IAudioDecoderCapabilities.c revision 262059f71a68edc5e510427c63f5f1623d3672a8 
1/*
2 * Copyright (C) 2010 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/* AudioDecoderCapabilities implementation */
18
19#include "sles_allinclusive.h"
20
21
22static SLresult IAudioDecoderCapabilities_GetAudioDecoders(SLAudioDecoderCapabilitiesItf self,
23    SLuint32 *pNumDecoders, SLuint32 *pDecoderIds)
24{
25    SL_ENTER_INTERFACE
26
27    if (NULL == pNumDecoders) {
28        result = SL_RESULT_PARAMETER_INVALID;
29    } else {
30        if (NULL == pDecoderIds) {
31            *pNumDecoders = MAX_DECODERS;
32        } else {
33            SLuint32 numDecoders = *pNumDecoders;
34            if (MAX_DECODERS <= numDecoders)
35                *pNumDecoders = numDecoders = MAX_DECODERS;
36            memcpy(pDecoderIds, Decoder_IDs, numDecoders * sizeof(SLuint32));
37        }
38        result = SL_RESULT_SUCCESS;
39    }
40
41    SL_LEAVE_INTERFACE
42}
43
44
45static SLresult IAudioDecoderCapabilities_GetAudioDecoderCapabilities(
46    SLAudioDecoderCapabilitiesItf self, SLuint32 decoderId, SLuint32 *pIndex,
47    SLAudioCodecDescriptor *pDescriptor)
48{
49    SL_ENTER_INTERFACE
50
51    result = GetCodecCapabilities(decoderId, pIndex, pDescriptor, DecoderDescriptors);
52
53    SL_LEAVE_INTERFACE
54}
55
56
57static const struct SLAudioDecoderCapabilitiesItf_ IAudioDecoderCapabilities_Itf = {
58    IAudioDecoderCapabilities_GetAudioDecoders,
59    IAudioDecoderCapabilities_GetAudioDecoderCapabilities
60};
61
62void IAudioDecoderCapabilities_init(void *self)
63{
64    IAudioDecoderCapabilities *this = (IAudioDecoderCapabilities *) self;
65    this->mItf = &IAudioDecoderCapabilities_Itf;
66}
67