IAudioEncoderCapabilities.c revision bcc5c7225e3b7a1dbf2e9e830987f69167acf06f 
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/* AudioEncoderCapabilities implementation */
18
19#include "sles_allinclusive.h"
20
21
22static SLresult IAudioEncoderCapabilities_GetAudioEncoders(SLAudioEncoderCapabilitiesItf self,
23    SLuint32 *pNumEncoders, SLuint32 *pEncoderIds)
24{
25    SL_ENTER_INTERFACE
26
27    if (NULL == pNumEncoders) {
28        result = SL_RESULT_PARAMETER_INVALID;
29    } else {
30        if (NULL == pEncoderIds) {
31            *pNumEncoders = MAX_ENCODERS;
32        } else {
33            SLuint32 numEncoders = *pNumEncoders;
34            if (MAX_ENCODERS <= numEncoders)
35                *pNumEncoders = numEncoders = MAX_ENCODERS;
36            memcpy(pEncoderIds, Encoder_IDs, numEncoders * sizeof(SLuint32));
37        }
38        result = SL_RESULT_SUCCESS;
39    }
40
41    SL_LEAVE_INTERFACE
42}
43
44
45static SLresult IAudioEncoderCapabilities_GetAudioEncoderCapabilities(
46    SLAudioEncoderCapabilitiesItf self, SLuint32 encoderId, SLuint32 *pIndex,
47    SLAudioCodecDescriptor *pDescriptor)
48{
49    SL_ENTER_INTERFACE
50
51    result = GetCodecCapabilities(encoderId, pIndex, pDescriptor,
52        EncoderDescriptors);
53
54    SL_LEAVE_INTERFACE
55}
56
57
58static const struct SLAudioEncoderCapabilitiesItf_ IAudioEncoderCapabilities_Itf = {
59    IAudioEncoderCapabilities_GetAudioEncoders,
60    IAudioEncoderCapabilities_GetAudioEncoderCapabilities
61};
62
63void IAudioEncoderCapabilities_init(void *self)
64{
65    IAudioEncoderCapabilities *thiz = (IAudioEncoderCapabilities *) self;
66    thiz->mItf = &IAudioEncoderCapabilities_Itf;
67}
68