format code
This commit is contained in:
dec05eba
parent
e74278a042
commit
eff9ff10cc
2
.clang-format
Normal file
2
.clang-format
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@ -0,0 +1,2 @@
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BasedOnStyle: LLVM
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IndentWidth: 4
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380
src/main.cpp
380
src/main.cpp
@ -1,23 +1,23 @@
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <string>
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#include <vector>
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#define GLX_GLXEXT_PROTOTYPES
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#include <GL/glew.h>
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#include <GLFW/glfw3.h>
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#include <GL/glx.h>
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#include <GL/glxext.h>
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#include <GLFW/glfw3.h>
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#include <X11/extensions/Xcomposite.h>
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#include <X11/extensions/Xdamage.h>
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extern "C" {
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#include <libavutil/hwcontext_cuda.h>
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#include <libavcodec/avcodec.h>
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#include <libavformat/avformat.h>
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#include <libavutil/hwcontext.h>
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#include <libavutil/hwcontext_cuda.h>
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}
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#include <cudaGL.h>
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@ -29,7 +29,7 @@ extern "C" {
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struct ScopedGLXFBConfig {
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~ScopedGLXFBConfig() {
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if(configs)
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if (configs)
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XFree(configs);
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}
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@ -37,9 +37,9 @@ struct ScopedGLXFBConfig {
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};
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struct WindowPixmap {
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WindowPixmap() : pixmap(None), glx_pixmap(None), texture_id(0), target_texture_id(0), texture_width(0), texture_height(0) {
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}
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WindowPixmap()
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: pixmap(None), glx_pixmap(None), texture_id(0), target_texture_id(0),
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texture_width(0), texture_height(0) {}
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Pixmap pixmap;
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GLXPixmap glx_pixmap;
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@ -53,64 +53,64 @@ struct WindowPixmap {
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static bool x11_supports_composite_named_window_pixmap(Display *dpy) {
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int extension_major;
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int extension_minor;
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if(!XCompositeQueryExtension(dpy, &extension_major, &extension_minor))
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if (!XCompositeQueryExtension(dpy, &extension_major, &extension_minor))
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return false;
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int major_version;
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int minor_version;
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return XCompositeQueryVersion(dpy, &major_version, &minor_version) && (major_version > 0 || minor_version >= 2);
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return XCompositeQueryVersion(dpy, &major_version, &minor_version) &&
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(major_version > 0 || minor_version >= 2);
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}
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static void cleanup_window_pixmap(Display *dpy, WindowPixmap &pixmap) {
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if(pixmap.target_texture_id) {
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if (pixmap.target_texture_id) {
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glDeleteTextures(1, &pixmap.target_texture_id);
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pixmap.target_texture_id = 0;
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}
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if(pixmap.texture_id) {
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if (pixmap.texture_id) {
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glDeleteTextures(1, &pixmap.texture_id);
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pixmap.texture_id = 0;
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pixmap.texture_width = 0;
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pixmap.texture_height = 0;
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}
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if(pixmap.glx_pixmap) {
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if (pixmap.glx_pixmap) {
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glXReleaseTexImageEXT(dpy, pixmap.glx_pixmap, GLX_FRONT_EXT);
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glXDestroyPixmap(dpy, pixmap.glx_pixmap);
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pixmap.glx_pixmap = None;
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}
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if(pixmap.pixmap) {
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if (pixmap.pixmap) {
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XFreePixmap(dpy, pixmap.pixmap);
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pixmap.pixmap = None;
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}
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}
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static bool recreate_window_pixmap(Display *dpy, Window window_id, WindowPixmap &pixmap) {
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static bool recreate_window_pixmap(Display *dpy, Window window_id,
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WindowPixmap &pixmap) {
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cleanup_window_pixmap(dpy, pixmap);
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const int pixmap_config[] = {
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GLX_BIND_TO_TEXTURE_RGBA_EXT, True,
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GLX_DRAWABLE_TYPE, GLX_PIXMAP_BIT,
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GLX_BIND_TO_TEXTURE_RGBA_EXT, True, GLX_DRAWABLE_TYPE, GLX_PIXMAP_BIT,
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GLX_BIND_TO_TEXTURE_TARGETS_EXT, GLX_TEXTURE_2D_BIT_EXT,
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GLX_BIND_TO_MIPMAP_TEXTURE_EXT, True,
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GLX_DOUBLEBUFFER, False,
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//GLX_Y_INVERTED_EXT, (int)GLX_DONT_CARE,
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None
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};
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GLX_BIND_TO_MIPMAP_TEXTURE_EXT, True, GLX_DOUBLEBUFFER, False,
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// GLX_Y_INVERTED_EXT, (int)GLX_DONT_CARE,
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None};
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// Note that mipmap is generated even though its not used.
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// glCopyImageSubData fails if the texture doesn't have mipmap.
