OLD | NEW |
| (Empty) |
1 /* | |
2 * libjingle | |
3 * Copyright 2011 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_BASE_FAKEVIDEORENDERER_H_ | |
29 #define TALK_MEDIA_BASE_FAKEVIDEORENDERER_H_ | |
30 | |
31 #include "talk/media/base/videoframe.h" | |
32 #include "talk/media/base/videorenderer.h" | |
33 #include "webrtc/base/logging.h" | |
34 #include "webrtc/base/sigslot.h" | |
35 | |
36 namespace cricket { | |
37 | |
38 // Faked video renderer that has a callback for actions on rendering. | |
39 class FakeVideoRenderer : public VideoRenderer { | |
40 public: | |
41 FakeVideoRenderer() | |
42 : errors_(0), | |
43 width_(0), | |
44 height_(0), | |
45 num_set_sizes_(0), | |
46 num_rendered_frames_(0), | |
47 black_frame_(false) { | |
48 } | |
49 | |
50 virtual bool SetSize(int width, int height, int reserved) { | |
51 rtc::CritScope cs(&crit_); | |
52 width_ = width; | |
53 height_ = height; | |
54 ++num_set_sizes_; | |
55 SignalSetSize(width, height, reserved); | |
56 return true; | |
57 } | |
58 | |
59 virtual bool RenderFrame(const VideoFrame* frame) { | |
60 rtc::CritScope cs(&crit_); | |
61 // TODO(zhurunz) Check with VP8 team to see if we can remove this | |
62 // tolerance on Y values. | |
63 black_frame_ = CheckFrameColorYuv(6, 48, 128, 128, 128, 128, frame); | |
64 // Treat unexpected frame size as error. | |
65 if (!frame || | |
66 frame->GetWidth() != static_cast<size_t>(width_) || | |
67 frame->GetHeight() != static_cast<size_t>(height_)) { | |
68 if (!frame) { | |
69 LOG(LS_WARNING) << "RenderFrame expected non-null frame."; | |
70 } else { | |
71 LOG(LS_WARNING) << "RenderFrame expected frame of size " << width_ | |
72 << "x" << height_ << " but received frame of size " | |
73 << frame->GetWidth() << "x" << frame->GetHeight(); | |
74 } | |
75 ++errors_; | |
76 return false; | |
77 } | |
78 ++num_rendered_frames_; | |
79 SignalRenderFrame(frame); | |
80 return true; | |
81 } | |
82 | |
83 int errors() const { return errors_; } | |
84 int width() const { | |
85 rtc::CritScope cs(&crit_); | |
86 return width_; | |
87 } | |
88 int height() const { | |
89 rtc::CritScope cs(&crit_); | |
90 return height_; | |
91 } | |
92 int num_set_sizes() const { | |
93 rtc::CritScope cs(&crit_); | |
94 return num_set_sizes_; | |
95 } | |
96 int num_rendered_frames() const { | |
97 rtc::CritScope cs(&crit_); | |
98 return num_rendered_frames_; | |
99 } | |
100 bool black_frame() const { | |
101 rtc::CritScope cs(&crit_); | |
102 return black_frame_; | |
103 } | |
104 | |
105 sigslot::signal3<int, int, int> SignalSetSize; | |
106 sigslot::signal1<const VideoFrame*> SignalRenderFrame; | |
107 | |
108 private: | |
109 static bool CheckFrameColorYuv(uint8_t y_min, | |
110 uint8_t y_max, | |
111 uint8_t u_min, | |
112 uint8_t u_max, | |
113 uint8_t v_min, | |
114 uint8_t v_max, | |
115 const cricket::VideoFrame* frame) { | |
116 if (!frame) { | |
117 return false; | |
118 } | |
119 // Y | |
120 size_t y_width = frame->GetWidth(); | |
121 size_t y_height = frame->GetHeight(); | |
122 const uint8_t* y_plane = frame->GetYPlane(); | |
123 const uint8_t* y_pos = y_plane; | |
124 int32_t y_pitch = frame->GetYPitch(); | |
125 for (size_t i = 0; i < y_height; ++i) { | |
126 for (size_t j = 0; j < y_width; ++j) { | |
127 uint8_t y_value = *(y_pos + j); | |
128 if (y_value < y_min || y_value > y_max) { | |
129 return false; | |
130 } | |
131 } | |
132 y_pos += y_pitch; | |
133 } | |
134 // U and V | |
135 size_t chroma_width = frame->GetChromaWidth(); | |
136 size_t chroma_height = frame->GetChromaHeight(); | |
137 const uint8_t* u_plane = frame->GetUPlane(); | |
138 const uint8_t* v_plane = frame->GetVPlane(); | |
139 const uint8_t* u_pos = u_plane; | |
140 const uint8_t* v_pos = v_plane; | |
141 int32_t u_pitch = frame->GetUPitch(); | |
142 int32_t v_pitch = frame->GetVPitch(); | |
143 for (size_t i = 0; i < chroma_height; ++i) { | |
144 for (size_t j = 0; j < chroma_width; ++j) { | |
145 uint8_t u_value = *(u_pos + j); | |
146 if (u_value < u_min || u_value > u_max) { | |
147 return false; | |
148 } | |
149 uint8_t v_value = *(v_pos + j); | |
150 if (v_value < v_min || v_value > v_max) { | |
151 return false; | |
152 } | |
153 } | |
154 u_pos += u_pitch; | |
155 v_pos += v_pitch; | |
156 } | |
157 return true; | |
158 } | |
159 | |
160 int errors_; | |
161 int width_; | |
162 int height_; | |
163 int num_set_sizes_; | |
164 int num_rendered_frames_; | |
165 bool black_frame_; | |
166 mutable rtc::CriticalSection crit_; | |
167 }; | |
168 | |
169 } // namespace cricket | |
170 | |
171 #endif // TALK_MEDIA_BASE_FAKEVIDEORENDERER_H_ | |
OLD | NEW |