summaryrefslogtreecommitdiffstats
path: root/media/libmedia/IMediaPlayerService.cpp
blob: aa7b2e1417d0a896e578eec32bc7d804b50ac9a6 (plain)
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
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
/*
**
** Copyright 2008, 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.
*/

#include <stdint.h>
#include <sys/types.h>

#include <binder/Parcel.h>
#include <binder/IMemory.h>
#include <media/ICrypto.h>
#include <media/IDrm.h>
#include <media/IHDCP.h>
#include <media/IMediaCodecList.h>
#include <media/IMediaHTTPService.h>
#include <media/IMediaPlayerService.h>
#include <media/IMediaRecorder.h>
#include <media/IOMX.h>
#include <media/IRemoteDisplay.h>
#include <media/IRemoteDisplayClient.h>
#include <media/IStreamSource.h>

#include <utils/Errors.h>  // for status_t
#include <utils/String8.h>

namespace android {

enum {
    CREATE = IBinder::FIRST_CALL_TRANSACTION,
    CREATE_MEDIA_RECORDER,
    CREATE_METADATA_RETRIEVER,
    GET_OMX,
    MAKE_CRYPTO,
    MAKE_DRM,
    MAKE_HDCP,
    ADD_BATTERY_DATA,
    PULL_BATTERY_DATA,
    LISTEN_FOR_REMOTE_DISPLAY,
    GET_CODEC_LIST,
};

class BpMediaPlayerService: public BpInterface<IMediaPlayerService>
{
public:
    BpMediaPlayerService(const sp<IBinder>& impl)
        : BpInterface<IMediaPlayerService>(impl)
    {
    }

    virtual sp<IMediaMetadataRetriever> createMetadataRetriever()
    {
        Parcel data, reply;
        data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor());
        remote()->transact(CREATE_METADATA_RETRIEVER, data, &reply);
        return interface_cast<IMediaMetadataRetriever>(reply.readStrongBinder());
    }

    virtual sp<IMediaPlayer> create(
            const sp<IMediaPlayerClient>& client, int audioSessionId) {
        Parcel data, reply;
        data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor());
        data.writeStrongBinder(IInterface::asBinder(client));
        data.writeInt32(audioSessionId);

        remote()->transact(CREATE, data, &reply);
        return interface_cast<IMediaPlayer>(reply.readStrongBinder());
    }

    virtual sp<IMediaRecorder> createMediaRecorder()
    {
        Parcel data, reply;
        data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor());
        remote()->transact(CREATE_MEDIA_RECORDER, data, &reply);
        return interface_cast<IMediaRecorder>(reply.readStrongBinder());
    }

    virtual sp<IOMX> getOMX() {
        Parcel data, reply;
        data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor());
        remote()->transact(GET_OMX, data, &reply);
        return interface_cast<IOMX>(reply.readStrongBinder());
    }

    virtual sp<ICrypto> makeCrypto() {
        Parcel data, reply;
        data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor());
        remote()->transact(MAKE_CRYPTO, data, &reply);
        return interface_cast<ICrypto>(reply.readStrongBinder());
    }

    virtual sp<IDrm> makeDrm() {
        Parcel data, reply;
        data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor());
        remote()->transact(MAKE_DRM, data, &reply);
        return interface_cast<IDrm>(reply.readStrongBinder());
    }

    virtual sp<IHDCP> makeHDCP(bool createEncryptionModule) {
        Parcel data, reply;
        data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor());
        data.writeInt32(createEncryptionModule);
        remote()->transact(MAKE_HDCP, data, &reply);
        return interface_cast<IHDCP>(reply.readStrongBinder());
    }

    virtual void addBatteryData(uint32_t params) {
        Parcel data, reply;
        data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor());
        data.writeInt32(params);
        remote()->transact(ADD_BATTERY_DATA, data, &reply);
    }

    virtual status_t pullBatteryData(Parcel* reply) {
        Parcel data;
        data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor());
        return remote()->transact(PULL_BATTERY_DATA, data, reply);
    }

    virtual sp<IRemoteDisplay> listenForRemoteDisplay(const sp<IRemoteDisplayClient>& client,
            const String8& iface)
    {
        Parcel data, reply;
        data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor());
        data.writeStrongBinder(IInterface::asBinder(client));
        data.writeString8(iface);
        remote()->transact(LISTEN_FOR_REMOTE_DISPLAY, data, &reply);
        return interface_cast<IRemoteDisplay>(reply.readStrongBinder());
    }

    virtual sp<IMediaCodecList> getCodecList() const {
        Parcel data, reply;
        data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor());
        remote()->transact(GET_CODEC_LIST, data, &reply);
        return interface_cast<IMediaCodecList>(reply.readStrongBinder());
    }
};

