PapaTutuWawa/gpu-screen-recorder
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Fix frame timing

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This commit is contained in:
dec05eba
2020-03-30 17:22:57 +02:00
parent 405f810457
commit e74278a042
4 changed files with 88 additions and 475 deletions
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518
src/main.cpp
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@@ -13,13 +13,11 @@
#include <X11/extensions/Xcomposite.h>
#include <X11/extensions/Xdamage.h>
// TODO: Use opencl or vulkan instead
#include <ffnvcodec/nvEncodeAPI.h>
//#include <ffnvcodec/dynlink_cuda.h>
extern "C" {
#include <libavutil/hwcontext_cuda.h>
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
#include <libavutil/hwcontext.h>
}
#include <cudaGL.h>
@@ -141,7 +139,7 @@ static bool recreate_window_pixmap(Display *dpy, Window window_id, WindowPixmap
//glEnable(GL_BLEND);
//glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
#if 1
glXBindTexImageEXT(dpy, pixmap.glx_pixmap, GLX_FRONT_EXT, NULL);
glGenerateMipmap(GL_TEXTURE_2D);
glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &pixmap.texture_width);
@@ -167,16 +165,6 @@ static bool recreate_window_pixmap(Display *dpy, Window window_id, WindowPixmap
pixmap.texture_width, pixmap.texture_height, 1);
int err = glGetError();
printf("error: %d\n", err);
#else
pixmap.texture_width = 640;
pixmap.texture_height = 480;
uint8_t *image_data = (uint8_t*)malloc(pixmap.texture_width * pixmap.texture_height * 4);
assert(image_data);
for(int i = 0; i < pixmap.texture_width * pixmap.texture_height * 4; i += 4) {
*(uint32_t*)&image_data[i] = 0xFF0000FF;
}
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, pixmap.texture_width, pixmap.texture_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, image_data);
#endif
//glXBindTexImageEXT(dpy, pixmap.glx_pixmap, GLX_FRONT_EXT, NULL);
//glGenerateTextureMipmapEXT(glxpixmap, GL_TEXTURE_2D);
@@ -196,42 +184,7 @@ static bool recreate_window_pixmap(Display *dpy, Window window_id, WindowPixmap
}
std::vector<std::string> get_hardware_acceleration_device_names() {
#if 0
std::vector<std::string> result;
cl_uint platform_count = 0;
clGetPlatformIDs(0, nullptr, &platform_count);
cl_platform_id *platforms = new cl_platform_id[platform_count];
clGetPlatformIDs(platform_count, platforms, nullptr);
for(cl_uint i = 0; i < platform_count; ++i) {
cl_uint device_count = 0;
clGetDeviceIDs(platforms[i], CL_DEVICE_TYPE_GPU, 0, nullptr, &device_count);
cl_device_id *devices = new cl_device_id[device_count];
clGetDeviceIDs(platforms[i], CL_DEVICE_TYPE_GPU, device_count, devices, nullptr);
for(cl_uint j = 0; j < device_count; ++j) {
size_t value_size = 0;
clGetDeviceInfo(devices[j], CL_DEVICE_NAME, 0, nullptr, &value_size);
std::string device_name(value_size, 0);
clGetDeviceInfo(devices[j], CL_DEVICE_NAME, value_size, &device_name[0], nullptr);
printf("Device: %s\n", device_name.c_str());
result.push_back(std::move(device_name));
}
delete []devices;
}
delete []platforms;
return result;
#else
int iGpu = 0;
CUresult res;
if(cuInit(0) < 0) {
fprintf(stderr, "Error: cuInit failed\n");
return {};
}
int nGpu = 0;
cuDeviceGetCount(&nGpu);
if(iGpu < 0 || iGpu >= nGpu) {
@@ -245,61 +198,9 @@ std::vector<std::string> get_hardware_acceleration_device_names() {
cuDeviceGetName(deviceName, sizeof(deviceName), cuDevice);
printf("device name: %s\n", deviceName);
return { deviceName };
#endif
}
static inline double ToDouble(const AVRational& r) {
return (double) r.num / (double) r.den;
}
#if 0
static void receive_frames(AVCodecContext *av_codec_context, AVStream *stream, AVFormatContext *av_format_context) {
for( ; ; ) {
AVPacket *av_packet = new AVPacket;
av_init_packet(av_packet);
av_packet->data = NULL;
av_packet->size = 0;
int res = avcodec_receive_packet(av_codec_context, av_packet);
