handlers.c revision 7b726bdcd996f1cab3a584c04ce1afc07bc8fbe7 
1/*
2 * Copyright (C) 2011 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#include "SLES/OpenSLES.h"
18#include "OMXAL/OpenMAXAL.h"
19#include "attr.h"
20#include "handlers.h"
21
22/* The entries in this table are sorted first by object ID, and second
23 * by attribute mask. The holes in the table are deliberate to permit
24 * direct lookup. Don't cross streams!
25 */
26const AttributeHandler handlerTable[1 + XA_OBJECTID_CAMERADEVICE +
27        (SL_OBJECTID_METADATAEXTRACTOR - SL_OBJECTID_ENGINE) + 1][ATTR_INDEX_MAX] = {
28
29// XA IDs map directly to table indices
30
31    [XA_OBJECTID_MEDIAPLAYER] = {
32        [ATTR_INDEX_GAIN]        = handler_MediaPlayer_gain,
33        [ATTR_INDEX_TRANSPORT]   = handler_MediaPlayer_transport,
34        [ATTR_INDEX_POSITION]    = handler_MediaPlayer_position,
35        [ATTR_INDEX_ABQ_ENQUEUE] = handler_MediaPlayer_abq_enqueue},
36
37// SL IDs need a little arithmetic to make them contiguous with XA IDs
38#define _(id) ((id) - SL_OBJECTID_ENGINE + XA_OBJECTID_CAMERADEVICE + 1)
39
40    [_(SL_OBJECTID_AUDIOPLAYER)] = {
41        [ATTR_INDEX_GAIN]        = handler_AudioPlayer_gain,
42        [ATTR_INDEX_TRANSPORT]   = handler_AudioPlayer_transport,
43        [ATTR_INDEX_POSITION]    = handler_AudioPlayer_position,
44        [ATTR_INDEX_BQ_ENQUEUE]  = handler_AudioPlayer_bq_enqueue,
45        [ATTR_INDEX_ABQ_ENQUEUE] = handler_AudioPlayer_abq_enqueue},
46
47    [_(SL_OBJECTID_AUDIORECORDER)] = {
48        [ATTR_INDEX_TRANSPORT]   = handler_AudioRecorder_transport},
49
50    [_(SL_OBJECTID_MIDIPLAYER)] = {
51        [ATTR_INDEX_GAIN]        = handler_MidiPlayer_gain,
52        [ATTR_INDEX_POSITION]    = handler_MidiPlayer_position},
53
54    [_(SL_OBJECTID_OUTPUTMIX)] = {
55        [ATTR_INDEX_GAIN]        = handler_OutputMix_gain},
56
57};
58