Fix frame timing
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405f810457
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e74278a042
19
LICENSE
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19
LICENSE
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@ -0,0 +1,19 @@
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Copyright (c) 2020 dec05eba <dec05eba@protonmail.com>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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19
README.md
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19
README.md
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# Hardware screen recorder
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This is a screen recorder that has minimal impact on system performance by doing recording a window using the GPU only,
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similar to shadowplay on windows.
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This project is still early in development.
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# Performance
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When recording a 4k game, fps drops from 30 to 7 when using OBS Studio, however when using this screen recorder
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the fps remains at 30.
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# Requirements
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X11, Nvidia (cuda)
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# TODO
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* Support resizing the target window! right now that crashes the recorder.
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* Use the sound source in src/sound.cpp to record audio and mux it with ffmpeg to the final video.
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* Support AMD and Intel, using VAAPI. cuda and vaapi should be loaded at runtime using dlopen instead of linking to those
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libraries at compile-time.
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* Clean up the code!
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518
src/main.cpp
518
src/main.cpp
@ -13,13 +13,11 @@
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#include <X11/extensions/Xcomposite.h>
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#include <X11/extensions/Xdamage.h>
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// TODO: Use opencl or vulkan instead
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#include <ffnvcodec/nvEncodeAPI.h>
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//#include <ffnvcodec/dynlink_cuda.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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}
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#include <cudaGL.h>
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@ -141,7 +139,7 @@ static bool recreate_window_pixmap(Display *dpy, Window window_id, WindowPixmap
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//glEnable(GL_BLEND);
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//glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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#if 1
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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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@ -167,16 +165,6 @@ static bool recreate_window_pixmap(Display *dpy, Window window_id, WindowPixmap
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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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#else
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pixmap.texture_width = 640;
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pixmap.texture_height = 480;
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uint8_t *image_data = (uint8_t*)malloc(pixmap.texture_width * pixmap.texture_height * 4);
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assert(image_data);
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for(int i = 0; i < pixmap.texture_width * pixmap.texture_height * 4; i += 4) {
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*(uint32_t*)&image_data[i] = 0xFF0000FF;
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}
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, pixmap.texture_width, pixmap.texture_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, image_data);
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#endif
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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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@ -196,42 +184,7 @@ static bool recreate_window_pixmap(Display *dpy, Window window_id, WindowPixmap
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}
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std::vector<std::string> get_hardware_acceleration_device_names() {
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#if 0
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std::vector<std::string> result;
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cl_uint platform_count = 0;
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clGetPlatformIDs(0, nullptr, &platform_count);
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cl_platform_id *platforms = new cl_platform_id[platform_count];
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clGetPlatformIDs(platform_count, platforms, nullptr);
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for(cl_uint i = 0; i < platform_count; ++i) {
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cl_uint device_count = 0;
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clGetDeviceIDs(platforms[i], CL_DEVICE_TYPE_GPU, 0, nullptr, &device_count);
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cl_device_id *devices = new cl_device_id[device_count];
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clGetDeviceIDs(platforms[i], CL_DEVICE_TYPE_GPU, device_count, devices, nullptr);
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for(cl_uint j = 0; j < device_count; ++j) {
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size_t value_size = 0;
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clGetDeviceInfo(devices[j], CL_DEVICE_NAME, 0, nullptr, &value_size);
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std::string device_name(value_size, 0);
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clGetDeviceInfo(devices[j], CL_DEVICE_NAME, value_size, &device_name[0], nullptr);
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printf("Device: %s\n", device_name.c_str());
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result.push_back(std::move(device_name));
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}
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delete []devices;
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}
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delete []platforms;
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return result;
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#else
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int iGpu = 0;
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CUresult res;
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if(cuInit(0) < 0) {
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fprintf(stderr, "Error: cuInit failed\n");
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return {};
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}
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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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@ -245,61 +198,9 @@ std::vector<std::string> get_hardware_acceleration_device_names() {
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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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#endif
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}
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static inline double ToDouble(const AVRational& r) {
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return (double) r.num / (double) r.den;
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}
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#if 0
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static void receive_frames(AVCodecContext *av_codec_context, AVStream *stream, AVFormatContext *av_format_context) {
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for( ; ; ) {
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AVPacket *av_packet = new AVPacket;
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av_init_packet(av_packet);
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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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printf("Received packet!\n");
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printf("data: %p, size: %d, pts: %ld\n", (void*)av_packet->data, av_packet->size, av_packet->pts);
