PapaTutuWawa/gpu-screen-recorder
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Add option to record a display or all displays. This requires nvfbc

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This commit is contained in:
dec05eba
2021-07-23 17:33:37 +02:00
parent 7b39bd81c0
commit 4617e2c45a
5 changed files with 2586 additions and 192 deletions
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517
src/main.cpp
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@@ -52,6 +52,8 @@ extern "C" {
#include <libavutil/hwcontext.h>
}
#include "../include/NvFBCLibrary.hpp"
#include <deque>
//#include <CL/cl.h>
@@ -397,12 +399,13 @@ static AVStream *add_audio_stream(AVFormatContext *av_format_context, AVCodec **
static AVStream *add_video_stream(AVFormatContext *av_format_context, AVCodec **codec,
VideoQuality video_quality,
const WindowPixmap &window_pixmap,
int texture_width, int texture_height,
int fps) {
//*codec = avcodec_find_encoder(codec_id);
*codec = avcodec_find_encoder_by_name("h264_nvenc");
bool using_hevc = true;
*codec = avcodec_find_encoder_by_name("hevc_nvenc");
if (!*codec) {
*codec = avcodec_find_encoder_by_name("nvenc_h264");
*codec = avcodec_find_encoder_by_name("nvenc_hevc");
}
if (!*codec) {
fprintf(
@@ -425,8 +428,8 @@ static AVStream *add_video_stream(AVFormatContext *av_format_context, AVCodec **
assert((*codec)->type == AVMEDIA_TYPE_VIDEO);
codec_context->codec_id = (*codec)->id;
fprintf(stderr, "codec id: %d\n", (*codec)->id);
codec_context->width = window_pixmap.texture_width & ~1;
codec_context->height = window_pixmap.texture_height & ~1;
codec_context->width = texture_width & ~1;
codec_context->height = texture_height & ~1;
codec_context->bit_rate = 7500000 + (codec_context->width * codec_context->height) / 2;
// Timebase: This is the fundamental unit of time (in seconds) in terms
// of which frame timestamps are represented. For fixed-fps content,
@@ -439,7 +442,7 @@ static AVStream *add_video_stream(AVFormatContext *av_format_context, AVCodec **
codec_context->sample_aspect_ratio.num = 0;
codec_context->sample_aspect_ratio.den = 0;
codec_context->gop_size = fps * 2;
codec_context->max_b_frames = 2;
codec_context->max_b_frames = using_hevc ? 0 : 2;
codec_context->pix_fmt = AV_PIX_FMT_CUDA;
codec_context->color_range = AVCOL_RANGE_JPEG;
switch(video_quality) {
@@ -577,24 +580,26 @@ static void open_video(AVCodec *codec, AVStream *stream,
exit(1);
}
CUresult res;
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) {
const char *err_str;
cuGetErrorString(res, &err_str);
fprintf(stderr,
"Error: cuGraphicsGLRegisterImage failed, error %s, texture "
"id: %u\n",
err_str, window_pixmap.target_texture_id);
exit(1);
if(window_pixmap.target_texture_id != 0) {
CUresult res;
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) {
const char *err_str;
cuGetErrorString(res, &err_str);
fprintf(stderr,
"Error: cuGraphicsGLRegisterImage failed, error %s, texture "
"id: %u\n",
err_str, window_pixmap.target_texture_id);
exit(1);
}
res = cuCtxPopCurrent(&old_ctx);
}
res = cuCtxPopCurrent(&old_ctx);
}
static void close_video(AVStream *video_stream, AVFrame *frame) {
@@ -605,9 +610,10 @@ static void close_video(AVStream *video_stream, AVFrame *frame) {
static void usage() {