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const int pixmap_attribs[] = {
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GLX_TEXTURE_TARGET_EXT, GLX_TEXTURE_2D_EXT,
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GLX_TEXTURE_FORMAT_EXT, GLX_TEXTURE_FORMAT_RGBA_EXT,
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GLX_MIPMAP_TEXTURE_EXT, 1,
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None
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};
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const int pixmap_attribs[] = {GLX_TEXTURE_TARGET_EXT,
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GLX_TEXTURE_2D_EXT,
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GLX_TEXTURE_FORMAT_EXT,
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GLX_TEXTURE_FORMAT_RGBA_EXT,
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GLX_MIPMAP_TEXTURE_EXT,
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1,
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None};
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int c;
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GLXFBConfig *configs = glXChooseFBConfig(dpy, 0, pixmap_config, &c);
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if(!configs) {
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if (!configs) {
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fprintf(stderr, "Failed too choose fb config\n");
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return false;
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}
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@ -118,13 +118,14 @@ static bool recreate_window_pixmap(Display *dpy, Window window_id, WindowPixmap
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scoped_configs.configs = configs;
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Pixmap new_window_pixmap = XCompositeNameWindowPixmap(dpy, window_id);
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if(!new_window_pixmap) {
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if (!new_window_pixmap) {
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fprintf(stderr, "Failed to get pixmap for window %ld\n", window_id);
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return false;
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}
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GLXPixmap glx_pixmap = glXCreatePixmap(dpy, *configs, new_window_pixmap, pixmap_attribs);
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if(!glx_pixmap) {
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GLXPixmap glx_pixmap =
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glXCreatePixmap(dpy, *configs, new_window_pixmap, pixmap_attribs);
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if (!glx_pixmap) {
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fprintf(stderr, "Failed to create glx pixmap\n");
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XFreePixmap(dpy, new_window_pixmap);
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return false;
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@ -137,45 +138,53 @@ static bool recreate_window_pixmap(Display *dpy, Window window_id, WindowPixmap
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glGenTextures(1, &pixmap.texture_id);
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glBindTexture(GL_TEXTURE_2D, pixmap.texture_id);
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//glEnable(GL_BLEND);
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//glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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// glEnable(GL_BLEND);
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// glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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glXBindTexImageEXT(dpy, pixmap.glx_pixmap, GLX_FRONT_EXT, NULL);
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glGenerateMipmap(GL_TEXTURE_2D);
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glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &pixmap.texture_width);
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glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT, &pixmap.texture_height);
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glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);//GL_LINEAR );
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glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);//GL_LINEAR);//GL_LINEAR_MIPMAP_LINEAR );
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glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH,
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&pixmap.texture_width);
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glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT,
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&pixmap.texture_height);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
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GL_NEAREST); // GL_LINEAR );
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
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GL_NEAREST); // GL_LINEAR);//GL_LINEAR_MIPMAP_LINEAR );
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glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
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printf("texture width: %d, height: %d\n", pixmap.texture_width, pixmap.texture_height);
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printf("texture width: %d, height: %d\n", pixmap.texture_width,
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pixmap.texture_height);
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// Generating this second texture is needed because cuGraphicsGLRegisterImage
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// cant be used with the texture that is mapped directly to the pixmap.
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// TODO: Investigate if it's somehow possible to use the pixmap texture directly,
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// this should improve performance since only less image copy is then needed every frame.
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// Generating this second texture is needed because
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// cuGraphicsGLRegisterImage cant be used with the texture that is mapped
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// directly to the pixmap.
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// TODO: Investigate if it's somehow possible to use the pixmap texture
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// directly, this should improve performance since only less image copy is
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// then needed every frame.
