0789dab2cb
This reverts commit bd2220a9c496ef2e8567b68d4be9435a110bdc34. Reason for revert: Broke external clients Original change's description: > Support more formats in RTCVideoFrame > > Implement Obj-C version of webrtc::VideoFrameBuffer and use that in > RTCVideoFrame. > > Bug: webrtc:7785 > Change-Id: I49f42bcf451dd6769b3a79a65fe7b400dce22677 > Reviewed-on: https://chromium-review.googlesource.com/536773 > Commit-Queue: Anders Carlsson <andersc@webrtc.org> > Reviewed-by: Magnus Jedvert <magjed@webrtc.org> > Cr-Commit-Position: refs/heads/master@{#18691} TBR=magjed@webrtc.org,andersc@webrtc.org Change-Id: Id765dd9543ed0613a6b2de108b268c3501025fcd No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: webrtc:7785 Reviewed-on: https://chromium-review.googlesource.com/542837 Reviewed-by: Anders Carlsson <andersc@webrtc.org> Commit-Queue: Anders Carlsson <andersc@webrtc.org> Cr-Commit-Position: refs/heads/master@{#18697}
109 lines
3.1 KiB
Objective-C
109 lines
3.1 KiB
Objective-C
/*
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* Copyright 2017 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#import "RTCNV12TextureCache.h"
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#import "WebRTC/RTCVideoFrame.h"
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@implementation RTCNV12TextureCache {
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CVOpenGLESTextureCacheRef _textureCache;
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CVOpenGLESTextureRef _yTextureRef;
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CVOpenGLESTextureRef _uvTextureRef;
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}
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- (GLuint)yTexture {
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return CVOpenGLESTextureGetName(_yTextureRef);
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}
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- (GLuint)uvTexture {
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return CVOpenGLESTextureGetName(_uvTextureRef);
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}
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- (instancetype)initWithContext:(EAGLContext *)context {
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if (self = [super init]) {
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CVReturn ret = CVOpenGLESTextureCacheCreate(
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kCFAllocatorDefault, NULL,
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#if COREVIDEO_USE_EAGLCONTEXT_CLASS_IN_API
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context,
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#else
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(__bridge void *)context,
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#endif
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NULL, &_textureCache);
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if (ret != kCVReturnSuccess) {
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self = nil;
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}
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}
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return self;
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}
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- (BOOL)loadTexture:(CVOpenGLESTextureRef *)textureOut
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pixelBuffer:(CVPixelBufferRef)pixelBuffer
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planeIndex:(int)planeIndex
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pixelFormat:(GLenum)pixelFormat {
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const int width = CVPixelBufferGetWidthOfPlane(pixelBuffer, planeIndex);
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const int height = CVPixelBufferGetHeightOfPlane(pixelBuffer, planeIndex);
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if (*textureOut) {
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CFRelease(*textureOut);
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*textureOut = nil;
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}
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CVReturn ret = CVOpenGLESTextureCacheCreateTextureFromImage(
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kCFAllocatorDefault, _textureCache, pixelBuffer, NULL, GL_TEXTURE_2D, pixelFormat, width,
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height, pixelFormat, GL_UNSIGNED_BYTE, planeIndex, textureOut);
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if (ret != kCVReturnSuccess) {
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CFRelease(*textureOut);
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*textureOut = nil;
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return NO;
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}
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NSAssert(CVOpenGLESTextureGetTarget(*textureOut) == GL_TEXTURE_2D,
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@"Unexpected GLES texture target");
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glBindTexture(GL_TEXTURE_2D, CVOpenGLESTextureGetName(*textureOut));
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
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return YES;
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}
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- (BOOL)uploadFrameToTextures:(RTCVideoFrame *)frame {
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CVPixelBufferRef pixelBuffer = frame.nativeHandle;
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NSParameterAssert(pixelBuffer);
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return [self loadTexture:&_yTextureRef
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pixelBuffer:pixelBuffer
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planeIndex:0
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pixelFormat:GL_LUMINANCE] &&
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[self loadTexture:&_uvTextureRef
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pixelBuffer:pixelBuffer
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planeIndex:1
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pixelFormat:GL_LUMINANCE_ALPHA];
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}
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- (void)releaseTextures {
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if (_uvTextureRef) {
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CFRelease(_uvTextureRef);
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_uvTextureRef = nil;
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}
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if (_yTextureRef) {
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CFRelease(_yTextureRef);
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_yTextureRef = nil;
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}
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}
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- (void)dealloc {
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[self releaseTextures];
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if (_textureCache) {
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CFRelease(_textureCache);
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_textureCache = nil;
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}
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}
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@end
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