You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
113 lines
2.8 KiB
113 lines
2.8 KiB
4 months ago
|
/*
|
||
|
|
* Copyright (c) 2013 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "test/gl/gl_renderer.h"
|
||
|
|
|
||
|
|
#include <string.h>
|
||
|
|
|
||
|
|
#include "common_video/libyuv/include/webrtc_libyuv.h"
|
||
|
|
#include "rtc_base/checks.h"
|
||
|
|
|
||
|
|
namespace webrtc {
|
||
|
|
namespace test {
|
||
|
|
|
||
|
|
GlRenderer::GlRenderer()
|
||
|
|
: is_init_(false), buffer_(NULL), width_(0), height_(0) {}
|
||
|
|
|
||
|
|
void GlRenderer::Init() {
|
||
|
|
RTC_DCHECK(!is_init_);
|
||
|
|
is_init_ = true;
|
||
|
|
|
||
|
|
glGenTextures(1, &texture_);
|
||
|
|
}
|
||
|
|
|
||
|
|
void GlRenderer::Destroy() {
|
||
|
|
if (!is_init_) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
is_init_ = false;
|
||
|
|
|
||
|
|
delete[] buffer_;
|
||
|
|
buffer_ = NULL;
|
||
|
|
|
||
|
|
glDeleteTextures(1, &texture_);
|
||
|
|
}
|
||
|
|
|
||
|
|
void GlRenderer::ResizeViewport(size_t width, size_t height) {
|
||
|
|
// TODO(pbos): Aspect ratio, letterbox the video.
|
||
|
|
glViewport(0, 0, width, height);
|
||
|
|
|
||
|
|
glMatrixMode(GL_PROJECTION);
|
||
|
|
glLoadIdentity();
|
||
|
|
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
|
||
|
|
glOrtho(0.0f, 1.0f, 1.0f, 0.0f, -1.0f, 1.0f);
|
||
|
|
glMatrixMode(GL_MODELVIEW);
|
||
|
|
}
|
||
|
|
|
||
|
|
void GlRenderer::ResizeVideo(size_t width, size_t height) {
|
||
|
|
RTC_DCHECK(is_init_);
|
||
|
|
width_ = width;
|
||
|
|
height_ = height;
|
||
|
|
|
||
|
|
buffer_size_ = width * height * 4; // BGRA
|
||
|
|
|
||
|
|
delete[] buffer_;
|
||
|
|
buffer_ = new uint8_t[buffer_size_];
|
||
|
|
RTC_DCHECK(buffer_);
|
||
|
|
memset(buffer_, 0, buffer_size_);
|
||
|
|
glBindTexture(GL_TEXTURE_2D, texture_);
|
||
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0);
|
||
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
|
||
|
|
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_BGRA,
|
||
|
|
GL_UNSIGNED_INT_8_8_8_8, static_cast<GLvoid*>(buffer_));
|
||
|
|
}
|
||
|
|
|
||
|
|
void GlRenderer::OnFrame(const webrtc::VideoFrame& frame) {
|
||
|
|
RTC_DCHECK(is_init_);
|
||
|
|
|
||
|
|
if (static_cast<size_t>(frame.width()) != width_ ||
|
||
|
|
static_cast<size_t>(frame.height()) != height_) {
|
||
|
|
ResizeVideo(frame.width(), frame.height());
|
||
|
|
}
|
||
|
|
|
||
|
|
webrtc::ConvertFromI420(frame, VideoType::kBGRA, 0, buffer_);
|
||
|
|
|
||
|
|
glEnable(GL_TEXTURE_2D);
|
||
|
|
glBindTexture(GL_TEXTURE_2D, texture_);
|
||
|
|
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width_, height_, GL_BGRA,
|
||
|
|
GL_UNSIGNED_INT_8_8_8_8, buffer_);
|
||
|
|
|
||
|
|
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
||
|
|
|
||
|
|
glLoadIdentity();
|
||
|
|
|
||
|
|
glBegin(GL_QUADS);
|
||
|
|
{
|
||
|
|
glTexCoord2f(0.0f, 0.0f);
|
||
|
|
glVertex3f(0.0f, 0.0f, 0.0f);
|
||
|
|
|
||
|
|
glTexCoord2f(0.0f, 1.0f);
|
||
|
|
glVertex3f(0.0f, 1.0f, 0.0f);
|
||
|
|
|
||
|
|
glTexCoord2f(1.0f, 1.0f);
|
||
|
|
glVertex3f(1.0f, 1.0f, 0.0f);
|
||
|
|
|
||
|
|
glTexCoord2f(1.0f, 0.0f);
|
||
|
|
glVertex3f(1.0f, 0.0f, 0.0f);
|
||
|
|
}
|
||
|
|
glEnd();
|
||
|
|
|
||
|
|
glBindTexture(GL_TEXTURE_2D, 0);
|
||
|
|
glFlush();
|
||
|
|
}
|
||
|
|
} // namespace test
|
||
|
|
} // namespace webrtc
|