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glGenTextures(1, &pixmap.target_texture_id);
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glBindTexture(GL_TEXTURE_2D, pixmap.target_texture_id);
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, pixmap.texture_width, pixmap.texture_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, pixmap.texture_width,
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pixmap.texture_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
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glGenerateMipmap(GL_TEXTURE_2D);
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int err2 = glGetError();
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printf("error: %d\n", err2);
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glCopyImageSubData(
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pixmap.texture_id, GL_TEXTURE_2D, 0, 0, 0, 0,
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glCopyImageSubData(pixmap.texture_id, GL_TEXTURE_2D, 0, 0, 0, 0,
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pixmap.target_texture_id, GL_TEXTURE_2D, 0, 0, 0, 0,
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pixmap.texture_width, pixmap.texture_height, 1);
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int err = glGetError();
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printf("error: %d\n", err);
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//glXBindTexImageEXT(dpy, pixmap.glx_pixmap, GLX_FRONT_EXT, NULL);
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//glGenerateTextureMipmapEXT(glxpixmap, GL_TEXTURE_2D);
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// glXBindTexImageEXT(dpy, pixmap.glx_pixmap, GLX_FRONT_EXT, NULL);
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// glGenerateTextureMipmapEXT(glxpixmap, GL_TEXTURE_2D);
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//glGenerateMipmap(GL_TEXTURE_2D);
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// glGenerateMipmap(GL_TEXTURE_2D);
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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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// 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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glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);//GL_LINEAR );
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glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);//GL_LINEAR);//GL_LINEAR_MIPMAP_LINEAR );
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
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GL_NEAREST); // GL_LINEAR );
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
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GL_NEAREST); // GL_LINEAR);//GL_LINEAR_MIPMAP_LINEAR );
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glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
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glBindTexture(GL_TEXTURE_2D, 0);
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@ -187,7 +196,7 @@ std::vector<std::string> get_hardware_acceleration_device_names() {
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int iGpu = 0;
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int nGpu = 0;
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cuDeviceGetCount(&nGpu);
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if(iGpu < 0 || iGpu >= nGpu) {
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if (iGpu < 0 || iGpu >= nGpu) {
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fprintf(stderr, "Error: failed...\n");
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return {};
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}
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@ -197,27 +206,29 @@ std::vector<std::string> get_hardware_acceleration_device_names() {
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char deviceName[80];
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cuDeviceGetName(deviceName, sizeof(deviceName), cuDevice);
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printf("device name: %s\n", deviceName);
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return { deviceName };
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return {deviceName};
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}
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static void receive_frames(AVCodecContext *av_codec_context, AVStream *stream, AVFormatContext *av_format_context) {
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static void receive_frames(AVCodecContext *av_codec_context, AVStream *stream,
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AVFormatContext *av_format_context) {
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AVPacket av_packet;
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av_init_packet(&av_packet);
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for( ; ; ) {
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for (;;) {
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av_packet.data = NULL;
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av_packet.size = 0;
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int res = avcodec_receive_packet(av_codec_context, &av_packet);
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if(res == 0) { // we have a packet, send the packet to the muxer
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av_packet_rescale_ts(&av_packet, av_codec_context->time_base, stream->time_base);
