works
This commit is contained in:
dec05eba
parent
d841066768
commit
35810337f7
@ -4,8 +4,10 @@ type = "executable"
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version = "0.1.0"
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platforms = ["posix"]
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[config]
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include_dirs = ["/opt/cuda/targets/x86_64-linux/include"]
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[dependencies]
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cuda-10.1 = ">=10"
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ffnvcodec = ">=9"
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glew = ">=2"
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glx = ">=1"
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466
src/main.cpp
466
src/main.cpp
@ -1,5 +1,6 @@
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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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@ -38,18 +39,17 @@ 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), texture_width(0), texture_height(0) {
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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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Pixmap pixmap;
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GLXPixmap glx_pixmap;
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GLuint texture_id;
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GLuint target_texture_id;
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GLint texture_width;
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GLint texture_height;
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GLuint dst_texture_id;
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};
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static bool x11_supports_composite_named_window_pixmap(Display *dpy) {
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@ -64,6 +64,11 @@ static bool x11_supports_composite_named_window_pixmap(Display *dpy) {
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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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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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glDeleteTextures(1, &pixmap.texture_id);
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pixmap.texture_id = 0;
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@ -90,16 +95,16 @@ static bool recreate_window_pixmap(Display *dpy, Window window_id, WindowPixmap
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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_TARGETS_EXT, GLX_TEXTURE_2D_BIT_EXT,
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//GLX_BIND_TO_MIPMAP_TEXTURE_EXT, True,
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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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//GLX_Y_INVERTED_EXT, (int)GLX_DONT_CARE,
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None
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};
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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_RGB_EXT,
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GLX_MIPMAP_TEXTURE_EXT, 0,
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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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@ -134,12 +139,42 @@ 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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glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT, &pixmap.texture_height);
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printf("texture width: %d, height: %d\n", pixmap.texture_width, pixmap.texture_height);
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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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glGenTextures(1, &pixmap.target_texture_id);
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glBindTexture(GL_TEXTURE_2D, pixmap.target_texture_id);
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//glTexStorage2D()
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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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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, pixmap.texture_width, 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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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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#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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@ -147,23 +182,19 @@ static bool recreate_window_pixmap(Display *dpy, Window window_id, WindowPixmap
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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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glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
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glBindTexture(GL_TEXTURE_2D, 0);
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glGenTextures(1, &pixmap.dst_texture_id);
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glBindTexture(GL_TEXTURE_2D, pixmap.dst_texture_id);
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, pixmap.texture_width, pixmap.texture_height, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL);
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glCopyImageSubData(pixmap.texture_id, GL_TEXTURE_2D, 0, 0, 0, 0, pixmap.dst_texture_id, GL_TEXTURE_2D, 0, 0, 0, 0, pixmap.texture_width, pixmap.texture_height, 0);
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glBindTexture(GL_TEXTURE_2D, 0);
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return pixmap.texture_id != 0 && pixmap.dst_texture_id != 0;
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return pixmap.texture_id != 0 && pixmap.target_texture_id != 0;
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}
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std::vector<std::string> get_hardware_acceleration_device_names() {
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#if 1
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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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@ -219,6 +250,7 @@ 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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@ -259,6 +291,187 @@ 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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#else
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static void receive_frames(AVCodecContext *av_codec_context, AVStream *stream, AVFormatContext *av_format_context, FILE *output_file) {
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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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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 = av_rescale_q(av_packet->duration, av_codec_context->time_base, stream->time_base);
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av_packet->stream_index = stream->index;
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//av_packet->stream_index = 0;
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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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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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#endif
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static AVStream* add_stream(AVFormatContext *av_format_context, AVCodec **codec, enum AVCodecID codec_id) {
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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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fprintf(stderr, "Error: Could not find encoder for '%s'\n", 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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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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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->bit_rate = 64000;
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codec_context->sample_rate = 44100;
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codec_context->channels = 2;
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break;
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}
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case AVMEDIA_TYPE_VIDEO: {
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codec_context->codec_id = codec_id;
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codec_context->bit_rate = 400000;
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// Resolution must be a multiple of two
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codec_context->width = 640;
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codec_context->height = 480;
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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 identitcal 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->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->pix_fmt = AV_PIX_FMT_CUDA;
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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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break;
