107 lines
3.3 KiB
Plaintext
107 lines
3.3 KiB
Plaintext
/*
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* libjingle
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* Copyright 2013 Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#import "RTCI420Frame.h"
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#include <memory>
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#include "webrtc/media/base/videoframe.h"
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@implementation RTCI420Frame {
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std::unique_ptr<cricket::VideoFrame> _videoFrame;
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}
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- (NSUInteger)width {
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return _videoFrame->width();
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}
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- (NSUInteger)height {
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return _videoFrame->height();
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}
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// TODO(nisse): chromaWidth and chromaHeight are used only in
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// RTCOpenGLVideoRenderer.mm. Update, and then delete these
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// properties.
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- (NSUInteger)chromaWidth {
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return (self.width + 1) / 2;
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}
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- (NSUInteger)chromaHeight {
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return (self.height + 1) / 2;
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}
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- (const uint8_t*)yPlane {
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const rtc::scoped_refptr<webrtc::VideoFrameBuffer>& buffer =
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_videoFrame->video_frame_buffer();
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return buffer ? buffer->DataY() : nullptr;
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}
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- (const uint8_t*)uPlane {
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const rtc::scoped_refptr<webrtc::VideoFrameBuffer>& buffer =
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_videoFrame->video_frame_buffer();
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return buffer ? buffer->DataU() : nullptr;
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}
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- (const uint8_t*)vPlane {
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const rtc::scoped_refptr<webrtc::VideoFrameBuffer>& buffer =
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_videoFrame->video_frame_buffer();
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return buffer ? buffer->DataV() : nullptr;
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}
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- (NSInteger)yPitch {
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const rtc::scoped_refptr<webrtc::VideoFrameBuffer>& buffer =
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_videoFrame->video_frame_buffer();
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return buffer ? buffer->StrideY() : 0;
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}
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- (NSInteger)uPitch {
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const rtc::scoped_refptr<webrtc::VideoFrameBuffer>& buffer =
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_videoFrame->video_frame_buffer();
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return buffer ? buffer->StrideU() : 0;
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}
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- (NSInteger)vPitch {
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const rtc::scoped_refptr<webrtc::VideoFrameBuffer>& buffer =
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_videoFrame->video_frame_buffer();
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return buffer ? buffer->StrideV() : 0;
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}
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@end
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@implementation RTCI420Frame (Internal)
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- (instancetype)initWithVideoFrame:(cricket::VideoFrame*)videoFrame {
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if (self = [super init]) {
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// Keep a shallow copy of the video frame. The underlying frame buffer is
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// not copied.
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_videoFrame.reset(videoFrame->Copy());
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}
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return self;
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}
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@end
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