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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 #import "RTCI420Frame.h" | |
| 29 | |
| 30 #include <memory> | |
| 31 | |
| 32 #include "webrtc/media/engine/webrtcvideoframe.h" | |
| 33 | |
| 34 @implementation RTCI420Frame { | |
| 35 std::unique_ptr<cricket::VideoFrame> _videoFrame; | |
| 36 } | |
| 37 | |
| 38 - (NSUInteger)width { | |
| 39 return _videoFrame->width(); | |
| 40 } | |
| 41 | |
| 42 - (NSUInteger)height { | |
| 43 return _videoFrame->height(); | |
| 44 } | |
| 45 | |
| 46 // TODO(nisse): chromaWidth and chromaHeight are used only in | |
| 47 // RTCOpenGLVideoRenderer.mm. Update, and then delete these | |
| 48 // properties. | |
| 49 - (NSUInteger)chromaWidth { | |
| 50 return (self.width + 1) / 2; | |
| 51 } | |
| 52 | |
| 53 - (NSUInteger)chromaHeight { | |
| 54 return (self.height + 1) / 2; | |
| 55 } | |
| 56 | |
| 57 - (const uint8_t*)yPlane { | |
| 58 const rtc::scoped_refptr<webrtc::VideoFrameBuffer>& buffer = | |
| 59 _videoFrame->video_frame_buffer(); | |
| 60 return buffer ? buffer->DataY() : nullptr; | |
| 61 } | |
| 62 | |
| 63 - (const uint8_t*)uPlane { | |
| 64 const rtc::scoped_refptr<webrtc::VideoFrameBuffer>& buffer = | |
| 65 _videoFrame->video_frame_buffer(); | |
| 66 return buffer ? buffer->DataU() : nullptr; | |
| 67 } | |
| 68 | |
| 69 - (const uint8_t*)vPlane { | |
| 70 const rtc::scoped_refptr<webrtc::VideoFrameBuffer>& buffer = | |
| 71 _videoFrame->video_frame_buffer(); | |
| 72 return buffer ? buffer->DataV() : nullptr; | |
| 73 } | |
| 74 | |
| 75 - (NSInteger)yPitch { | |
| 76 const rtc::scoped_refptr<webrtc::VideoFrameBuffer>& buffer = | |
| 77 _videoFrame->video_frame_buffer(); | |
| 78 return buffer ? buffer->StrideY() : 0; | |
| 79 } | |
| 80 | |
| 81 - (NSInteger)uPitch { | |
| 82 const rtc::scoped_refptr<webrtc::VideoFrameBuffer>& buffer = | |
| 83 _videoFrame->video_frame_buffer(); | |
| 84 return buffer ? buffer->StrideU() : 0; | |
| 85 } | |
| 86 | |
| 87 - (NSInteger)vPitch { | |
| 88 const rtc::scoped_refptr<webrtc::VideoFrameBuffer>& buffer = | |
| 89 _videoFrame->video_frame_buffer(); | |
| 90 return buffer ? buffer->StrideV() : 0; | |
| 91 } | |
| 92 | |
| 93 @end | |
| 94 | |
| 95 @implementation RTCI420Frame (Internal) | |
| 96 | |
| 97 - (instancetype)initWithVideoFrame:(cricket::VideoFrame*)videoFrame { | |
| 98 if (self = [super init]) { | |
| 99 // Keep a shallow copy of the video frame. The underlying frame buffer is | |
| 100 // not copied. | |
| 101 _videoFrame.reset(new cricket::WebRtcVideoFrame( | |
| 102 videoFrame->video_frame_buffer(), | |
| 103 videoFrame->rotation(), | |
| 104 videoFrame->timestamp_us())); | |
| 105 } | |
| 106 return self; | |
| 107 } | |
| 108 | |
| 109 @end | |
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