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printf("timebase: %f\n", ToDouble(stream->time_base));
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// prepare packet
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av_packet_rescale_ts(av_packet, av_codec_context->time_base, stream->time_base);
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av_packet->stream_index = stream->index;
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/*
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if(av_packet->pts != (int64_t) AV_NOPTS_VALUE) {
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av_packet->pts = av_rescale_q(av_packet->pts, av_codec_context->time_base, stream->time_base);
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}
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if(av_packet->dts != (int64_t) AV_NOPTS_VALUE) {
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av_packet->dts = av_rescale_q(av_packet->dts, av_codec_context->time_base, stream->time_base);
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}
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*/
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if(av_interleaved_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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break;
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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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printf("Unexpected error: %d\n", res);
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break;
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}
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}
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//av_packet_unref(&av_packet);
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}
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#else
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static int64_t rescale_ts(AVStream *stream, int64_t val) {
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return av_rescale_q_rnd(val,
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stream->codec->time_base, stream->time_base, (AVRounding)(AV_ROUND_NEAR_INF | AV_ROUND_PASS_MINMAX));
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}
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static void receive_frames(AVCodecContext *av_codec_context, AVStream *stream, AVFormatContext *av_format_context, int fps) {
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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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@ -307,31 +208,8 @@ static void receive_frames(AVCodecContext *av_codec_context, AVStream *stream, A
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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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//printf("Received packet!\n");
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//printf("data: %p, size: %d, pts: %ld\n", (void*)av_packet->data, av_packet->size, av_packet->pts);
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//printf("timebase: %f\n", ToDouble(stream->time_base));
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//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));
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//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));
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//av_packet.duration = 60;//av_rescale_q(av_packet->duration, av_codec_context->time_base, stream->time_base);
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av_packet_rescale_ts(&av_packet, av_codec_context->time_base, stream->time_base);
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//double timescale = ((double)fps / 60.0);
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//av_packet.pts *= timescale;
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//av_packet.dts *= timescale;
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//stream->codec->time_base.num = 1;
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//stream->codec->time_base.den = fps;
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//av_packet.pts = rescale_ts(stream, av_packet.pts);
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//av_packet.pts = rescale_ts(stream, av_packet.dts);
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av_packet.stream_index = stream->index;
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//av_packet->stream_index = 0;
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/*
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int written = fwrite(av_packet->data, 1, av_packet->size, output_file);
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if(written != av_packet->size) {
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fprintf(stderr, "Failed to write %d bytes to file: %d, %d\n", av_packet->size, written, ferror(output_file));
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}
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*/
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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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@ -349,7 +227,6 @@ static void receive_frames(AVCodecContext *av_codec_context, AVStream *stream, A
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}
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av_packet_unref(&av_packet);
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}
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#endif
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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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//*codec = avcodec_find_encoder(codec_id);
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@ -413,7 +290,7 @@ static AVStream* add_stream(AVFormatContext *av_format_context, AVCodec **codec,
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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, AVFrame **frame, AVBufferRef **device_ctx, CUgraphicsResource *cuda_graphics_resource) {
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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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int ret;
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AVCodecContext *codec_context = stream->codec;
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@ -456,15 +333,6 @@ static void open_video(AVCodec *codec, AVStream *stream, WindowPixmap &window_pi
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exit(1);
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}
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*frame = av_frame_alloc();
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if(!*frame) {
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fprintf(stderr, "Error: Failed to allocate frame\n");
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exit(1);
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}
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(*frame)->format = codec_context->pix_fmt;
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(*frame)->width = codec_context->width;
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(*frame)->height = codec_context->height;
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AVHWDeviceContext *hw_device_context = (AVHWDeviceContext*)(*device_ctx)->data;
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AVCUDADeviceContext *cuda_device_context = (AVCUDADeviceContext*)hw_device_context->hwctx;
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CUcontext *cuda_context = &(cuda_device_context->cuda_ctx);
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@ -487,7 +355,7 @@ static void open_video(AVCodec *codec, AVStream *stream, WindowPixmap &window_pi
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}
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static void close_video(AVStream *video_stream, AVFrame *frame) {
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avcodec_close(video_stream->codec);
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//avcodec_close(video_stream->codec);
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//av_frame_free(&frame);
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}
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@ -497,7 +365,7 @@ int main(int argc, char **argv) {
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return 1;
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}
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Window src_window_id = atoi(argv[1]);
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Window src_window_id = strtol(argv[1], nullptr, 0);
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Display *dpy = XOpenDisplay(nullptr);
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if(!dpy) {
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@ -575,10 +443,14 @@ int main(int argc, char **argv) {
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return 1;
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}
