mirror of
https://github.com/mollyim/webrtc.git
synced 2025-05-14 22:30:40 +01:00
7bca8ca4e2
This CL separates the files under sdk/objc into logical directories, replacing the previous file layout under Framework/. A long term goal is to have some system set up to generate the files under sdk/objc/api (the PeerConnection API wrappers) from the C++ code. In the shorter term the goal is to abstract out shared concepts from these classes in order to make them as uniform as possible. The separation into base/, components/, and helpers/ are to differentiate between the base layer's common protocols, various utilities and the actual platform specific components. The old directory layout that resembled a framework's internal layout is not necessary, since it is generated by the framework target when building it. Bug: webrtc:9627 Change-Id: Ib084fd83f050ae980649ca99e841f4fb0580bd8f Reviewed-on: https://webrtc-review.googlesource.com/94142 Reviewed-by: Kári Helgason <kthelgason@webrtc.org> Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Rasmus Brandt <brandtr@webrtc.org> Reviewed-by: Henrik Andreassson <henrika@webrtc.org> Commit-Queue: Anders Carlsson <andersc@webrtc.org> Cr-Commit-Position: refs/heads/master@{#24493}
111 lines
3.4 KiB
Objective-C
111 lines
3.4 KiB
Objective-C
/*
|
|
* Copyright 2017 The WebRTC project authors. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license
|
|
* that can be found in the LICENSE file in the root of the source
|
|
* tree. An additional intellectual property rights grant can be found
|
|
* in the file PATENTS. All contributing project authors may
|
|
* be found in the AUTHORS file in the root of the source tree.
|
|
*/
|
|
|
|
#import "RTCNV12TextureCache.h"
|
|
|
|
#import "base/RTCVideoFrame.h"
|
|
#import "base/RTCVideoFrameBuffer.h"
|
|
#import "components/video_frame_buffer/RTCCVPixelBuffer.h"
|
|
|
|
@implementation RTCNV12TextureCache {
|
|
CVOpenGLESTextureCacheRef _textureCache;
|
|
CVOpenGLESTextureRef _yTextureRef;
|
|
CVOpenGLESTextureRef _uvTextureRef;
|
|
}
|
|
|
|
- (GLuint)yTexture {
|
|
return CVOpenGLESTextureGetName(_yTextureRef);
|
|
}
|
|
|
|
- (GLuint)uvTexture {
|
|
return CVOpenGLESTextureGetName(_uvTextureRef);
|
|
}
|
|
|
|
- (instancetype)initWithContext:(EAGLContext *)context {
|
|
if (self = [super init]) {
|
|
CVReturn ret = CVOpenGLESTextureCacheCreate(
|
|
kCFAllocatorDefault, NULL,
|
|
#if COREVIDEO_USE_EAGLCONTEXT_CLASS_IN_API
|
|
context,
|
|
#else
|
|
(__bridge void *)context,
|
|
#endif
|
|
NULL, &_textureCache);
|
|
if (ret != kCVReturnSuccess) {
|
|
self = nil;
|
|
}
|
|
}
|
|
return self;
|
|
}
|
|
|
|
- (BOOL)loadTexture:(CVOpenGLESTextureRef *)textureOut
|
|
pixelBuffer:(CVPixelBufferRef)pixelBuffer
|
|
planeIndex:(int)planeIndex
|
|
pixelFormat:(GLenum)pixelFormat {
|
|
const int width = CVPixelBufferGetWidthOfPlane(pixelBuffer, planeIndex);
|
|
const int height = CVPixelBufferGetHeightOfPlane(pixelBuffer, planeIndex);
|
|
|
|
if (*textureOut) {
|
|
CFRelease(*textureOut);
|
|
*textureOut = nil;
|
|
}
|
|
CVReturn ret = CVOpenGLESTextureCacheCreateTextureFromImage(
|
|
kCFAllocatorDefault, _textureCache, pixelBuffer, NULL, GL_TEXTURE_2D, pixelFormat, width,
|
|
height, pixelFormat, GL_UNSIGNED_BYTE, planeIndex, textureOut);
|
|
if (ret != kCVReturnSuccess) {
|
|
CFRelease(*textureOut);
|
|
*textureOut = nil;
|
|
return NO;
|
|
}
|
|
NSAssert(CVOpenGLESTextureGetTarget(*textureOut) == GL_TEXTURE_2D,
|
|
@"Unexpected GLES texture target");
|
|
glBindTexture(GL_TEXTURE_2D, CVOpenGLESTextureGetName(*textureOut));
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
|
return YES;
|
|
}
|
|
|
|
- (BOOL)uploadFrameToTextures:(RTCVideoFrame *)frame {
|
|
NSAssert([frame.buffer isKindOfClass:[RTCCVPixelBuffer class]],
|
|
@"frame must be CVPixelBuffer backed");
|
|
RTCCVPixelBuffer *rtcPixelBuffer = (RTCCVPixelBuffer *)frame.buffer;
|
|
CVPixelBufferRef pixelBuffer = rtcPixelBuffer.pixelBuffer;
|
|
return [self loadTexture:&_yTextureRef
|
|
pixelBuffer:pixelBuffer
|
|
planeIndex:0
|
|
pixelFormat:GL_LUMINANCE] &&
|
|
[self loadTexture:&_uvTextureRef
|
|
pixelBuffer:pixelBuffer
|
|
planeIndex:1
|
|
pixelFormat:GL_LUMINANCE_ALPHA];
|
|
}
|
|
|
|
- (void)releaseTextures {
|
|
if (_uvTextureRef) {
|
|
CFRelease(_uvTextureRef);
|
|
_uvTextureRef = nil;
|
|
}
|
|
if (_yTextureRef) {
|
|
CFRelease(_yTextureRef);
|
|
_yTextureRef = nil;
|
|
}
|
|
}
|
|
|
|
- (void)dealloc {
|
|
[self releaseTextures];
|
|
if (_textureCache) {
|
|
CFRelease(_textureCache);
|
|
_textureCache = nil;
|
|
}
|
|
}
|
|
|
|
@end
|