1 /*
2 * Copyright (c) 2009-2011 Intel Corporation.  All rights reserved.
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 "VideoDecoderWMV.h"
18 #include "VideoDecoderMPEG4.h"
19 #include "VideoDecoderAVC.h"
20 
21 #ifdef USE_INTEL_SECURE_AVC
22 #include "VideoDecoderAVCSecure.h"
23 #endif
24 
25 #ifdef USE_HW_VP8
26 #include "VideoDecoderVP8.h"
27 #endif
28 #include "VideoDecoderHost.h"
29 #include "VideoDecoderTrace.h"
30 #include <string.h>
31 
createVideoDecoder(const char * mimeType)32 IVideoDecoder* createVideoDecoder(const char* mimeType) {
33     if (mimeType == NULL) {
34         ETRACE("NULL mime type.");
35         return NULL;
36     }
37 
38     if (strcasecmp(mimeType, "video/wmv") == 0 ||
39         strcasecmp(mimeType, "video/vc1") == 0 ||
40         strcasecmp(mimeType, "video/x-ms-wmv") == 0) {
41         VideoDecoderWMV *p = new VideoDecoderWMV(mimeType);
42         return (IVideoDecoder *)p;
43     } else if (strcasecmp(mimeType, "video/avc") == 0 ||
44                strcasecmp(mimeType, "video/h264") == 0) {
45         VideoDecoderAVC *p = new VideoDecoderAVC(mimeType);
46         return (IVideoDecoder *)p;
47     } else if (strcasecmp(mimeType, "video/mp4v-es") == 0 ||
48                strcasecmp(mimeType, "video/mpeg4") == 0 ||
49                strcasecmp(mimeType, "video/h263") == 0 ||
50                strcasecmp(mimeType, "video/3gpp") == 0) {
51         VideoDecoderMPEG4 *p = new VideoDecoderMPEG4(mimeType);
52         return (IVideoDecoder *)p;
53     }
54 #ifdef USE_INTEL_SECURE_AVC
55     else if (strcasecmp(mimeType, "video/avc-secure") == 0) {
56         VideoDecoderAVC *p = new VideoDecoderAVCSecure(mimeType);
57         return (IVideoDecoder *)p;
58     }
59 #endif
60 
61 #ifdef USE_HW_VP8
62     else if (strcasecmp(mimeType, "video/vp8") == 0 ||
63         strcasecmp(mimeType, "video/x-vnd.on2.vp8") == 0) {
64         VideoDecoderVP8 *p = new VideoDecoderVP8(mimeType);
65         return (IVideoDecoder *)p;
66     }
67 #endif
68 
69     else {
70         ETRACE("Unknown mime type: %s", mimeType);
71     }
72     return NULL;
73 }
74 
releaseVideoDecoder(IVideoDecoder * p)75 void releaseVideoDecoder(IVideoDecoder* p) {
76     if (p) {
77         const VideoFormatInfo *info  = p->getFormatInfo();
78         if (info && info->mimeType) {
79             ITRACE("Deleting decoder for %s", info->mimeType);
80         }
81     }
82     delete p;
83 }
84 
85 
86