Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 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 | |
Andreas Huber | 57515f3 | 2009-10-23 09:55:10 -0700 | [diff] [blame] | 21 | #include "include/AMRExtractor.h" |
| 22 | #include "include/MP3Extractor.h" |
| 23 | #include "include/MPEG4Extractor.h" |
Andreas Huber | 6bce6d8 | 2009-11-03 16:00:58 -0800 | [diff] [blame] | 24 | #include "include/WAVExtractor.h" |
Andreas Huber | 388379f | 2010-05-07 10:35:13 -0700 | [diff] [blame] | 25 | #include "include/OggExtractor.h" |
Andreas Huber | a557b24 | 2010-06-07 13:05:37 -0700 | [diff] [blame] | 26 | #include "include/MPEG2TSExtractor.h" |
Andreas Huber | 57515f3 | 2009-10-23 09:55:10 -0700 | [diff] [blame] | 27 | |
Andreas Huber | 072f524 | 2010-05-20 14:56:53 -0700 | [diff] [blame] | 28 | #include "matroska/MatroskaExtractor.h" |
| 29 | |
Andreas Huber | efdd088 | 2010-08-25 11:09:41 -0700 | [diff] [blame^] | 30 | #include <media/stagefright/foundation/AMessage.h> |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 31 | #include <media/stagefright/DataSource.h> |
Andreas Huber | e6c4096 | 2009-09-10 14:13:30 -0700 | [diff] [blame] | 32 | #include <media/stagefright/MediaDefs.h> |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 33 | #include <media/stagefright/MediaExtractor.h> |
Andreas Huber | aee3c63 | 2010-01-11 15:35:19 -0800 | [diff] [blame] | 34 | #include <media/stagefright/MetaData.h> |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 35 | #include <utils/String8.h> |
| 36 | |
| 37 | namespace android { |
| 38 | |
Andreas Huber | aee3c63 | 2010-01-11 15:35:19 -0800 | [diff] [blame] | 39 | sp<MetaData> MediaExtractor::getMetaData() { |
| 40 | return new MetaData; |
| 41 | } |
| 42 | |
Andreas Huber | 62f7ffe | 2010-05-06 10:18:05 -0700 | [diff] [blame] | 43 | uint32_t MediaExtractor::flags() const { |
| 44 | return CAN_SEEK_BACKWARD | CAN_SEEK_FORWARD | CAN_PAUSE; |
| 45 | } |
| 46 | |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 47 | // static |
Andreas Huber | be06d26 | 2009-08-14 14:37:10 -0700 | [diff] [blame] | 48 | sp<MediaExtractor> MediaExtractor::Create( |
| 49 | const sp<DataSource> &source, const char *mime) { |
Andreas Huber | efdd088 | 2010-08-25 11:09:41 -0700 | [diff] [blame^] | 50 | sp<AMessage> meta; |
| 51 | |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 52 | String8 tmp; |
| 53 | if (mime == NULL) { |
| 54 | float confidence; |
Andreas Huber | efdd088 | 2010-08-25 11:09:41 -0700 | [diff] [blame^] | 55 | if (!source->sniff(&tmp, &confidence, &meta)) { |
Andreas Huber | aee3c63 | 2010-01-11 15:35:19 -0800 | [diff] [blame] | 56 | LOGV("FAILED to autodetect media content."); |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 57 | |
| 58 | return NULL; |
| 59 | } |
| 60 | |
| 61 | mime = tmp.string(); |
Andreas Huber | ad28543 | 2009-10-22 09:44:00 -0700 | [diff] [blame] | 62 | LOGV("Autodetected media content as '%s' with confidence %.2f", |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 63 | mime, confidence); |
| 64 | } |
| 65 | |
Andreas Huber | e6c4096 | 2009-09-10 14:13:30 -0700 | [diff] [blame] | 66 | if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPEG4) |
| 67 | || !strcasecmp(mime, "audio/mp4")) { |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 68 | return new MPEG4Extractor(source); |
Andreas Huber | e6c4096 | 2009-09-10 14:13:30 -0700 | [diff] [blame] | 69 | } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_MPEG)) { |
Andreas Huber | efdd088 | 2010-08-25 11:09:41 -0700 | [diff] [blame^] | 70 | return new MP3Extractor(source, meta); |
Andreas Huber | e6c4096 | 2009-09-10 14:13:30 -0700 | [diff] [blame] | 71 | } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AMR_NB) |
| 72 | || !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AMR_WB)) { |
Andreas Huber | 5a65a6e | 2009-09-08 16:07:15 -0700 | [diff] [blame] | 73 | return new AMRExtractor(source); |
Andreas Huber | 6bce6d8 | 2009-11-03 16:00:58 -0800 | [diff] [blame] | 74 | } else if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_WAV)) { |
| 75 | return new WAVExtractor(source); |
Andreas Huber | 388379f | 2010-05-07 10:35:13 -0700 | [diff] [blame] | 76 | } else if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_OGG)) { |
| 77 | return new OggExtractor(source); |
Andreas Huber | 072f524 | 2010-05-20 14:56:53 -0700 | [diff] [blame] | 78 | } else if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MATROSKA)) { |
| 79 | return new MatroskaExtractor(source); |
Andreas Huber | a557b24 | 2010-06-07 13:05:37 -0700 | [diff] [blame] | 80 | } else if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPEG2TS)) { |
| 81 | return new MPEG2TSExtractor(source); |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 82 | } |
| 83 | |
| 84 | return NULL; |
| 85 | } |
| 86 | |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 87 | } // namespace android |