strcasecmp(mime, "audio/mp4")) {
68 return new MPEG4Extractor(source);
69 } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_MPEG)) {
70 return new MP3Extractor(source, meta);
71 } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AMR_NB)
72 || !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AMR_WB)) {
73 return new AMRExtractor(source);
74 } else if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_WAV)) {
75 return new WAVExtractor(source);
76 } else if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_OGG)) {
77 return new OggExtractor(source);
78 } else if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MATROSKA)) {
79 return new MatroskaExtractor(source);
80 } else if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPEG2TS)) {
81 return new MPEG2TSExtractor(source);
87 } // namespace android