1 /*
2 * Copyright (C) 2012 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 "TimedTextSource"
19#include <utils/Log.h>
20
21#include <media/stagefright/foundation/ADebug.h>  // CHECK_XX macro
22#include <media/stagefright/DataSource.h>
23#include <media/stagefright/MediaDefs.h>  // for MEDIA_MIMETYPE_xxx
24#include <media/stagefright/MediaSource.h>
25#include <media/stagefright/MetaData.h>
26
27#include "TimedTextSource.h"
28
29#include "TimedText3GPPSource.h"
30#include "TimedTextSRTSource.h"
31
32namespace android {
33
34// static
35sp<TimedTextSource> TimedTextSource::CreateTimedTextSource(
36        const sp<MediaSource>& mediaSource) {
37    const char *mime;
38    CHECK(mediaSource->getFormat()->findCString(kKeyMIMEType, &mime));
39    if (strcasecmp(mime, MEDIA_MIMETYPE_TEXT_3GPP) == 0) {
40        return new TimedText3GPPSource(mediaSource);
41    }
42    ALOGE("Unsupported mime type for subtitle. : %s", mime);
43    return NULL;
44}
45
46// static
47sp<TimedTextSource> TimedTextSource::CreateTimedTextSource(
48        const sp<DataSource>& dataSource, FileType filetype) {
49    switch(filetype) {
50        case OUT_OF_BAND_FILE_SRT:
51            return new TimedTextSRTSource(dataSource);
52        case OUT_OF_BAND_FILE_SMI:
53            // TODO: Implement for SMI.
54            ALOGE("Supporting SMI is not implemented yet");
55            break;
56        default:
57            ALOGE("Undefined subtitle format. : %d", filetype);
58    }
59    return NULL;
60}
61
62sp<MetaData> TimedTextSource::getFormat() {
63    return NULL;
64}
65
66}  // namespace android
67