if(res == 0) { // we have a packet, send the packet to the muxer
printf("Received packet!\n");
printf("data: %p, size: %d, pts: %ld\n", (void*)av_packet->data, av_packet->size, av_packet->pts);
printf("timebase: %f\n", ToDouble(stream->time_base));
// prepare packet
av_packet_rescale_ts(av_packet, av_codec_context->time_base, stream->time_base);
av_packet->stream_index = stream->index;
/*
if(av_packet->pts != (int64_t) AV_NOPTS_VALUE) {
av_packet->pts = av_rescale_q(av_packet->pts, av_codec_context->time_base, stream->time_base);
}
if(av_packet->dts != (int64_t) AV_NOPTS_VALUE) {
av_packet->dts = av_rescale_q(av_packet->dts, av_codec_context->time_base, stream->time_base);
}
*/
if(av_interleaved_write_frame(av_format_context, av_packet) < 0) {
fprintf(stderr, "Error: Failed to write frame to muxer\n");
}
//av_packet_unref(&av_packet);
} else if(res == AVERROR(EAGAIN)) { // we have no packet
//printf("No packet!\n");
break;
} else if(res == AVERROR_EOF) { // this is the end of the stream
printf("End of stream!\n");
break;
} else {
printf("Unexpected error: %d\n", res);
break;
}
}
//av_packet_unref(&av_packet);
}
#else
static int64_t rescale_ts(AVStream *stream, int64_t val) {
return av_rescale_q_rnd(val,
stream->codec->time_base, stream->time_base, (AVRounding)(AV_ROUND_NEAR_INF | AV_ROUND_PASS_MINMAX));
}
static void receive_frames(AVCodecContext *av_codec_context, AVStream *stream, AVFormatContext *av_format_context, int fps) {
AVPacket av_packet;
av_init_packet(&av_packet);
for( ; ; ) {
@@ -307,31 +208,8 @@ static void receive_frames(AVCodecContext *av_codec_context, AVStream *stream, A
av_packet.size = 0;
int res = avcodec_receive_packet(av_codec_context, &av_packet);
if(res == 0) { // we have a packet, send the packet to the muxer
//printf("Received packet!\n");
//printf("data: %p, size: %d, pts: %ld\n", (void*)av_packet->data, av_packet->size, av_packet->pts);
//printf("timebase: %f\n", ToDouble(stream->time_base));
//av_packet.pts = av_rescale_q_rnd(av_packet.pts, av_codec_context->time_base, stream->time_base, (AVRounding)(AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX));
//av_packet.dts = av_rescale_q_rnd(av_packet.dts, av_codec_context->time_base, stream->time_base, (AVRounding)(AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX));
//av_packet.duration = 60;//av_rescale_q(av_packet->duration, av_codec_context->time_base, stream->time_base);
av_packet_rescale_ts(&av_packet, av_codec_context->time_base, stream->time_base);
//double timescale = ((double)fps / 60.0);
//av_packet.pts *= timescale;
//av_packet.dts *= timescale;
//stream->codec->time_base.num = 1;
//stream->codec->time_base.den = fps;
//av_packet.pts = rescale_ts(stream, av_packet.pts);
//av_packet.pts = rescale_ts(stream, av_packet.dts);
av_packet.stream_index = stream->index;
//av_packet->stream_index = 0;
/*
int written = fwrite(av_packet->data, 1, av_packet->size, output_file);
if(written != av_packet->size) {
fprintf(stderr, "Failed to write %d bytes to file: %d, %d\n", av_packet->size, written, ferror(output_file));
}
*/
if(av_write_frame(av_format_context, &av_packet) < 0) {
fprintf(stderr, "Error: Failed to write frame to muxer\n");
}
@@ -349,7 +227,6 @@ static void receive_frames(AVCodecContext *av_codec_context, AVStream *stream, A
}
av_packet_unref(&av_packet);
}
#endif
static AVStream* add_stream(AVFormatContext *av_format_context, AVCodec **codec, enum AVCodecID codec_id, const WindowPixmap &window_pixmap) {
//*codec = avcodec_find_encoder(codec_id);
@@ -413,7 +290,7 @@ static AVStream* add_stream(AVFormatContext *av_format_context, AVCodec **codec,
return stream;
}
static void open_video(AVCodec *codec, AVStream *stream, WindowPixmap &window_pixmap, AVFrame **frame, AVBufferRef **device_ctx, CUgraphicsResource *cuda_graphics_resource) {