fprintf(stderr, "usage: gpu-screen-recorder -w <window_id> -c <container_format> -f <fps> [-a <audio_input>] [-q <quality>] [-r <replay_buffer_size_sec>] [-o <output_file>]\n");
fprintf(stderr, "OPTIONS:\n");
fprintf(stderr, " -w Window to record.\n");
fprintf(stderr, " -w Window to record or a display or \"screen\". The display is the display name in xrandr and if \"screen\" is selected then all displays are recorded and they are recorded in h265 (aka hevc). Recording a display requires a gpu with NvFBC support.\n");
//fprintf(stderr, " -s The screen region to capture in format WxH+X+Y. This is only applicable when -w is a display or \"screen\". Optional, the entire window/display/screen is recorded by default.\n");
fprintf(stderr, " -c Container format for output file, for example mp4, or flv.\n");
fprintf(stderr, " -f Framerate to record at.\n");
fprintf(stderr, " -f Framerate to record at. Clamped to [1,500].\n");
fprintf(stderr, " -a Audio device to record from (pulse audio device). Optional, disabled by default.\n");
fprintf(stderr, " -q Video quality. Should either be 'medium', 'high' or 'ultra'. Optional, set to 'medium' be default.\n");
fprintf(stderr, " -r Replay buffer size in seconds. If this is set, then only the last seconds as set by this option will be stored"
@@ -628,17 +634,39 @@ struct Arg {
bool optional;
};
static bool is_hex_num(char c) {
return (c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f') || (c >= '0' && c <= '9');
}
static bool contains_non_hex_number(const char *str) {
size_t len = strlen(str);
if(len >= 2 && memcmp(str, "0x", 2) == 0) {
str += 2;
len -= 2;
}
for(size_t i = 0; i < len; ++i) {
char c = str[i];
if(c == '\0')
return false;
if(!is_hex_num(c))
return true;
}
return false;
}
int main(int argc, char **argv) {
signal(SIGINT, int_handler);
std::map<std::string, Arg> args = {
{ "-w", Arg { nullptr, false } },
//{ "-s", Arg { nullptr, true } },
{ "-c", Arg { nullptr, false } },
{ "-f", Arg { nullptr, false } },
{ "-a", Arg { nullptr, true } },
{ "-q", Arg { nullptr, true } },
{ "-o", Arg { nullptr, true } },
{ "-r", Arg { nullptr, true} }
{ "-r", Arg { nullptr, true } }
};
for(int i = 1; i < argc - 1; i += 2) {
@@ -657,13 +685,30 @@ int main(int argc, char **argv) {
}
}
Window src_window_id = strtol(args["-w"].value, nullptr, 0);
uint32_t region_x = 0;
uint32_t region_y = 0;
uint32_t region_width = 0;
uint32_t region_height = 0;
/*
TODO: Fix this. Doesn't work for some reason
const char *screen_region = args["-s"].value;
if(screen_region) {
if(sscanf(screen_region, "%ux%u+%u+%u", &region_x, &region_y, &region_width, &region_height) != 4) {
fprintf(stderr, "Invalid value for -s '%s', expected a value in format WxH+X+Y\n", screen_region);
return 1;
}
}
*/
const char *container_format = args["-c"].value;
int fps = atoi(args["-f"].value);
if(fps <= 0 || fps > 255) {
fprintf(stderr, "invalid fps argument: %s\n", args["-f"].value);
if(fps == 0) {
fprintf(stderr, "Invalid fps argument: %s\n", args["-f"].value);
return 1;
}
if(fps > 500)
fps = 500;
const char *quality_str = args["-q"].value;
if(!quality_str)
@@ -681,12 +726,6 @@ int main(int argc, char **argv) {
usage();
}
const char *filename = args["-o"].value;
if(!filename)
filename = "/dev/stdout";
const double target_fps = 1.0 / (double)fps;
int replay_buffer_size_secs = -1;
const char *replay_buffer_size_secs_str = args["-r"].value;
