Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(294)

Side by Side Diff: webrtc/sdk/objc/Framework/Classes/Video/RTCNV12TextureCache.m

Issue 2890513002: Revert of Split iOS sdk in to separate targets (Closed)
Patch Set: Created 3 years, 7 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
OLDNEW
(Empty)
1 /*
2 * Copyright 2017 The WebRTC project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #import "RTCNV12TextureCache.h"
12
13 #import "WebRTC/RTCVideoFrame.h"
14
15 @implementation RTCNV12TextureCache {
16 CVOpenGLESTextureCacheRef _textureCache;
17 CVOpenGLESTextureRef _yTextureRef;
18 CVOpenGLESTextureRef _uvTextureRef;
19 }
20
21 - (GLuint)yTexture {
22 return CVOpenGLESTextureGetName(_yTextureRef);
23 }
24
25 - (GLuint)uvTexture {
26 return CVOpenGLESTextureGetName(_uvTextureRef);
27 }
28
29 - (instancetype)initWithContext:(EAGLContext *)context {
30 if (self = [super init]) {
31 CVReturn ret = CVOpenGLESTextureCacheCreate(
32 kCFAllocatorDefault, NULL,
33 #if COREVIDEO_USE_EAGLCONTEXT_CLASS_IN_API
34 context,
35 #else
36 (__bridge void *)context,
37 #endif
38 NULL, &_textureCache);
39 if (ret != kCVReturnSuccess) {
40 self = nil;
41 }
42 }
43 return self;
44 }
45
46 - (BOOL)loadTexture:(CVOpenGLESTextureRef *)textureOut
47 pixelBuffer:(CVPixelBufferRef)pixelBuffer
48 planeIndex:(int)planeIndex
49 pixelFormat:(GLenum)pixelFormat {
50 const int width = CVPixelBufferGetWidthOfPlane(pixelBuffer, planeIndex);
51 const int height = CVPixelBufferGetHeightOfPlane(pixelBuffer, planeIndex);
52
53 if (*textureOut) {
54 CFRelease(*textureOut);
55 *textureOut = nil;
56 }
57 CVReturn ret = CVOpenGLESTextureCacheCreateTextureFromImage(
58 kCFAllocatorDefault, _textureCache, pixelBuffer, NULL, GL_TEXTURE_2D, pixe lFormat, width,
59 height, pixelFormat, GL_UNSIGNED_BYTE, planeIndex, textureOut);
60 if (ret != kCVReturnSuccess) {
61 CFRelease(*textureOut);
62 *textureOut = nil;
63 return NO;
64 }
65 NSAssert(CVOpenGLESTextureGetTarget(*textureOut) == GL_TEXTURE_2D,
66 @"Unexpected GLES texture target");
67 glBindTexture(GL_TEXTURE_2D, CVOpenGLESTextureGetName(*textureOut));
68 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
69 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
70 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
71 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
72 return YES;
73 }
74
75 - (BOOL)uploadFrameToTextures:(RTCVideoFrame *)frame {
76 CVPixelBufferRef pixelBuffer = frame.nativeHandle;
77 NSParameterAssert(pixelBuffer);
78 return [self loadTexture:&_yTextureRef
79 pixelBuffer:pixelBuffer
80 planeIndex:0
81 pixelFormat:GL_LUMINANCE] &&
82 [self loadTexture:&_uvTextureRef
83 pixelBuffer:pixelBuffer
84 planeIndex:1
85 pixelFormat:GL_LUMINANCE_ALPHA];
86 }
87
88 - (void)releaseTextures {
89 if (_uvTextureRef) {
90 CFRelease(_uvTextureRef);
91 _uvTextureRef = nil;
92 }
93 if (_yTextureRef) {
94 CFRelease(_yTextureRef);
95 _yTextureRef = nil;
96 }
97 }
98
99 - (void)dealloc {
100 [self releaseTextures];
101 if (_textureCache) {
102 CFRelease(_textureCache);
103 _textureCache = nil;
104 }
105 }
106
107 @end
108
OLDNEW

Powered by Google App Engine
This is Rietveld 408576698