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if (res == 0) { // we have a packet, send the packet to the muxer
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av_packet_rescale_ts(&av_packet, av_codec_context->time_base,
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stream->time_base);
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av_packet.stream_index = stream->index;
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if(av_write_frame(av_format_context, &av_packet) < 0) {
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if (av_write_frame(av_format_context, &av_packet) < 0) {
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fprintf(stderr, "Error: Failed to write frame to muxer\n");
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}
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//av_packet_unref(&av_packet);
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} else if(res == AVERROR(EAGAIN)) { // we have no packet
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//printf("No packet!\n");
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// av_packet_unref(&av_packet);
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} else if (res == AVERROR(EAGAIN)) { // we have no packet
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// printf("No packet!\n");
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break;
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} else if(res == AVERROR_EOF) { // this is the end of the stream
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} else if (res == AVERROR_EOF) { // this is the end of the stream
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printf("End of stream!\n");
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break;
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} else {
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@ -228,28 +239,35 @@ static void receive_frames(AVCodecContext *av_codec_context, AVStream *stream, A
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av_packet_unref(&av_packet);
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}
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static AVStream* add_stream(AVFormatContext *av_format_context, AVCodec **codec, enum AVCodecID codec_id, const WindowPixmap &window_pixmap) {
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static AVStream *add_stream(AVFormatContext *av_format_context, AVCodec **codec,
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enum AVCodecID codec_id,
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const WindowPixmap &window_pixmap) {
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//*codec = avcodec_find_encoder(codec_id);
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*codec = avcodec_find_encoder_by_name("h264_nvenc");
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if(!*codec) {
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if (!*codec) {
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*codec = avcodec_find_encoder_by_name("nvenc_h264");
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}
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if(!*codec) {
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fprintf(stderr, "Error: Could not find h264_nvenc or nvenc_h264 encoder for %s\n", avcodec_get_name(codec_id));
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if (!*codec) {
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fprintf(
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stderr,
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"Error: Could not find h264_nvenc or nvenc_h264 encoder for %s\n",
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avcodec_get_name(codec_id));
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exit(1);
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}
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AVStream *stream = avformat_new_stream(av_format_context, *codec);
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if(!stream) {
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if (!stream) {
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fprintf(stderr, "Error: Could not allocate stream\n");
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exit(1);
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}
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stream->id = av_format_context->nb_streams - 1;
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AVCodecContext *codec_context = stream->codec;
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switch((*codec)->type) {
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switch ((*codec)->type) {
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case AVMEDIA_TYPE_AUDIO: {
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codec_context->sample_fmt = (*codec)->sample_fmts ? (*codec)->sample_fmts[0] : AV_SAMPLE_FMT_FLTP;
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codec_context->sample_fmt = (*codec)->sample_fmts
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? (*codec)->sample_fmts[0]
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: AV_SAMPLE_FMT_FLTP;
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codec_context->bit_rate = 64000;
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codec_context->sample_rate = 44100;
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codec_context->channels = 2;
