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" |
| 24 | |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 25 | #include <media/stagefright/DataSource.h> |
Andreas Huber | e6c4096 | 2009-09-10 14:13:30 -0700 | [diff] [blame] | 26 | #include <media/stagefright/MediaDefs.h> |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 27 | #include <media/stagefright/MediaExtractor.h> |
| 28 | #include <utils/String8.h> |
| 29 | |
| 30 | namespace android { |
| 31 | |
| 32 | // static |
Andreas Huber | be06d26 | 2009-08-14 14:37:10 -0700 | [diff] [blame] | 33 | sp<MediaExtractor> MediaExtractor::Create( |
| 34 | const sp<DataSource> &source, const char *mime) { |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 35 | String8 tmp; |
| 36 | if (mime == NULL) { |
| 37 | float confidence; |
| 38 | if (!source->sniff(&tmp, &confidence)) { |
| 39 | LOGE("FAILED to autodetect media content."); |
| 40 | |
| 41 | return NULL; |
| 42 | } |
| 43 | |
| 44 | mime = tmp.string(); |
Andreas Huber | ad28543 | 2009-10-22 09:44:00 -0700 | [diff] [blame] | 45 | LOGV("Autodetected media content as '%s' with confidence %.2f", |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 46 | mime, confidence); |
| 47 | } |
| 48 | |
Andreas Huber | e6c4096 | 2009-09-10 14:13:30 -0700 | [diff] [blame] | 49 | if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPEG4) |
| 50 | || !strcasecmp(mime, "audio/mp4")) { |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 51 | return new MPEG4Extractor(source); |
Andreas Huber | e6c4096 | 2009-09-10 14:13:30 -0700 | [diff] [blame] | 52 | } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_MPEG)) { |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 53 | return new MP3Extractor(source); |
Andreas Huber | e6c4096 | 2009-09-10 14:13:30 -0700 | [diff] [blame] | 54 | } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AMR_NB) |
| 55 | || !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AMR_WB)) { |
Andreas Huber | 5a65a6e | 2009-09-08 16:07:15 -0700 | [diff] [blame] | 56 | return new AMRExtractor(source); |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 57 | } |
| 58 | |
| 59 | return NULL; |
| 60 | } |
| 61 | |
| 62 | } // namespace android |