1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.mozilla.thirdparty.com.google.android.exoplayer2.mediacodec;
import android.media.MediaCodec;
import androidx.annotation.Nullable;
import org.mozilla.thirdparty.com.google.android.exoplayer2.mediacodec.MediaCodecUtil.DecoderQueryException;
import java.util.List;
/**
* Selector of {@link MediaCodec} instances.
*/
public interface MediaCodecSelector {
/**
* Default implementation of {@link MediaCodecSelector}, which returns the preferred decoder for
* the given format.
*/
MediaCodecSelector DEFAULT =
new MediaCodecSelector() {
@Override
public List<MediaCodecInfo> getDecoderInfos(
String mimeType, boolean requiresSecureDecoder, boolean requiresTunnelingDecoder)
throws DecoderQueryException {
return MediaCodecUtil.getDecoderInfos(
mimeType, requiresSecureDecoder, requiresTunnelingDecoder);
}
@Override
@Nullable
public MediaCodecInfo getPassthroughDecoderInfo() throws DecoderQueryException {
return MediaCodecUtil.getPassthroughDecoderInfo();
}
};
/**
* Returns a list of decoders that can decode media in the specified MIME type, in priority order.
*
* @param mimeType The MIME type for which a decoder is required.
* @param requiresSecureDecoder Whether a secure decoder is required.
* @param requiresTunnelingDecoder Whether a tunneling decoder is required.
* @return An unmodifiable list of {@link MediaCodecInfo}s corresponding to decoders. May be
* empty.
* @throws DecoderQueryException Thrown if there was an error querying decoders.
*/
List<MediaCodecInfo> getDecoderInfos(
String mimeType, boolean requiresSecureDecoder, boolean requiresTunnelingDecoder)
throws DecoderQueryException;
/**
* Selects a decoder to instantiate for audio passthrough.
*
* @return A {@link MediaCodecInfo} describing the decoder, or null if no suitable decoder exists.
* @throws DecoderQueryException Thrown if there was an error querying decoders.
*/
@Nullable
MediaCodecInfo getPassthroughDecoderInfo() throws DecoderQueryException;
}
|