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@ -261,22 +279,24 @@ static AVStream* add_stream(AVFormatContext *av_format_context, AVCodec **codec,
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// Resolution must be a multiple of two
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codec_context->width = window_pixmap.texture_width & ~1;
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codec_context->height = window_pixmap.texture_height & ~1;
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// Timebase: This is the fundamental unit of time (in seconds) in terms of
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// which frame timestamps are represented. For fixed-fps content,
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// timebase should be 1/framerate and timestamp increments should be identical to 1
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// Timebase: This is the fundamental unit of time (in seconds) in terms
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// of which frame timestamps are represented. For fixed-fps content,
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// timebase should be 1/framerate and timestamp increments should be
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// identical to 1
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codec_context->time_base.num = 1;
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codec_context->time_base.den = 60;
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//codec_context->framerate.num = 60;
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//codec_context->framerate.den = 1;
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// codec_context->framerate.num = 60;
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// codec_context->framerate.den = 1;
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codec_context->sample_aspect_ratio.num = 1;
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codec_context->sample_aspect_ratio.den = 1;
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codec_context->gop_size = 12; // Emit one intra frame every twelve frames at most
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codec_context->gop_size =
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12; // Emit one intra frame every twelve frames at most
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codec_context->pix_fmt = AV_PIX_FMT_CUDA;
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if(codec_context->codec_id == AV_CODEC_ID_MPEG1VIDEO)
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if (codec_context->codec_id == AV_CODEC_ID_MPEG1VIDEO)
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codec_context->mb_decision = 2;
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//stream->time_base = codec_context->time_base;
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//codec_context->ticks_per_frame = 30;
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// stream->time_base = codec_context->time_base;
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// codec_context->ticks_per_frame = 30;
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break;
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}
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default:
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@ -284,43 +304,54 @@ static AVStream* add_stream(AVFormatContext *av_format_context, AVCodec **codec,
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}
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// Some formats want stream headers to be seperate
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if(av_format_context->oformat->flags & AVFMT_GLOBALHEADER)
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if (av_format_context->oformat->flags & AVFMT_GLOBALHEADER)
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av_format_context->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
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return stream;
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}
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static void open_video(AVCodec *codec, AVStream *stream, WindowPixmap &window_pixmap, AVBufferRef **device_ctx, CUgraphicsResource *cuda_graphics_resource) {
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static void open_video(AVCodec *codec, AVStream *stream,
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WindowPixmap &window_pixmap, AVBufferRef **device_ctx,
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CUgraphicsResource *cuda_graphics_resource) {
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||||
int ret;
|
||||
AVCodecContext *codec_context = stream->codec;
|
||||
|
||||
std::vector<std::string> hardware_accelerated_devices = get_hardware_acceleration_device_names();
|
||||
if(hardware_accelerated_devices.empty()) {
|
||||
fprintf(stderr, "Error: No hardware accelerated device was found on your system\n");
|
||||
std::vector<std::string> hardware_accelerated_devices =
|
||||
get_hardware_acceleration_device_names();
|
||||
if (hardware_accelerated_devices.empty()) {
|
||||
fprintf(
|
||||
stderr,
|
||||
"Error: No hardware accelerated device was found on your system\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
if(av_hwdevice_ctx_create(device_ctx, AV_HWDEVICE_TYPE_CUDA, hardware_accelerated_devices[0].c_str(), NULL, 0) < 0) {
|
||||
fprintf(stderr, "Error: Failed to create hardware device context for gpu: %s\n", hardware_accelerated_devices[0].c_str());