if(replay_buffer_size_secs_str) {
@@ -698,70 +737,133 @@ int main(int argc, char **argv) {
replay_buffer_size_secs += 5; // Add a few seconds to account of lost packets because of non-keyframe packets skipped
}
Display *dpy = XOpenDisplay(nullptr);
if (!dpy) {
fprintf(stderr, "Error: Failed to open display\n");
CUresult res;
res = cuInit(0);
if(res != CUDA_SUCCESS) {
fprintf(stderr, "Error: cuInit failed (result: %d)\n", res);
return {};
}
CUdevice cu_dev;
res = cuDeviceGet(&cu_dev, 0);
if(res != CUDA_SUCCESS) {
fprintf(stderr, "Unable to get CUDA device (result: %d)\n", res);
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");
CUcontext cu_ctx;
res = cuCtxCreate_v2(&cu_ctx, CU_CTX_SCHED_AUTO, cu_dev);
if(res != CUDA_SUCCESS) {
fprintf(stderr, "Unable to create CUDA context (result: %d)\n", res);
return 1;
}
XWindowAttributes attr;
if (!XGetWindowAttributes(dpy, src_window_id, &attr)) {
fprintf(stderr, "Error: Invalid window id: %lu\n", src_window_id);
return 1;
uint32_t window_width = 0;
uint32_t window_height = 0;
NvFBCLibrary nv_fbc_library;
const char *window_str = args["-w"].value;
Window src_window_id = None;
if(contains_non_hex_number(window_str)) {
if(!nv_fbc_library.load())
return 1;
if(!nv_fbc_library.create(window_str, fps, &window_width, &window_height, region_x, region_y, region_width, region_height))
return 1;
} else {
src_window_id = strtol(window_str, nullptr, 0);
if(src_window_id == None && errno == EINVAL) {
fprintf(stderr, "Invalid window number %s\n", window_str);
usage();
}
}
XCompositeRedirectWindow(dpy, src_window_id, CompositeRedirectAutomatic);
const char *filename = args["-o"].value;
if(!filename)
filename = "/dev/stdout";
// glXMakeContextCurrent(Display *dpy, GLXDrawable draw, GLXDrawable read,
// GLXContext ctx)
if (!glfwInit()) {
fprintf(stderr, "Error: Failed to initialize glfw\n");
return 1;
}
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
glfwWindowHint(GLFW_RESIZABLE, GL_FALSE);
GLFWwindow *window = glfwCreateWindow(1, 1, "gpu-screen-recorder", nullptr, nullptr);
if (!window) {
fprintf(stderr, "Error: Failed to create glfw window\n");
glfwTerminate();
return 1;
}
glfwMakeContextCurrent(window);
glfwSwapInterval(0);
glfwHideWindow(window);
//#if defined(DEBUG)
XSetErrorHandler(x11_error_handler);
XSetIOErrorHandler(x11_io_error_handler);
//#endif
glewExperimental = GL_TRUE;
GLenum nGlewError = glewInit();
if (nGlewError != GLEW_OK) {
fprintf(stderr, "%s - Error initializing GLEW! %s\n", __FUNCTION__,
glewGetErrorString(nGlewError));
return 1;
}
glGetError(); // to clear the error caused deep in GLEW
const double target_fps = 1.0 / (double)fps;
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);
return 1;
Display *dpy = nullptr;
GLFWwindow *window = nullptr;
if(src_window_id) {
dpy = XOpenDisplay(nullptr);
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");
return 1;
}
XWindowAttributes attr;
if (!XGetWindowAttributes(dpy, src_window_id, &attr)) {
fprintf(stderr, "Error: Invalid window id: %lu\n", src_window_id);
return 1;
}
XCompositeRedirectWindow(dpy, src_window_id, CompositeRedirectAutomatic);
// glXMakeContextCurrent(Display *dpy, GLXDrawable draw, GLXDrawable read,
// GLXContext ctx)
if (!glfwInit()) {
fprintf(stderr, "Error: Failed to initialize glfw\n");
return 1;
}
