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 | |
Andreas Huber | 57515f3 | 2009-10-23 09:55:10 -0700 | [diff] [blame] | 17 | #include "include/AMRExtractor.h" |
| 18 | #include "include/MP3Extractor.h" |
| 19 | #include "include/MPEG4Extractor.h" |
Andreas Huber | 6bce6d8 | 2009-11-03 16:00:58 -0800 | [diff] [blame] | 20 | #include "include/WAVExtractor.h" |
Andreas Huber | 388379f | 2010-05-07 10:35:13 -0700 | [diff] [blame] | 21 | #include "include/OggExtractor.h" |
Andreas Huber | a557b24 | 2010-06-07 13:05:37 -0700 | [diff] [blame] | 22 | #include "include/MPEG2TSExtractor.h" |
Andreas Huber | 4d61f60 | 2010-06-10 11:17:50 -0700 | [diff] [blame] | 23 | #include "include/NuCachedSource2.h" |
| 24 | #include "include/NuHTTPDataSource.h" |
Gloria Wang | d577091 | 2010-06-22 13:55:38 -0700 | [diff] [blame] | 25 | #include "include/DRMExtractor.h" |
Andreas Huber | 57515f3 | 2009-10-23 09:55:10 -0700 | [diff] [blame] | 26 | |
Andreas Huber | 072f524 | 2010-05-20 14:56:53 -0700 | [diff] [blame] | 27 | #include "matroska/MatroskaExtractor.h" |
| 28 | |
Andreas Huber | efdd088 | 2010-08-25 11:09:41 -0700 | [diff] [blame] | 29 | #include <media/stagefright/foundation/AMessage.h> |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 30 | #include <media/stagefright/DataSource.h> |
Andreas Huber | aee3c63 | 2010-01-11 15:35:19 -0800 | [diff] [blame] | 31 | #include <media/stagefright/FileSource.h> |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 32 | #include <media/stagefright/MediaErrors.h> |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 33 | #include <utils/String8.h> |
| 34 | |
Gloria Wang | 3f9a819 | 2010-10-29 14:50:17 -0700 | [diff] [blame] | 35 | #include <cutils/properties.h> |
| 36 | |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 37 | namespace android { |
| 38 | |
James Dong | b1262a8 | 2010-11-16 14:04:54 -0800 | [diff] [blame^] | 39 | bool DataSource::getUInt16(off64_t offset, uint16_t *x) { |
Andreas Huber | be06d26 | 2009-08-14 14:37:10 -0700 | [diff] [blame] | 40 | *x = 0; |
| 41 | |
| 42 | uint8_t byte[2]; |
Andreas Huber | 9a12baf | 2009-10-23 10:22:30 -0700 | [diff] [blame] | 43 | if (readAt(offset, byte, 2) != 2) { |
Andreas Huber | be06d26 | 2009-08-14 14:37:10 -0700 | [diff] [blame] | 44 | return false; |
| 45 | } |
| 46 | |
| 47 | *x = (byte[0] << 8) | byte[1]; |
| 48 | |
| 49 | return true; |
| 50 | } |
| 51 | |
James Dong | b1262a8 | 2010-11-16 14:04:54 -0800 | [diff] [blame^] | 52 | status_t DataSource::getSize(off64_t *size) { |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 53 | *size = 0; |
| 54 | |
| 55 | return ERROR_UNSUPPORTED; |
| 56 | } |
| 57 | |
| 58 | //////////////////////////////////////////////////////////////////////////////// |
| 59 | |
| 60 | Mutex DataSource::gSnifferMutex; |
| 61 | List<DataSource::SnifferFunc> DataSource::gSniffers; |
| 62 | |
Andreas Huber | efdd088 | 2010-08-25 11:09:41 -0700 | [diff] [blame] | 63 | bool DataSource::sniff( |
| 64 | String8 *mimeType, float *confidence, sp<AMessage> *meta) { |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 65 | *mimeType = ""; |
| 66 | *confidence = 0.0f; |
Andreas Huber | efdd088 | 2010-08-25 11:09:41 -0700 | [diff] [blame] | 67 | meta->clear(); |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 68 | |
| 69 | Mutex::Autolock autoLock(gSnifferMutex); |
| 70 | for (List<SnifferFunc>::iterator it = gSniffers.begin(); |
| 71 | it != gSniffers.end(); ++it) { |
| 72 | String8 newMimeType; |
