diff options
Diffstat (limited to 'src/plugins/avfoundation/mediaplayer/avfvideoframerenderer_ios.mm')
| -rw-r--r-- | src/plugins/avfoundation/mediaplayer/avfvideoframerenderer_ios.mm | 261 |
1 files changed, 0 insertions, 261 deletions
diff --git a/src/plugins/avfoundation/mediaplayer/avfvideoframerenderer_ios.mm b/src/plugins/avfoundation/mediaplayer/avfvideoframerenderer_ios.mm deleted file mode 100644 index 078898aa7..000000000 --- a/src/plugins/avfoundation/mediaplayer/avfvideoframerenderer_ios.mm +++ /dev/null @@ -1,261 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2021 The Qt Company Ltd and/or its subsidiary(-ies). -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:COMM$ -** -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** $QT_END_LICENSE$ -** -** -** -** -** -** -** -** -** -** -** -** -** -** -** -** -** -** -** -****************************************************************************/ - -#include "avfvideoframerenderer_ios.h" - -#include <QtMultimedia/qabstractvideosurface.h> -#include <QtGui/QOpenGLFramebufferObject> -#include <QtGui/QOpenGLShaderProgram> -#include <QtGui/QOffscreenSurface> - -#ifdef QT_DEBUG_AVF -#include <QtCore/qdebug.h> -#endif - -#import <CoreVideo/CVBase.h> -#import <AVFoundation/AVFoundation.h> -QT_USE_NAMESPACE - -AVFVideoFrameRenderer::AVFVideoFrameRenderer(QAbstractVideoSurface *surface, QObject *parent) - : QObject(parent) - , m_glContext(nullptr) - , m_offscreenSurface(nullptr) - , m_surface(surface) - , m_textureCache(nullptr) - , m_videoOutput(nullptr) - , m_isContextShared(true) -{ -} - -AVFVideoFrameRenderer::~AVFVideoFrameRenderer() -{ -#ifdef QT_DEBUG_AVF - qDebug() << Q_FUNC_INFO; -#endif - - [m_videoOutput release]; // sending to nil is fine - if (m_textureCache) - CFRelease(m_textureCache); - delete m_offscreenSurface; - delete m_glContext; -} - -void AVFVideoFrameRenderer::setPlayerLayer(AVPlayerLayer *layer) -{ - Q_UNUSED(layer) - if (m_videoOutput) { - [m_videoOutput release]; - m_videoOutput = nullptr; - // will be re-created in first call to copyPixelBufferFromLayer - } -} - -CVOGLTextureRef AVFVideoFrameRenderer::renderLayerToTexture(AVPlayerLayer *layer) -{ - initRenderer(); - - // If the glContext isn't shared, it doesn't make sense to return a texture for us - if (!m_isContextShared) - return nullptr; - - size_t dummyWidth = 0, dummyHeight = 0; - return createCacheTextureFromLayer(layer, dummyWidth, dummyHeight); -} - -static NSString* const AVF_PIXEL_FORMAT_KEY = (NSString*)kCVPixelBufferPixelFormatTypeKey; -static NSNumber* const AVF_PIXEL_FORMAT_VALUE = [NSNumber numberWithUnsignedInt:kCVPixelFormatType_32BGRA]; -static NSDictionary* const AVF_OUTPUT_SETTINGS = [NSDictionary dictionaryWithObject:AVF_PIXEL_FORMAT_VALUE forKey:AVF_PIXEL_FORMAT_KEY]; - - -CVPixelBufferRef AVFVideoFrameRenderer::copyPixelBufferFromLayer(AVPlayerLayer *layer, - size_t& width, size_t& height) -{ - //Is layer valid - if (!layer) { -#ifdef QT_DEBUG_AVF - qWarning("copyPixelBufferFromLayer: invalid layer"); -#endif - return nullptr; - } - - if (!m_videoOutput) { - m_videoOutput = [[AVPlayerItemVideoOutput alloc] initWithPixelBufferAttributes:AVF_OUTPUT_SETTINGS]; - [m_videoOutput setDelegate:nil queue:nil]; - AVPlayerItem * item = [[layer player] currentItem]; - [item addOutput:m_videoOutput]; - } - - CFTimeInterval currentCAFrameTime = CACurrentMediaTime(); - CMTime currentCMFrameTime = [m_videoOutput itemTimeForHostTime:currentCAFrameTime]; - // happens when buffering / loading - if (CMTimeCompare(currentCMFrameTime, kCMTimeZero) < 0) { - return nullptr; - } - - CVPixelBufferRef pixelBuffer = [m_videoOutput copyPixelBufferForItemTime:currentCMFrameTime - itemTimeForDisplay:nil]; - if (!pixelBuffer) { -#ifdef QT_DEBUG_AVF - qWarning("copyPixelBufferForItemTime returned nil"); - CMTimeShow(currentCMFrameTime); -#endif - return nullptr; - } - - width = CVPixelBufferGetWidth(pixelBuffer); - height = CVPixelBufferGetHeight(pixelBuffer); - return pixelBuffer; -} - -CVOGLTextureRef AVFVideoFrameRenderer::createCacheTextureFromLayer(AVPlayerLayer *layer, - size_t& width, size_t& height) -{ - CVPixelBufferRef pixelBuffer = copyPixelBufferFromLayer(layer, width, height); - - if (!pixelBuffer) - return nullptr; - - CVOGLTextureCacheFlush(m_textureCache, 0); - - CVOGLTextureRef texture = nullptr; - CVReturn err = CVOGLTextureCacheCreateTextureFromImage(kCFAllocatorDefault, m_textureCache, pixelBuffer, nullptr, - GL_TEXTURE_2D, GL_RGBA, - (GLsizei) width, (GLsizei) height, - GL_BGRA, GL_UNSIGNED_BYTE, 0, - &texture); - - if (!texture || err) { -#ifdef QT_DEBUG_AVF - qWarning("CVOGLTextureCacheCreateTextureFromImage failed (error: %d)", err); -#endif - } - - CVPixelBufferRelease(pixelBuffer); - - return texture; -} - -QImage AVFVideoFrameRenderer::renderLayerToImage(AVPlayerLayer *layer) -{ - size_t width = 0; - size_t height = 0; - CVPixelBufferRef pixelBuffer = copyPixelBufferFromLayer(layer, width, height); - - if (!pixelBuffer) - return QImage(); - - OSType pixelFormat = CVPixelBufferGetPixelFormatType(pixelBuffer); - if (pixelFormat != kCVPixelFormatType_32BGRA) { -#ifdef QT_DEBUG_AVF - qWarning("CVPixelBuffer format is not BGRA32 (got: %d)", static_cast<quint32>(pixelFormat)); -#endif - return QImage(); - } - - CVPixelBufferLockBaseAddress(pixelBuffer, 0); - char *data = (char *)CVPixelBufferGetBaseAddress(pixelBuffer); - size_t stride = CVPixelBufferGetBytesPerRow(pixelBuffer); - - // format here is not relevant, only using for storage - QImage img = QImage(width, height, QImage::Format_ARGB32); - for (size_t j = 0; j < height; j++) { - memcpy(img.scanLine(j), data, width * 4); - data += stride; - } - - CVPixelBufferUnlockBaseAddress(pixelBuffer, 0); - CVPixelBufferRelease(pixelBuffer); - return img; -} - -void AVFVideoFrameRenderer::initRenderer() -{ - // even for using a texture directly, we need to be able to make a context current, - // so we need an offscreen, and we shouldn't assume we can make the surface context - // current on that offscreen, so use our own (sharing with it). Slightly - // excessive but no performance penalty and makes the QImage path easier to maintain - - //Make sure we have an OpenGL context to make current - if (!m_glContext) { - //Create OpenGL context and set share context from surface - QOpenGLContext *shareContext = nullptr; - if (m_surface) { - shareContext = qobject_cast<QOpenGLContext*>(m_surface->property("GLContext").value<QObject*>()); - } - - m_glContext = new QOpenGLContext(); - if (shareContext) { - m_glContext->setShareContext(shareContext); - m_isContextShared = true; - } else { -#ifdef QT_DEBUG_AVF - qWarning("failed to get Render Thread context"); -#endif - m_isContextShared = false; - } - if (!m_glContext->create()) { -#ifdef QT_DEBUG_AVF - qWarning("failed to create QOpenGLContext"); -#endif - return; - } - } - - if (!m_offscreenSurface) { - m_offscreenSurface = new QOffscreenSurface(); - m_offscreenSurface->setFormat(m_glContext->format()); - m_offscreenSurface->create(); - } - - //Need current context - m_glContext->makeCurrent(m_offscreenSurface); - - if (!m_textureCache) { - // Create a new open gl texture cache - CVReturn err = CVOGLTextureCacheCreate(kCFAllocatorDefault, nullptr, - [EAGLContext currentContext], - nullptr, &m_textureCache); - if (err) { - #ifdef QT_DEBUG_AVF - qWarning("Error at CVOGLTextureCacheCreate %d", err); - #endif - } - } - -} |