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AVFrame *frame;
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if(cuInit(0) < 0) {
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fprintf(stderr, "Error: cuInit failed\n");
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return {};
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}
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AVBufferRef *device_ctx;
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CUgraphicsResource cuda_graphics_resource;
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open_video(video_codec, video_stream, window_pixmap, &frame, &device_ctx, &cuda_graphics_resource);
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open_video(video_codec, video_stream, window_pixmap, &device_ctx, &cuda_graphics_resource);
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av_dump_format(av_format_context, 0, filename, 1);
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if(!(output_format->flags & AVFMT_NOFILE)) {
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@ -635,31 +507,31 @@ int main(int argc, char **argv) {
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// Release texture
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//res = cuGraphicsUnmapResources(1, &cuda_graphics_resource, 0);
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// TODO: Remove this
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AVCodecContext *codec_context = video_stream->codec;
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if(av_hwframe_get_buffer(codec_context->hw_frames_ctx, frame, 0) < 0) {
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double start_time = glfwGetTime();
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double frame_timer_start = start_time;
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int fps = 0;
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int current_fps = 30;
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AVFrame *frame = av_frame_alloc();
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if(!frame) {
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fprintf(stderr, "Error: Failed to allocate frame\n");
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exit(1);
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}
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frame->format = video_stream->codec->pix_fmt;
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frame->width = video_stream->codec->width;
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frame->height = video_stream->codec->height;
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if(av_hwframe_get_buffer(video_stream->codec->hw_frames_ctx, frame, 0) < 0) {
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fprintf(stderr, "Error: av_hwframe_get_buffer failed\n");
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exit(1);
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}
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double start_time = glfwGetTime();
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int fps = 0;
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int current_fps = 30;
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XEvent e;
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while(!glfwWindowShouldClose(window)) {
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glClear(GL_COLOR_BUFFER_BIT);
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glfwSwapBuffers(window);
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glfwPollEvents();
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double time_now = glfwGetTime();
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if(time_now - start_time >= 1.0) {
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printf("fps: %d\n", fps);
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start_time = time_now;
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current_fps = fps;
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fps = 0;
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}
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if (XCheckTypedEvent(dpy, ConfigureNotify, &e)) {
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// Window resize
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printf("Resize window!\n");
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@ -702,335 +574,45 @@ int main(int argc, char **argv) {
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}
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++fps;
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//int frame_cc = (time_now - start_time) * 0.66666;
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//printf("elapsed time: %d\n", frame_cc);
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frame->pts = frame_count;
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frame_count += 1;
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if(avcodec_send_frame(video_stream->codec, frame) < 0) {
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fprintf(stderr, "Error: avcodec_send_frame failed\n");
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const double target_fps = 0.0166666666;
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double time_now = glfwGetTime();
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double frame_timer_elapsed = time_now - frame_timer_start;
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double elapsed = time_now - start_time;
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if(elapsed >= 1.0) {
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printf("fps: %d\n", fps);
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start_time = time_now;
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current_fps = fps;
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fps = 0;
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}
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receive_frames(video_stream->codec, video_stream, av_format_context, current_fps);
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}
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#if 0
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XEvent e;
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while (1) {
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XNextEvent(dpy, &e);
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if (e.type == ConfigureNotify) {
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// Window resize
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printf("Resize window!\n");
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recreate_window_pixmap(dpy, src_window_id, window_pixmap);
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} else if (e.type == damage_event + XDamageNotify) {
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printf("Redraw!\n");
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XDamageNotifyEvent *de = (XDamageNotifyEvent*)&e;
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// de->drawable is the window ID of the damaged window
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XserverRegion region = XFixesCreateRegion(dpy, nullptr, 0);
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// Subtract all the damage, repairing the window
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XDamageSubtract(dpy, de->damage, None, region);
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XFixesDestroyRegion(dpy, region);
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//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);
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glBindTexture(GL_TEXTURE_2D, window_pixmap.dst_texture_id);
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, window_pixmap.texture_width, window_pixmap.texture_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, ff);
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AVCodecContext *codec_context = video_stream->codec;
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if(av_hwframe_get_buffer(codec_context->hw_frames_ctx, frame, 0) < 0) {
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fprintf(stderr, "Error: av_hwframe_get_buffer failed\n");
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exit(1);
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}
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// Get context
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CUresult res;
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CUcontext old_ctx;
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res = cuCtxPopCurrent(&old_ctx);
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res = cuCtxPushCurrent(*cuda_context);
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// Get texture
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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);
|
||||
|
@ -1,7 +0,0 @@
|
||||
#include <stdio.h>
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
printf("hello, world!\n");
|
||||
return 0;
|
||||
}
|
Loading…
Reference in New Issue
Block a user