|
||||
if (av_hwdevice_ctx_create(device_ctx, AV_HWDEVICE_TYPE_CUDA,
|
||||
hardware_accelerated_devices[0].c_str(), NULL,
|
||||
0) < 0) {
|
||||
fprintf(stderr,
|
||||
"Error: Failed to create hardware device context for gpu: %s\n",
|
||||
hardware_accelerated_devices[0].c_str());
|
||||
exit(1);
|
||||
}
|
||||
|
||||
AVBufferRef *frame_context = av_hwframe_ctx_alloc(*device_ctx);
|
||||
if(!frame_context) {
|
||||
if (!frame_context) {
|
||||
fprintf(stderr, "Error: Failed to create hwframe context\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
AVHWFramesContext *hw_frame_context = (AVHWFramesContext*)frame_context->data;
|
||||
AVHWFramesContext *hw_frame_context =
|
||||
(AVHWFramesContext *)frame_context->data;
|
||||
hw_frame_context->width = codec_context->width;
|
||||
hw_frame_context->height = codec_context->height;
|
||||
hw_frame_context->sw_format = AV_PIX_FMT_0BGR32;
|
||||
hw_frame_context->format = codec_context->pix_fmt;
|
||||
hw_frame_context->device_ref = *device_ctx;
|
||||
hw_frame_context->device_ctx = (AVHWDeviceContext*)(*device_ctx)->data;
|
||||
hw_frame_context->device_ctx = (AVHWDeviceContext *)(*device_ctx)->data;
|
||||
|
||||
if(av_hwframe_ctx_init(frame_context) < 0) {
|
||||
fprintf(stderr, "Error: Failed to initialize hardware frame context (note: ffmpeg version needs to be > 4.0\n");
|
||||
if (av_hwframe_ctx_init(frame_context) < 0) {
|
||||
fprintf(stderr, "Error: Failed to initialize hardware frame context "
|
||||
"(note: ffmpeg version needs to be > 4.0\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
@ -328,15 +359,18 @@ static void open_video(AVCodec *codec, AVStream *stream, WindowPixmap &window_pi
|
||||
codec_context->hw_frames_ctx = frame_context;
|
||||
|
||||
ret = avcodec_open2(codec_context, codec, nullptr);
|
||||
if(ret < 0) {
|
||||
fprintf(stderr, "Error: Could not open video codec: %s\n", "blabla");//av_err2str(ret));
|
||||
if (ret < 0) {
|
||||
fprintf(stderr, "Error: Could not open video codec: %s\n",
|
||||
"blabla"); // av_err2str(ret));
|
||||
exit(1);
|
||||
}
|
||||
|
||||
AVHWDeviceContext *hw_device_context = (AVHWDeviceContext*)(*device_ctx)->data;
|
||||
AVCUDADeviceContext *cuda_device_context = (AVCUDADeviceContext*)hw_device_context->hwctx;
|
||||
AVHWDeviceContext *hw_device_context =
|
||||
(AVHWDeviceContext *)(*device_ctx)->data;
|
||||
AVCUDADeviceContext *cuda_device_context =
|
||||
(AVCUDADeviceContext *)hw_device_context->hwctx;
|
||||
CUcontext *cuda_context = &(cuda_device_context->cuda_ctx);
|
||||
if(!cuda_context) {
|
||||
if (!cuda_context) {
|
||||
fprintf(stderr, "Error: No cuda context\n");
|
||||
exit(1);
|
||||
}
|
||||
@ -345,22 +379,27 @@ static void open_video(AVCodec *codec, AVStream *stream, WindowPixmap &window_pi
|
||||
CUcontext old_ctx;
|
||||
res = cuCtxPopCurrent(&old_ctx);
|
||||
res = cuCtxPushCurrent(*cuda_context);
|
||||
res = cuGraphicsGLRegisterImage(cuda_graphics_resource, window_pixmap.target_texture_id, GL_TEXTURE_2D, CU_GRAPHICS_REGISTER_FLAGS_READ_ONLY);
|
||||
//cuGraphicsUnregisterResource(*cuda_graphics_resource);
|
||||
if(res != CUDA_SUCCESS) {
|
||||
fprintf(stderr, "Error: cuGraphicsGLRegisterImage failed, error %d, texture id: %u\n", res, window_pixmap.target_texture_id);
|
||||
res = cuGraphicsGLRegisterImage(
|
||||
cuda_graphics_resource, window_pixmap.target_texture_id, GL_TEXTURE_2D,
|
||||
CU_GRAPHICS_REGISTER_FLAGS_READ_ONLY);
|
||||
// cuGraphicsUnregisterResource(*cuda_graphics_resource);
|
||||
if (res != CUDA_SUCCESS) {
|
||||
fprintf(stderr,
|
||||
"Error: cuGraphicsGLRegisterImage failed, error %d, texture "
|
||||
"id: %u\n",
|
||||
res, window_pixmap.target_texture_id);
|
||||
exit(1);
|
||||
}
|
||||
res = cuCtxPopCurrent(&old_ctx);
|
||||
}
|
||||
|
||||
static void close_video(AVStream *video_stream, AVFrame *frame) {
|
||||
//avcodec_close(video_stream->codec);
|
||||
//av_frame_free(&frame);
|
||||
// avcodec_close(video_stream->codec);
|
||||
// av_frame_free(&frame);
|
||||
}
|
||||
|
||||
int main(int argc, char **argv) {
|
||||
if(argc < 2) {
|
||||
if (argc < 2) {
|
||||
fprintf(stderr, "usage: hardware-screen-recorder <window_id>\n");
|
||||
return 1;
|
||||
}
|
||||
@ -368,39 +407,43 @@ int main(int argc, char **argv) {
|
||||
Window src_window_id = strtol(argv[1], nullptr, 0);
|
||||
|
||||
Display *dpy = XOpenDisplay(nullptr);
|
||||
if(!dpy) {
|
||||
if (!dpy) {
|
||||
fprintf(stderr, "Error: Failed to open display\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
bool has_name_pixmap = x11_supports_composite_named_window_pixmap(dpy);
|
||||
if(!has_name_pixmap) {
|
||||
fprintf(stderr, "Error: XCompositeNameWindowPixmap is not supported by your X11 server\n");
|
||||
if (!has_name_pixmap) {
|
||||
fprintf(stderr, "Error: XCompositeNameWindowPixmap is not supported by "
|
||||
"your X11 server\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
// TODO: Verify if this is needed
|
||||
int screen_count = ScreenCount(dpy);
|
||||
for(int i = 0; i < screen_count; ++i) {
|
||||
XCompositeRedirectSubwindows(dpy, RootWindow(dpy, i), CompositeRedirectAutomatic);
|
||||
for (int i = 0; i < screen_count; ++i) {
|
||||
XCompositeRedirectSubwindows(dpy, RootWindow(dpy, i),
|
||||
CompositeRedirectAutomatic);
|
||||
}
|
||||
|
||||
XWindowAttributes attr;
|
||||
if(!XGetWindowAttributes(dpy, src_window_id, &attr)) {
|
||||
if (!XGetWindowAttributes(dpy, src_window_id, &attr)) {
|
||||
fprintf(stderr, "Error: Invalid window id: %lu\n", src_window_id);
