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 | |
| 21 | #include <media/stagefright/DataSource.h> |
| 22 | #include <media/stagefright/MP3Extractor.h> |
| 23 | #include <media/stagefright/MPEG4Extractor.h> |
| 24 | #include <media/stagefright/MediaExtractor.h> |
| 25 | #include <utils/String8.h> |
| 26 | |
| 27 | namespace android { |
| 28 | |
| 29 | // static |
Andreas Huber | be06d26 | 2009-08-14 14:37:10 -0700 | [diff] [blame^] | 30 | sp<MediaExtractor> MediaExtractor::Create( |
| 31 | const sp<DataSource> &source, const char *mime) { |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 32 | String8 tmp; |
| 33 | if (mime == NULL) { |
| 34 | float confidence; |
| 35 | if (!source->sniff(&tmp, &confidence)) { |
| 36 | LOGE("FAILED to autodetect media content."); |
| 37 | |
| 38 | return NULL; |
| 39 | } |
| 40 | |
| 41 | mime = tmp.string(); |
| 42 | LOGI("Autodetected media content as '%s' with confidence %.2f", |
| 43 | mime, confidence); |
| 44 | } |
| 45 | |
| 46 | if (!strcasecmp(mime, "video/mp4") || !strcasecmp(mime, "audio/mp4")) { |
| 47 | return new MPEG4Extractor(source); |
| 48 | } else if (!strcasecmp(mime, "audio/mpeg")) { |
| 49 | return new MP3Extractor(source); |
| 50 | } |
| 51 | |
| 52 | return NULL; |
| 53 | } |
| 54 | |
| 55 | } // namespace android |