IMPLEMENT_META_INTERFACE(MediaPlayerService, "android.media.IMediaPlayerService");

// ----------------------------------------------------------------------

status_t BnMediaPlayerService::onTransact(
    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
    switch (code) {
        case CREATE: {
            CHECK_INTERFACE(IMediaPlayerService, data, reply);
            sp<IMediaPlayerClient> client =
                interface_cast<IMediaPlayerClient>(data.readStrongBinder());
            int audioSessionId = data.readInt32();
            sp<IMediaPlayer> player = create(client, audioSessionId);
            reply->writeStrongBinder(IInterface::asBinder(player));
            return NO_ERROR;
        } break;
        case CREATE_MEDIA_RECORDER: {
            CHECK_INTERFACE(IMediaPlayerService, data, reply);
            sp<IMediaRecorder> recorder = createMediaRecorder();
            reply->writeStrongBinder(IInterface::asBinder(recorder));
            return NO_ERROR;
        } break;
        case CREATE_METADATA_RETRIEVER: {
            CHECK_INTERFACE(IMediaPlayerService, data, reply);
            sp<IMediaMetadataRetriever> retriever = createMetadataRetriever();
            reply->writeStrongBinder(IInterface::asBinder(retriever));
            return NO_ERROR;
        } break;
        case GET_OMX: {
            CHECK_INTERFACE(IMediaPlayerService, data, reply);
            sp<IOMX> omx = getOMX();
            reply->writeStrongBinder(IInterface::asBinder(omx));
            return NO_ERROR;
        } break;
        case MAKE_CRYPTO: {
            CHECK_INTERFACE(IMediaPlayerService, data, reply);
            sp<ICrypto> crypto = makeCrypto();
            reply->writeStrongBinder(IInterface::asBinder(crypto));
            return NO_ERROR;
        } break;
        case MAKE_DRM: {
            CHECK_INTERFACE(IMediaPlayerService, data, reply);
            sp<IDrm> drm = makeDrm();
            reply->writeStrongBinder(IInterface::asBinder(drm));
            return NO_ERROR;
        } break;
        case MAKE_HDCP: {
            CHECK_INTERFACE(IMediaPlayerService, data, reply);
            bool createEncryptionModule = data.readInt32();
            sp<IHDCP> hdcp = makeHDCP(createEncryptionModule);
            reply->writeStrongBinder(IInterface::asBinder(hdcp));
            return NO_ERROR;
        } break;
        case ADD_BATTERY_DATA: {
            CHECK_INTERFACE(IMediaPlayerService, data, reply);
            uint32_t params = data.readInt32();
            addBatteryData(params);
            return NO_ERROR;
        } break;
        case PULL_BATTERY_DATA: {
            CHECK_INTERFACE(IMediaPlayerService, data, reply);
            pullBatteryData(reply);
            return NO_ERROR;
        } break;
        case LISTEN_FOR_REMOTE_DISPLAY: {
            CHECK_INTERFACE(IMediaPlayerService, data, reply);
            sp<IRemoteDisplayClient> client(
                    interface_cast<IRemoteDisplayClient>(data.readStrongBinder()));
            String8 iface(data.readString8());
            sp<IRemoteDisplay> display(listenForRemoteDisplay(client, iface));
            reply->writeStrongBinder(IInterface::asBinder(display));
            return NO_ERROR;
        } break;
        case GET_CODEC_LIST: {
            CHECK_INTERFACE(IMediaPlayerService, data, reply);
            sp<IMediaCodecList> mcl = getCodecList();
            reply->writeStrongBinder(IInterface::asBinder(mcl));
            return NO_ERROR;
        } break;
        default:
            return BBinder::onTransact(code, data, reply, flags);
    }
}

// ----------------------------------------------------------------------------

} // namespace android