| 73 | float newConfidence; |
Andreas Huber | efdd088 | 2010-08-25 11:09:41 -0700 | [diff] [blame] | 74 | sp<AMessage> newMeta; |
| 75 | if ((*it)(this, &newMimeType, &newConfidence, &newMeta)) { |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 76 | if (newConfidence > *confidence) { |
| 77 | *mimeType = newMimeType; |
| 78 | *confidence = newConfidence; |
Andreas Huber | efdd088 | 2010-08-25 11:09:41 -0700 | [diff] [blame] | 79 | *meta = newMeta; |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 80 | } |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | return *confidence > 0.0; |
| 85 | } |
| 86 | |
| 87 | // static |
| 88 | void DataSource::RegisterSniffer(SnifferFunc func) { |
| 89 | Mutex::Autolock autoLock(gSnifferMutex); |
| 90 | |
| 91 | for (List<SnifferFunc>::iterator it = gSniffers.begin(); |
| 92 | it != gSniffers.end(); ++it) { |
| 93 | if (*it == func) { |
| 94 | return; |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | gSniffers.push_back(func); |
| 99 | } |
| 100 | |
| 101 | // static |
| 102 | void DataSource::RegisterDefaultSniffers() { |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 103 | RegisterSniffer(SniffMPEG4); |
Andreas Huber | 072f524 | 2010-05-20 14:56:53 -0700 | [diff] [blame] | 104 | RegisterSniffer(SniffMatroska); |
Andreas Huber | efdd088 | 2010-08-25 11:09:41 -0700 | [diff] [blame] | 105 | RegisterSniffer(SniffOgg); |
| 106 | RegisterSniffer(SniffWAV); |
| 107 | RegisterSniffer(SniffAMR); |
Andreas Huber | a557b24 | 2010-06-07 13:05:37 -0700 | [diff] [blame] | 108 | RegisterSniffer(SniffMPEG2TS); |
Andreas Huber | efdd088 | 2010-08-25 11:09:41 -0700 | [diff] [blame] | 109 | RegisterSniffer(SniffMP3); |
Gloria Wang | 3f9a819 | 2010-10-29 14:50:17 -0700 | [diff] [blame] | 110 | |
| 111 | char value[PROPERTY_VALUE_MAX]; |
| 112 | if (property_get("drm.service.enabled", value, NULL) |
| 113 | && (!strcmp(value, "1") || !strcasecmp(value, "true"))) { |
| 114 | RegisterSniffer(SniffDRM); |
| 115 | } |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 116 | } |
| 117 | |
Andreas Huber | aee3c63 | 2010-01-11 15:35:19 -0800 | [diff] [blame] | 118 | // static |
Andreas Huber | 433c9ac | 2010-01-27 16:49:05 -0800 | [diff] [blame] | 119 | sp<DataSource> DataSource::CreateFromURI( |
| 120 | const char *uri, const KeyedVector<String8, String8> *headers) { |
Andreas Huber | aee3c63 | 2010-01-11 15:35:19 -0800 | [diff] [blame] | 121 | sp<DataSource> source; |
| 122 | if (!strncasecmp("file://", uri, 7)) { |
| 123 | source = new FileSource(uri + 7); |
| 124 | } else if (!strncasecmp("http://", uri, 7)) { |
Andreas Huber | 4d61f60 | 2010-06-10 11:17:50 -0700 | [diff] [blame] | 125 | sp<NuHTTPDataSource> httpSource = new NuHTTPDataSource; |
Andreas Huber | 3a53dc5 | 2010-06-11 09:57:46 -0700 | [diff] [blame] | 126 | if (httpSource->connect(uri, headers) != OK) { |
Andreas Huber | edbb4d8 | 2010-03-12 08:59:22 -0800 | [diff] [blame] | 127 | return NULL; |
| 128 | } |
Andreas Huber | 4d61f60 | 2010-06-10 11:17:50 -0700 | [diff] [blame] | 129 | source = new NuCachedSource2(httpSource); |
Andreas Huber | aee3c63 | 2010-01-11 15:35:19 -0800 | [diff] [blame] | 130 | } else { |
| 131 | // Assume it's a filename. |
| 132 | source = new FileSource(uri); |
| 133 | } |
| 134 | |
| 135 | if (source == NULL || source->initCheck() != OK) { |
| 136 | return NULL; |
| 137 | } |
| 138 | |
| 139 | return source; |
| 140 | } |
| 141 | |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 142 | } // namespace android |