static void open_video(AVCodec *codec, AVStream *stream, WindowPixmap &window_pixmap, AVBufferRef **device_ctx, CUgraphicsResource *cuda_graphics_resource) {
int ret;
AVCodecContext *codec_context = stream->codec;
@@ -456,15 +333,6 @@ static void open_video(AVCodec *codec, AVStream *stream, WindowPixmap &window_pi
exit(1);
}
*frame = av_frame_alloc();
if(!*frame) {
fprintf(stderr, "Error: Failed to allocate frame\n");
exit(1);
}
(*frame)->format = codec_context->pix_fmt;
(*frame)->width = codec_context->width;
(*frame)->height = codec_context->height;
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);
@@ -487,7 +355,7 @@ static void open_video(AVCodec *codec, AVStream *stream, WindowPixmap &window_pi
}
static void close_video(AVStream *video_stream, AVFrame *frame) {
avcodec_close(video_stream->codec);
//avcodec_close(video_stream->codec);
//av_frame_free(&frame);
}
@@ -497,7 +365,7 @@ int main(int argc, char **argv) {
return 1;
}
Window src_window_id = atoi(argv[1]);
Window src_window_id = strtol(argv[1], nullptr, 0);
Display *dpy = XOpenDisplay(nullptr);
if(!dpy) {
@@ -575,10 +443,14 @@ int main(int argc, char **argv) {
return 1;
}
AVFrame *frame;
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, &frame, &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)) {
@@ -635,31 +507,31 @@ int main(int argc, char **argv) {
// Release texture
//res = cuGraphicsUnmapResources(1, &cuda_graphics_resource, 0);
// TODO: Remove this
AVCodecContext *codec_context = video_stream->codec;
if(av_hwframe_get_buffer(codec_context->hw_frames_ctx, frame, 0) < 0) {
double start_time = glfwGetTime();
double frame_timer_start = start_time;
int fps = 0;
int current_fps = 30;
AVFrame *frame = av_frame_alloc();
if(!frame) {
fprintf(stderr, "Error: Failed to allocate frame\n");
exit(1);
}
frame->format = video_stream->codec->pix_fmt;
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) {
fprintf(stderr, "Error: av_hwframe_get_buffer failed\n");
exit(1);
}
double start_time = glfwGetTime();
int fps = 0;
int current_fps = 30;
XEvent e;
while(!glfwWindowShouldClose(window)) {
glClear(GL_COLOR_BUFFER_BIT);
glfwSwapBuffers(window);
glfwPollEvents();
double time_now = glfwGetTime();
if(time_now - start_time >= 1.0) {
printf("fps: %d\n", fps);
start_time = time_now;
current_fps = fps;
fps = 0;
}
if (XCheckTypedEvent(dpy, ConfigureNotify, &e)) {
// Window resize
printf("Resize window!\n");
@@ -702,335 +574,45 @@ int main(int argc, char **argv) {
}
++fps;
//int frame_cc = (time_now - start_time) * 0.66666;
//printf("elapsed time: %d\n", frame_cc);
frame->pts = frame_count;
frame_count += 1;
if(avcodec_send_frame(video_stream->codec, frame) < 0) {
fprintf(stderr, "Error: avcodec_send_frame failed\n");
const double target_fps = 0.0166666666;
double time_now = glfwGetTime();
double frame_timer_elapsed = time_now - frame_timer_start;
double elapsed = time_now - start_time;
if(elapsed >= 1.0) {
printf("fps: %d\n", fps);
start_time = time_now;
current_fps = fps;
fps = 0;
}
receive_frames(video_stream->codec, video_stream, av_format_context, current_fps);
}
#if 0
XEvent e;
while (1) {
XNextEvent(dpy, &e);
if (e.type == ConfigureNotify) {
// Window resize
printf("Resize window!\n");
recreate_window_pixmap(dpy, src_window_id, window_pixmap);
} else if (e.type == damage_event + XDamageNotify) {
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);
//glCopyImageSubData(window_pixmap.texture_id, GL_TEXTURE_2D, 0, 0, 0, 0, window_pixmap.dst_texture_id, GL_TEXTURE_2D, 0, 0, 0, 0, window_pixmap.texture_width, window_pixmap.texture_height, 0);
glBindTexture(GL_TEXTURE_2D, window_pixmap.dst_texture_id);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, window_pixmap.texture_width, window_pixmap.texture_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, ff);
AVCodecContext *codec_context = video_stream->codec;
