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Side by Side Diff: talk/media/webrtc/webrtcvideoencoderfactory.h

Issue 1587193006: Move talk/media to webrtc/media (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master
Patch Set: Rebased to b647aca12a884a13c1728118586245399b55fa3d (#11493) Created 4 years, 10 months ago
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1 /*
2 * libjingle
3 * Copyright 2013 Google Inc.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #ifndef TALK_MEDIA_WEBRTC_WEBRTCVIDEOENCODERFACTORY_H_
29 #define TALK_MEDIA_WEBRTC_WEBRTCVIDEOENCODERFACTORY_H_
30
31 #include "talk/media/base/codec.h"
32 #include "webrtc/base/refcount.h"
33 #include "webrtc/common_types.h"
34
35 namespace webrtc {
36 class VideoEncoder;
37 }
38
39 namespace cricket {
40
41 class WebRtcVideoEncoderFactory {
42 public:
43 struct VideoCodec {
44 webrtc::VideoCodecType type;
45 std::string name;
46 int max_width;
47 int max_height;
48 int max_fps;
49
50 VideoCodec(webrtc::VideoCodecType t, const std::string& nm, int w, int h,
51 int fr)
52 : type(t), name(nm), max_width(w), max_height(h), max_fps(fr) {
53 }
54 };
55
56 virtual ~WebRtcVideoEncoderFactory() {}
57
58 // Caller takes the ownership of the returned object and it should be released
59 // by calling DestroyVideoEncoder().
60 virtual webrtc::VideoEncoder* CreateVideoEncoder(
61 webrtc::VideoCodecType type) = 0;
62
63 // Returns a list of supported codecs in order of preference.
64 virtual const std::vector<VideoCodec>& codecs() const = 0;
65
66 // Returns true if encoders created by this factory of the given codec type
67 // will use internal camera sources, meaning that they don't require/expect
68 // frames to be delivered via webrtc::VideoEncoder::Encode. This flag is used
69 // as the internal_source parameter to
70 // webrtc::ViEExternalCodec::RegisterExternalSendCodec.
71 virtual bool EncoderTypeHasInternalSource(webrtc::VideoCodecType type) const {
72 return false;
73 }
74
75 virtual void DestroyVideoEncoder(webrtc::VideoEncoder* encoder) = 0;
76 };
77
78 } // namespace cricket
79
80 #endif // TALK_MEDIA_WEBRTC_WEBRTCVIDEOENCODERFACTORY_H_
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