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
glfwWindowHint(GLFW_RESIZABLE, GL_FALSE);
window = glfwCreateWindow(1, 1, "gpu-screen-recorder", nullptr, nullptr);
if (!window) {
fprintf(stderr, "Error: Failed to create glfw window\n");
glfwTerminate();
return 1;
}
glfwMakeContextCurrent(window);
glfwSwapInterval(0);
glfwHideWindow(window);
//#if defined(DEBUG)
XSetErrorHandler(x11_error_handler);
XSetIOErrorHandler(x11_io_error_handler);
//#endif
glewExperimental = GL_TRUE;
GLenum nGlewError = glewInit();
if (nGlewError != GLEW_OK) {
fprintf(stderr, "%s - Error initializing GLEW! %s\n", __FUNCTION__,
glewGetErrorString(nGlewError));
return 1;
}
glGetError(); // to clear the error caused deep in GLEW
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;
}
} else {
window_pixmap.texture_id = 0;
window_pixmap.target_texture_id = 0;
window_pixmap.texture_width = window_width;
window_pixmap.texture_height = window_height;
if (!glfwInit()) {
fprintf(stderr, "Error: Failed to initialize glfw\n");
return 1;
}
}
// Video start
@@ -780,8 +882,7 @@ int main(int argc, char **argv) {
AVCodec *video_codec;
AVStream *video_stream =
add_video_stream(av_format_context, &video_codec, quality,
window_pixmap, fps);
add_video_stream(av_format_context, &video_codec, quality, window_pixmap.texture_width, window_pixmap.texture_height, fps);
if (!video_stream) {
fprintf(stderr, "Error: Failed to create video stream\n");
return 1;
@@ -795,11 +896,6 @@ int main(int argc, char **argv) {
return 1;
}
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,
@@ -841,7 +937,8 @@ int main(int argc, char **argv) {
// av_frame_free(&rgb_frame);
// avcodec_close(av_codec_context);
XSelectInput(dpy, src_window_id, StructureNotifyMask);
if(dpy)
XSelectInput(dpy, src_window_id, StructureNotifyMask);
/*
int damage_event;
@@ -857,20 +954,21 @@ int main(int argc, char **argv) {
int frame_count = 0;
CUresult res;
CUcontext old_ctx;
res = cuCtxPopCurrent(&old_ctx);
res = cuCtxPushCurrent(*cuda_context);
// Get texture
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);
if(src_window_id) {
res = cuCtxPopCurrent(&old_ctx);
res = cuCtxPushCurrent(*cuda_context);
// Get texture
res = cuGraphicsResourceSetMapFlags(
cuda_graphics_resource, CU_GRAPHICS_MAP_RESOURCE_FLAGS_READ_ONLY);
res = cuGraphicsMapResources(1, &cuda_graphics_resource, 0);
// Map texture to cuda array
res = cuGraphicsSubResourceGetMappedArray(&mapped_array,
cuda_graphics_resource, 0, 0);
}
// Release texture
// res = cuGraphicsUnmapResources(1, &cuda_graphics_resource, 0);
@@ -896,11 +994,12 @@ int main(int argc, char **argv) {
exit(1);
}
XWindowAttributes xwa;
XGetWindowAttributes(dpy, src_window_id, &xwa);
int window_width = xwa.width;
int window_height = xwa.height;
if(dpy) {
XWindowAttributes xwa;
XGetWindowAttributes(dpy, src_window_id, &xwa);
window_width = xwa.width;
window_height = xwa.height;
}
int original_window_width = window_width;
int original_window_height = window_height;
@@ -999,67 +1098,70 @@ int main(int argc, char **argv) {
while (running) {
double frame_start = glfwGetTime();
glfwPollEvents();
glClear(GL_COLOR_BUFFER_BIT);
if (XCheckTypedWindowEvent(dpy, src_window_id, ConfigureNotify, &e) && e.xconfigure.window == src_window_id) {
// Window resize
if(e.xconfigure.width != window_width || e.xconfigure.height != window_height) {