|
||||
return 1;
|
||||
}
|
||||
|
||||
//glXMakeContextCurrent(Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx)
|
||||
if(!glfwInit()) {
|
||||
// glXMakeContextCurrent(Display *dpy, GLXDrawable draw, GLXDrawable read,
|
||||
// GLXContext ctx)
|
||||
if (!glfwInit()) {
|
||||
fprintf(stderr, "Error: Failed to initialize glfw\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
glfwWindowHint(GLFW_RESIZABLE, GL_FALSE);
|
||||
|
||||
GLFWwindow *window = glfwCreateWindow(1280, 720, "Hello world", nullptr, nullptr);
|
||||
if(!window) {
|
||||
GLFWwindow *window =
|
||||
glfwCreateWindow(1280, 720, "Hello world", nullptr, nullptr);
|
||||
if (!window) {
|
||||
fprintf(stderr, "Error: Failed to create glfw window\n");
|
||||
glfwTerminate();
|
||||
return 1;
|
||||
@ -412,77 +455,88 @@ int main(int argc, char **argv) {
|
||||
glewExperimental = GL_TRUE;
|
||||
GLenum nGlewError = glewInit();
|
||||
if (nGlewError != GLEW_OK) {
|
||||
fprintf(stderr, "%s - Error initializing GLEW! %s\n", __FUNCTION__, glewGetErrorString(nGlewError));
|
||||
fprintf(stderr, "%s - Error initializing GLEW! %s\n", __FUNCTION__,
|
||||
glewGetErrorString(nGlewError));
|
||||
return 1;
|
||||
}
|
||||
glGetError(); // to clear the error caused deep in GLEW
|
||||
|
||||
WindowPixmap window_pixmap;
|
||||
if(!recreate_window_pixmap(dpy, src_window_id, window_pixmap)) {
|
||||
fprintf(stderr, "Error: Failed to create glx pixmap for window: %lu\n", src_window_id);
|
||||
if (!recreate_window_pixmap(dpy, src_window_id, window_pixmap)) {
|
||||
fprintf(stderr, "Error: Failed to create glx pixmap for window: %lu\n",
|
||||
src_window_id);
|
||||
return 1;
|
||||
}
|
||||
|
||||
const char *filename = "test_video.mp4";
|
||||
|
||||
|
||||
// Video start
|
||||
AVFormatContext *av_format_context;
|
||||
// The output format is automatically guessed by the file extension
|
||||
avformat_alloc_output_context2(&av_format_context, nullptr, nullptr, filename);
|
||||
if(!av_format_context) {
|
||||
fprintf(stderr, "Error: Failed to deduce output format from file extension .mp4\n");
|
||||
avformat_alloc_output_context2(&av_format_context, nullptr, nullptr,
|
||||
filename);
|
||||
if (!av_format_context) {
|
||||
fprintf(
|
||||
stderr,
|
||||
"Error: Failed to deduce output format from file extension .mp4\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
AVOutputFormat *output_format = av_format_context->oformat;
|
||||
AVCodec *video_codec;
|
||||
AVStream *video_stream = add_stream(av_format_context, &video_codec, output_format->video_codec, window_pixmap);
|
||||
if(!video_stream) {
|
||||
AVStream *video_stream =
|
||||
add_stream(av_format_context, &video_codec, output_format->video_codec,
|
||||
window_pixmap);
|
||||
if (!video_stream) {
|
||||
fprintf(stderr, "Error: Failed to create video stream\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
if(cuInit(0) < 0) {
|
||||
if (cuInit(0) < 0) {
|
||||
fprintf(stderr, "Error: cuInit failed\n");
|
||||
return {};
|
||||
}
|
||||
|
||||
AVBufferRef *device_ctx;
|
||||
CUgraphicsResource cuda_graphics_resource;
|
||||
open_video(video_codec, video_stream, window_pixmap, &device_ctx, &cuda_graphics_resource);
|
||||
open_video(video_codec, video_stream, window_pixmap, &device_ctx,
|
||||
&cuda_graphics_resource);
|
||||
av_dump_format(av_format_context, 0, filename, 1);
|
||||
|
||||
if(!(output_format->flags & AVFMT_NOFILE)) {
|
||||
if (!(output_format->flags & AVFMT_NOFILE)) {
|
||||
int ret = avio_open(&av_format_context->pb, filename, AVIO_FLAG_WRITE);
|
||||
if(ret < 0) {
|
||||
fprintf(stderr, "Error: Could not open '%s': %s\n", filename, "blabla");//av_err2str(ret));
|
||||
if (ret < 0) {
|
||||
fprintf(stderr, "Error: Could not open '%s': %s\n", filename,
|
||||
"blabla"); // av_err2str(ret));
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
|
||||
int ret = avformat_write_header(av_format_context, nullptr);
|
||||
if(ret < 0) {
|
||||
fprintf(stderr, "Error occurred when opening output file: %s\n", "blabla");//av_err2str(ret));
|
||||
if (ret < 0) {
|
||||
fprintf(stderr, "Error occurred when opening output file: %s\n",
|
||||
"blabla"); // av_err2str(ret));
|
||||
return 1;
|
||||
}
|
||||
|
||||
AVHWDeviceContext *hw_device_context = (AVHWDeviceContext*)device_ctx->data;
|
||||
AVCUDADeviceContext *cuda_device_context = (AVCUDADeviceContext*)hw_device_context->hwctx;
|
||||
AVHWDeviceContext *hw_device_context =
|
||||
(AVHWDeviceContext *)device_ctx->data;
|
||||
AVCUDADeviceContext *cuda_device_context =
|
||||
(AVCUDADeviceContext *)hw_device_context->hwctx;
|
||||
CUcontext *cuda_context = &(cuda_device_context->cuda_ctx);
|
||||
if(!cuda_context) {
|
||||
if (!cuda_context) {
|
||||
fprintf(stderr, "Error: No cuda context\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
//av_frame_free(&rgb_frame);
|
||||
//avcodec_close(av_codec_context);
|
||||
// av_frame_free(&rgb_frame);
|
||||
// avcodec_close(av_codec_context);
|
||||
|
||||
XSelectInput(dpy, src_window_id, StructureNotifyMask);
|
||||
|
||||
int damage_event;
|
||||
int damage_error;
|
||||
if(!XDamageQueryExtension(dpy, &damage_event, &damage_error)) {
|
||||
if (!XDamageQueryExtension(dpy, &damage_event, &damage_error)) {
|
||||
fprintf(stderr, "Error: XDamage is not supported by your X11 server\n");
|
||||
return 1;
|
||||
}
|
||||
@ -497,15 +551,17 @@ int main(int argc, char **argv) {
|
||||
res = cuCtxPushCurrent(*cuda_context);
|
||||
|
||||
// Get texture
|
||||