if(av_hwframe_get_buffer(codec_context->hw_frames_ctx, frame, 0) < 0) {
fprintf(stderr, "Error: av_hwframe_get_buffer failed\n");
exit(1);
}
// Get context
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);
// Release texture
res = cuGraphicsUnmapResources(1, &cuda_graphics_resource, 0);
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.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);
res = cuCtxPopCurrent(&old_ctx);
frame->pts = frame_count++;
double frame_time_overflow = frame_timer_elapsed - target_fps;
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) {
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, output_file);
}
}
#endif
#if 0
//avcodec_register_all();
AVCodec *av_codec = avcodec_find_encoder_by_name("h264_nvenc"); //avcodec_find_encoder(AV_CODEC_ID_H264);
if(!av_codec) {
fprintf(stderr, "Error: No encoder was found for codec h264\n");
return 1;
}
AVOutputFormat *format = av_guess_format("mp4", nullptr, nullptr);
if(!format) {
fprintf(stderr, "Error: Invalid format: mp4\n");
return 1;
}
AVFormatContext *av_format_context = avformat_alloc_context();
av_format_context->oformat = format;
if(avio_open(&av_format_context->pb, "test_new.mp4", AVIO_FLAG_WRITE) < 0) {
fprintf(stderr, "Error: Failed to open output file: test_new.mp4");
return 1;
}
AVStream *stream = avformat_new_stream(av_format_context, av_codec);
if(!stream) {
fprintf(stderr, "Error: Failed to create stream\n");
return 1;
}
stream->id = av_format_context->nb_streams - 1;
AVCodecContext *av_codec_context = avcodec_alloc_context3(av_codec);
if(avcodec_get_context_defaults3(av_codec_context, av_codec) < 0) {
fprintf(stderr, "Error: Failed to get av codec context defaults\n");
return 1;
}
av_codec_context->codec_id = av_codec->id;
av_codec_context->codec_type = av_codec->type;
if(av_format_context->oformat->flags & AVFMT_GLOBALHEADER)
av_codec_context->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
av_codec_context->time_base.num = 1;
av_codec_context->time_base.den = 60;
av_codec_context->gop_size = 12;
av_codec_context->bit_rate = 400000;
av_codec_context->width = 720; // window_pixmap.texture_width
av_codec_context->height = 480; // window_pixmap.texture_height
#if SSR_USE_AVSTREAM_TIME_BASE
stream->time_base = codec_context->time_base;
#endif
av_codec_context->sample_aspect_ratio.num = 1;
av_codec_context->sample_aspect_ratio.den = 1;
av_codec_context->pix_fmt = AV_PIX_FMT_CUDA;
av_codec_context->codec_type = AVMEDIA_TYPE_VIDEO;
av_codec_context->sw_pix_fmt = AV_PIX_FMT_0BGR32;
stream->sample_aspect_ratio = av_codec_context->sample_aspect_ratio;
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");
return 1;
}
AVBufferRef *device_ctx = nullptr;
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());
return 1;
}
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) {
fprintf(stderr, "Error: No cuda context\n");
return 1;
}
AVBufferRef *frame_context = av_hwframe_ctx_alloc(device_ctx);
AVHWFramesContext *hw_frame_context = (AVHWFramesContext*)frame_context->data;
hw_frame_context->width = window_pixmap.texture_width;
hw_frame_context->height = window_pixmap.texture_height;
hw_frame_context->sw_format = AV_PIX_FMT_0BGR32;
hw_frame_context->format = AV_PIX_FMT_CUDA;
hw_frame_context->device_ref = device_ctx;
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");
return 1;
}
av_codec_context->hw_device_ctx = device_ctx;
av_codec_context->hw_frames_ctx = frame_context;
if(avcodec_open2(av_codec_context, av_codec, nullptr) < 0) {
fprintf(stderr, "Error: avcodec_open2 failed\n");
return 1;
}
if(avcodec_parameters_from_context(stream->codecpar, av_codec_context) < 0) {
fprintf(stderr, "Error: Can't copy parameters to stream!\n");
return 1;
}
//AVDictionary *opts = nullptr;
//av_dict_set(&opts, "b", "2.5M", 0);