window_width = e.xconfigure.width;
window_height = e.xconfigure.height;
window_resize_timer = glfwGetTime();
window_resized = true;
}
}
if(window)
glClear(GL_COLOR_BUFFER_BIT);
redraw = true;
const double window_resize_timeout = 1.0; // 1 second
if(window_resized && glfwGetTime() - window_resize_timer >= window_resize_timeout) {
window_resized = false;
fprintf(stderr, "Resize window!\n");
recreate_window_pixmap(dpy, src_window_id, window_pixmap);
// Resolution must be a multiple of two
//video_stream->codec->width = window_pixmap.texture_width & ~1;
//video_stream->codec->height = window_pixmap.texture_height & ~1;
cuGraphicsUnregisterResource(cuda_graphics_resource);
res = cuGraphicsGLRegisterImage(
&cuda_graphics_resource, window_pixmap.target_texture_id, GL_TEXTURE_2D,
CU_GRAPHICS_REGISTER_FLAGS_READ_ONLY);
if (res != CUDA_SUCCESS) {
const char *err_str;
cuGetErrorString(res, &err_str);
fprintf(stderr,
"Error: cuGraphicsGLRegisterImage failed, error %s, texture "
"id: %u\n",
err_str, window_pixmap.target_texture_id);
running = false;
break;
if(src_window_id) {
if (XCheckTypedWindowEvent(dpy, src_window_id, ConfigureNotify, &e) && e.xconfigure.window == src_window_id) {
// Window resize
if(e.xconfigure.width != window_width || e.xconfigure.height != window_height) {
window_width = e.xconfigure.width;
window_height = e.xconfigure.height;
window_resize_timer = glfwGetTime();
window_resized = true;
}
}
res = cuGraphicsResourceSetMapFlags(
cuda_graphics_resource, CU_GRAPHICS_MAP_RESOURCE_FLAGS_READ_ONLY);
res = cuGraphicsMapResources(1, &cuda_graphics_resource, 0);
res = cuGraphicsSubResourceGetMappedArray(&mapped_array, cuda_graphics_resource, 0, 0);
const double window_resize_timeout = 1.0; // 1 second
if(window_resized && glfwGetTime() - window_resize_timer >= window_resize_timeout) {
window_resized = false;
fprintf(stderr, "Resize window!\n");
recreate_window_pixmap(dpy, src_window_id, window_pixmap);
// Resolution must be a multiple of two
//video_stream->codec->width = window_pixmap.texture_width & ~1;
//video_stream->codec->height = window_pixmap.texture_height & ~1;
av_frame_unref(frame);
if (av_hwframe_get_buffer(video_stream->codec->hw_frames_ctx, frame, 0) < 0) {
fprintf(stderr, "Error: av_hwframe_get_buffer failed\n");
running = false;
break;
cuGraphicsUnregisterResource(cuda_graphics_resource);
res = cuGraphicsGLRegisterImage(
&cuda_graphics_resource, window_pixmap.target_texture_id, GL_TEXTURE_2D,
CU_GRAPHICS_REGISTER_FLAGS_READ_ONLY);
if (res != CUDA_SUCCESS) {
const char *err_str;
cuGetErrorString(res, &err_str);
fprintf(stderr,
"Error: cuGraphicsGLRegisterImage failed, error %s, texture "
"id: %u\n",
err_str, window_pixmap.target_texture_id);
running = false;
break;
}
res = cuGraphicsResourceSetMapFlags(
cuda_graphics_resource, CU_GRAPHICS_MAP_RESOURCE_FLAGS_READ_ONLY);
res = cuGraphicsMapResources(1, &cuda_graphics_resource, 0);
res = cuGraphicsSubResourceGetMappedArray(&mapped_array, cuda_graphics_resource, 0, 0);
av_frame_unref(frame);
if (av_hwframe_get_buffer(video_stream->codec->hw_frames_ctx, frame, 0) < 0) {
fprintf(stderr, "Error: av_hwframe_get_buffer failed\n");
running = false;
break;
}
frame->pts = frame_count;
if(window_width < original_window_width)
frame->width = window_pixmap.texture_width & ~1;
else