res = cuGraphicsResourceSetMapFlags(cuda_graphics_resource, CU_GRAPHICS_MAP_RESOURCE_FLAGS_READ_ONLY);
|
||||
res = cuGraphicsResourceSetMapFlags(
|
||||
cuda_graphics_resource, CU_GRAPHICS_MAP_RESOURCE_FLAGS_READ_ONLY);
|
||||
res = cuGraphicsMapResources(1, &cuda_graphics_resource, 0);
|
||||
|
||||
// Map texture to cuda array
|
||||
CUarray mapped_array;
|
||||
res = cuGraphicsSubResourceGetMappedArray(&mapped_array, cuda_graphics_resource, 0, 0);
|
||||
res = cuGraphicsSubResourceGetMappedArray(&mapped_array,
|
||||
cuda_graphics_resource, 0, 0);
|
||||
|
||||
// Release texture
|
||||
//res = cuGraphicsUnmapResources(1, &cuda_graphics_resource, 0);
|
||||
// res = cuGraphicsUnmapResources(1, &cuda_graphics_resource, 0);
|
||||
|
||||
double start_time = glfwGetTime();
|
||||
double frame_timer_start = start_time;
|
||||
@ -513,7 +569,7 @@ int main(int argc, char **argv) {
|
||||
int current_fps = 30;
|
||||
|
||||
AVFrame *frame = av_frame_alloc();
|
||||
if(!frame) {
|
||||
if (!frame) {
|
||||
fprintf(stderr, "Error: Failed to allocate frame\n");
|
||||
exit(1);
|
||||
}
|
||||
@ -521,13 +577,14 @@ int main(int argc, char **argv) {
|
||||
frame->width = video_stream->codec->width;
|
||||
frame->height = video_stream->codec->height;
|
||||
|
||||
if(av_hwframe_get_buffer(video_stream->codec->hw_frames_ctx, frame, 0) < 0) {
|
||||
if (av_hwframe_get_buffer(video_stream->codec->hw_frames_ctx, frame, 0) <
|
||||
0) {
|
||||
fprintf(stderr, "Error: av_hwframe_get_buffer failed\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
XEvent e;
|
||||
while(!glfwWindowShouldClose(window)) {
|
||||
while (!glfwWindowShouldClose(window)) {
|
||||
glClear(GL_COLOR_BUFFER_BIT);
|
||||
glfwSwapBuffers(window);
|
||||
glfwPollEvents();
|
||||
@ -539,21 +596,22 @@ int main(int argc, char **argv) {
|
||||
}
|
||||
|
||||
if (XCheckTypedEvent(dpy, damage_event + XDamageNotify, &e)) {
|
||||
//printf("Redraw!\n");
|
||||
XDamageNotifyEvent *de = (XDamageNotifyEvent*)&e;
|
||||
// printf("Redraw!\n");
|
||||
XDamageNotifyEvent *de = (XDamageNotifyEvent *)&e;
|
||||
// de->drawable is the window ID of the damaged window
|
||||
XserverRegion region = XFixesCreateRegion(dpy, nullptr, 0);
|
||||
// Subtract all the damage, repairing the window
|
||||
XDamageSubtract(dpy, de->damage, None, region);
|
||||
XFixesDestroyRegion(dpy, region);
|
||||
|
||||
// TODO: Use a framebuffer instead. glCopyImageSubData requires opengl 4.2
|
||||
// TODO: Use a framebuffer instead. glCopyImageSubData requires
|
||||
// opengl 4.2
|
||||
glCopyImageSubData(
|
||||
window_pixmap.texture_id, GL_TEXTURE_2D, 0, 0, 0, 0,
|
||||
window_pixmap.target_texture_id, GL_TEXTURE_2D, 0, 0, 0, 0,
|
||||
window_pixmap.texture_width, window_pixmap.texture_height, 1);
|
||||
//int err = glGetError();
|
||||
//printf("error: %d\n", err);
|
||||
// int err = glGetError();
|
||||
// printf("error: %d\n", err);
|
||||
|
||||
CUDA_MEMCPY2D memcpy_struct;
|
||||
memcpy_struct.srcXInBytes = 0;
|
||||
@ -570,7 +628,7 @@ int main(int argc, char **argv) {
|
||||
memcpy_struct.WidthInBytes = frame->width * 4;
|
||||
memcpy_struct.Height = frame->height;
|
||||
cuMemcpy2D(&memcpy_struct);
|
||||
//res = cuCtxPopCurrent(&old_ctx);
|
||||
// res = cuCtxPopCurrent(&old_ctx);
|
||||
}
|
||||
|
||||
++fps;
|
||||
@ -580,7 +638,7 @@ int main(int argc, char **argv) {
|
||||
double time_now = glfwGetTime();
|
||||
double frame_timer_elapsed = time_now - frame_timer_start;
|
||||
double elapsed = time_now - start_time;
|
||||
if(elapsed >= 1.0) {
|
||||
if (elapsed >= 1.0) {
|
||||
printf("fps: %d\n", fps);
|
||||
start_time = time_now;
|
||||
current_fps = fps;
|
||||
@ -588,34 +646,36 @@ int main(int argc, char **argv) {
|
||||
}
|
||||
|
||||
double frame_time_overflow = frame_timer_elapsed - target_fps;
|
||||
if(frame_time_overflow >= 0.0) {
|
||||
if (frame_time_overflow >= 0.0) {
|
||||
frame_timer_start = time_now - frame_time_overflow;
|
||||
frame->pts = frame_count;
|
||||
frame_count += 1;
|
||||
if(avcodec_send_frame(video_stream->codec, frame) < 0) {
|
||||
if (avcodec_send_frame(video_stream->codec, frame) < 0) {
|
||||
fprintf(stderr, "Error: avcodec_send_frame failed\n");
|
||||
} else {
|
||||
receive_frames(video_stream->codec, video_stream, av_format_context);
|
||||
receive_frames(video_stream->codec, video_stream,
|
||||
av_format_context);
|
||||
}
|
||||
}
|
||||
|
||||
//av_frame_free(&frame);
|
||||
// av_frame_free(&frame);
|
||||
}
|
||||
|
||||
if(av_write_trailer(av_format_context) != 0) {
|
||||
if (av_write_trailer(av_format_context) != 0) {
|
||||
fprintf(stderr, "Failed to write trailer\n");
|
||||
}
|
||||
|
||||
//close_video(video_stream, NULL);
|
||||
// close_video(video_stream, NULL);
|
||||
|
||||
// if(!(output_format->flags & AVFMT_NOFILE))
|
||||
// avio_close(av_format_context->pb);
|
||||
//avformat_free_context(av_format_context);
|
||||
//XDamageDestroy(dpy, xdamage);
|
||||
// avformat_free_context(av_format_context);
|
||||
// XDamageDestroy(dpy, xdamage);
|
||||
|
||||
//cleanup_window_pixmap(dpy, window_pixmap);
|
||||
for(int i = 0; i < screen_count; ++i) {
|
||||
XCompositeUnredirectSubwindows(dpy, RootWindow(dpy, i), CompositeRedirectAutomatic);
|
||||
// cleanup_window_pixmap(dpy, window_pixmap);
|
||||
for (int i = 0; i < screen_count; ++i) {
|
||||
XCompositeUnredirectSubwindows(dpy, RootWindow(dpy, i),
|
||||
CompositeRedirectAutomatic);
|
||||
}
|
||||
XCloseDisplay(dpy);
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user