// if(avcodec_open2(av_codec_context, av_codec, nullptr) < 0) {
// fprintf(stderr, "Error: avcodec_open2 failed\n");
// return 1;
// }
CUresult res;
CUcontext old_ctx;
CUgraphicsResource cuda_graphics_resource;
res = cuCtxPopCurrent(&old_ctx);
res = cuCtxPushCurrent(*cuda_context);
res = cuGraphicsGLRegisterImage(&cuda_graphics_resource, window_pixmap.dst_texture_id, GL_TEXTURE_2D, CU_GRAPHICS_REGISTER_FLAGS_READ_ONLY);
if(res != CUDA_SUCCESS) {
fprintf(stderr, "Error: cuGraphicsGLRegisterImage failed, error %d, texture id: %u\n", res, window_pixmap.texture_id);
return 1;
}
res = cuCtxPopCurrent(&old_ctx);
AVFrame *rgb_frame = av_frame_alloc();
if(av_hwframe_get_buffer(frame_context, rgb_frame, 0) < 0) {
fprintf(stderr, "Error: av_hwframe_get_buffer failed\n");
return 1;
}
// Get context
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);
// Release texture
res = cuGraphicsUnmapResources(1, &cuda_graphics_resource, 0);
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.srcArray = mapped_array;
memcpy_struct.dstDevice = (CUdeviceptr)rgb_frame->data[0];
memcpy_struct.dstPitch = rgb_frame->linesize[0];
memcpy_struct.WidthInBytes = rgb_frame->width * 4;
memcpy_struct.Height = rgb_frame->height;
cuMemcpy2D(&memcpy_struct);
// Release context
res = cuCtxPopCurrent(&old_ctx);
if(avformat_write_header(av_format_context, NULL) != 0) {
fprintf(stderr, "Error: Failed to write header\n");
return 1;
}
if(avcodec_send_frame(av_codec_context, rgb_frame) < 0) {
fprintf(stderr, "Error: avcodec_send_frame failed\n");
}
//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)) {
fprintf(stderr, "Error: XDamage is not supported by your X11 server\n");
return 1;
}
Damage xdamage = XDamageCreate(dpy, src_window_id, XDamageReportNonEmpty);
XEvent e;
while (1) {
XNextEvent(dpy, &e);
if (e.type == ConfigureNotify) {
// Window resize
printf("Resize window!\n");
recreate_window_pixmap(dpy, src_window_id, window_pixmap);
} else if (e.type == damage_event + XDamageNotify) {
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);
glCopyImageSubData(window_pixmap.texture_id, GL_TEXTURE_2D, 0, 0, 0, 0, window_pixmap.dst_texture_id, GL_TEXTURE_2D, 0, 0, 0, 0, window_pixmap.texture_width, window_pixmap.texture_height, 0);
res = cuCtxPopCurrent(&old_ctx);
res = cuCtxPushCurrent(*cuda_context);
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.srcArray = mapped_array;
memcpy_struct.dstDevice = (CUdeviceptr)rgb_frame->data[0];
memcpy_struct.dstPitch = rgb_frame->linesize[0];
memcpy_struct.WidthInBytes = rgb_frame->width * 4;
memcpy_struct.Height = rgb_frame->height;
cuMemcpy2D(&memcpy_struct);
res = cuCtxPopCurrent(&old_ctx);
if(avcodec_send_frame(av_codec_context, rgb_frame) < 0) {
fprintf(stderr, "Error: avcodec_send_frame failed\n");
}
receive_frames(av_codec_context, stream, av_format_context);
}
//av_frame_free(&frame);
}
if(av_write_trailer(av_format_context) != 0) {
fprintf(stderr, "Failed to write trailer\n");
}
close_video(video_stream, frame);
//close_video(video_stream, NULL);
if(!(output_format->fmt & AVFMT_NOFILE))
avio_close(output_format->pb);
avformat_free_context(av_format_context);
// if(!(output_format->flags & AVFMT_NOFILE))
// avio_close(av_format_context->pb);
//avformat_free_context(av_format_context);
//XDamageDestroy(dpy, xdamage);
XDamageDestroy(dpy, xdamage);
av_buffer_unref(&device_ctx);
avcodec_free_context(&av_codec_context);
#else
if(av_write_trailer(av_format_context) != 0) {
fprintf(stderr, "Failed to write trailer\n");
}
close_video(video_stream, frame);
if(!(output_format->flags & AVFMT_NOFILE))
avio_close(av_format_context->pb);
avformat_free_context(av_format_context);
XDamageDestroy(dpy, xdamage);
#endif
//cleanup_window_pixmap(dpy, window_pixmap);
for(int i = 0; i < screen_count; ++i) {
XCompositeUnredirectSubwindows(dpy, RootWindow(dpy, i), CompositeRedirectAutomatic);