frame->width = original_window_width;
if(window_height < original_window_height)
frame->height = window_pixmap.texture_height & ~1;
else
frame->height = original_window_height;
}
frame->pts = frame_count;
if(window_width < original_window_width)
frame->width = window_pixmap.texture_width & ~1;
else
frame->width = original_window_width;
if(window_height < original_window_height)
frame->height = window_pixmap.texture_height & ~1;
else
frame->height = original_window_height;
}
++fps_counter;
@@ -1078,33 +1180,64 @@ int main(int argc, char **argv) {
if (frame_time_overflow >= 0.0) {
frame_timer_start = time_now - frame_time_overflow;
bool frame_captured = true;
if(redraw) {
redraw = false;
// 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);
glfwSwapBuffers(window);
// int err = glGetError();
// fprintf(stderr, "error: %d\n", err);
if(src_window_id) {
// 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);
glfwSwapBuffers(window);
// int err = glGetError();
// fprintf(stderr, "error: %d\n", err);
CUDA_MEMCPY2D memcpy_struct;
memcpy_struct.srcXInBytes = 0;
memcpy_struct.srcY = 0;
memcpy_struct.srcMemoryType = CUmemorytype::CU_MEMORYTYPE_ARRAY;
CUDA_MEMCPY2D memcpy_struct;
memcpy_struct.srcXInBytes = 0;
memcpy_struct.srcY = 0;
memcpy_struct.srcMemoryType = CUmemorytype::CU_MEMORYTYPE_ARRAY;
memcpy_struct.dstXInBytes = 0;
memcpy_struct.dstY = 0;
memcpy_struct.dstMemoryType = CUmemorytype::CU_MEMORYTYPE_DEVICE;
memcpy_struct.dstXInBytes = 0;
memcpy_struct.dstY = 0;
memcpy_struct.dstMemoryType = CUmemorytype::CU_MEMORYTYPE_DEVICE;
memcpy_struct.srcArray = mapped_array;
memcpy_struct.dstDevice = (CUdeviceptr)frame->data[0];
memcpy_struct.dstPitch = frame->linesize[0];
memcpy_struct.WidthInBytes = frame->width * 4;
memcpy_struct.Height = frame->height;
cuMemcpy2D(&memcpy_struct);
memcpy_struct.srcArray = mapped_array;
memcpy_struct.dstDevice = (CUdeviceptr)frame->data[0];
memcpy_struct.dstPitch = frame->linesize[0];
memcpy_struct.WidthInBytes = frame->width * 4;
memcpy_struct.Height = frame->height;
cuMemcpy2D(&memcpy_struct);
frame_captured = true;
} else {
uint32_t byte_size;
CUdeviceptr src_cu_device_ptr;
frame_captured = nv_fbc_library.capture(&src_cu_device_ptr, &byte_size);
if(frame_captured) {
// TODO: Is it possible to bypass this copy?
/*
CUDA_MEMCPY2D memcpy_struct;
memcpy_struct.srcXInBytes = 0;
memcpy_struct.srcY = 0;
memcpy_struct.srcMemoryType = CUmemorytype::CU_MEMORYTYPE_DEVICE;
memcpy_struct.dstXInBytes = 0;
memcpy_struct.dstY = 0;
memcpy_struct.dstMemoryType = CUmemorytype::CU_MEMORYTYPE_DEVICE;
memcpy_struct.srcDevice = src_cu_device_ptr;
memcpy_struct.dstDevice = (CUdeviceptr)frame->data[0];
memcpy_struct.dstPitch = frame->linesize[0];
memcpy_struct.WidthInBytes = frame->width * 4;
memcpy_struct.Height = frame->height;
cuMemcpy2D(&memcpy_struct);
*/
cuMemcpyDtoD((CUdeviceptr)frame->data[0], src_cu_device_ptr, byte_size);
//frame->data[0] = (uint8_t*)src_cu_device_ptr;
}
}
// res = cuCtxPopCurrent(&old_ctx);
}
@@ -1196,6 +1329,8 @@ int main(int argc, char **argv) {
// avformat_free_context(av_format_context);
// cleanup_window_pixmap(dpy, window_pixmap);
XCompositeUnredirectWindow(dpy, src_window_id, CompositeRedirectAutomatic);
XCloseDisplay(dpy);
if(dpy) {
XCompositeUnredirectWindow(dpy, src_window_id, CompositeRedirectAutomatic);
XCloseDisplay(dpy);
}
}