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}
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default:
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break;
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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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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, AVFrame **frame, 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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std::vector<std::string> hardware_accelerated_devices = get_hardware_acceleration_device_names();
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if(hardware_accelerated_devices.empty()) {
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fprintf(stderr, "Error: No hardware accelerated device was found on your system\n");
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exit(1);
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}
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if(av_hwdevice_ctx_create(device_ctx, AV_HWDEVICE_TYPE_CUDA, hardware_accelerated_devices[0].c_str(), NULL, 0) < 0) {
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fprintf(stderr, "Error: Failed to create hardware device context for gpu: %s\n", hardware_accelerated_devices[0].c_str());
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exit(1);
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}
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AVBufferRef *frame_context = av_hwframe_ctx_alloc(*device_ctx);
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if(!frame_context) {
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fprintf(stderr, "Error: Failed to create hwframe context\n");
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exit(1);
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}
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AVHWFramesContext *hw_frame_context = (AVHWFramesContext*)frame_context->data;
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hw_frame_context->width = codec_context->width;
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hw_frame_context->height = codec_context->height;
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hw_frame_context->sw_format = AV_PIX_FMT_0BGR32;
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hw_frame_context->format = codec_context->pix_fmt;
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hw_frame_context->device_ref = *device_ctx;
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hw_frame_context->device_ctx = (AVHWDeviceContext*)(*device_ctx)->data;
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if(av_hwframe_ctx_init(frame_context) < 0) {
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fprintf(stderr, "Error: Failed to initialize hardware frame context (note: ffmpeg version needs to be > 4.0\n");
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exit(1);
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}
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codec_context->hw_device_ctx = *device_ctx;
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codec_context->hw_frames_ctx = frame_context;
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ret = avcodec_open2(codec_context, codec, nullptr);
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if(ret < 0) {
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fprintf(stderr, "Error: Could not open video codec: %s\n", "blabla");//av_err2str(ret));
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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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if(!cuda_context) {
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fprintf(stderr, "Error: No cuda context\n");
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exit(1);
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}
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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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res = cuGraphicsGLRegisterImage(cuda_graphics_resource, window_pixmap.target_texture_id, GL_TEXTURE_2D, CU_GRAPHICS_REGISTER_FLAGS_READ_ONLY);
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if(res != CUDA_SUCCESS) {
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fprintf(stderr, "Error: cuGraphicsGLRegisterImage failed, error %d, texture id: %u\n", res, window_pixmap.target_texture_id);
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exit(1);
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}
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res = cuCtxPopCurrent(&old_ctx);
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if(av_hwframe_get_buffer(frame_context, *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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}
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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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av_frame_free(&frame);
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}
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int main(int argc, char **argv) {
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if(argc < 2) {
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@ -298,7 +511,7 @@ int main(int argc, char **argv) {
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return 1;
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}
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GLFWwindow *window = glfwCreateWindow(1920, 1080, "Hello world", nullptr, nullptr);
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GLFWwindow *window = glfwCreateWindow(3840, 2160, "Hello world", nullptr, nullptr);
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if(!window) {
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fprintf(stderr, "Error: Failed to create glfw window\n");
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glfwTerminate();
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@ -321,6 +534,205 @@ int main(int argc, char **argv) {
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return 1;
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}
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const char *filename = "test_video.mp4";
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// Video start
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AVFormatContext *av_format_context;
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// The output format is automatically guessed by the file extension
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avformat_alloc_output_context2(&av_format_context, nullptr, nullptr, filename);
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if(!av_format_context) {
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fprintf(stderr, "Error: Failed to deduce output format from file extension .mp4\n");
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return 1;
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}
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AVOutputFormat *output_format = av_format_context->oformat;
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AVCodec *video_codec;
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AVStream *video_stream = add_stream(av_format_context, &video_codec, output_format->video_codec);
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if(!video_stream) {
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fprintf(stderr, "Error: Failed to create video stream\n");
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return 1;
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}
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AVFrame *frame;
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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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av_dump_format(av_format_context, 0, filename, 1);
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if(!(output_format->flags & AVFMT_NOFILE)) {
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int ret = avio_open(&av_format_context->pb, filename, AVIO_FLAG_WRITE);
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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));
|
||||
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");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
//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);
|
||||
|
||||
int frame_count = 0;
|
||||
|
||||
FILE *output_file = fopen("video.mp4", "wb");
|
||||
if(!output_file) {
|
||||
fprintf(stderr, "Failed to open file!\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
while(!glfwWindowShouldClose(window)) {
|
||||
glClear(GL_COLOR_BUFFER_BIT);
|
||||
glfwSwapBuffers(window);
|
||||
glfwPollEvents();
|
||||
|
||||
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);
|
||||
}
|
||||
|
||||
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);
|
||||
|
||||
// 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++;
|
||||
if(avcodec_send_frame(video_stream->codec, frame) < 0) {
|
||||
fprintf(stderr, "Error: avcodec_send_frame failed\n");
|
||||
}
|
||||
receive_frames(video_stream->codec, video_stream, av_format_context, output_file);
|
||||
}
|
||||
|
||||
#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++;
|
||||
if(avcodec_send_frame(video_stream->codec, frame) < 0) {
|
||||
fprintf(stderr, "Error: avcodec_send_frame failed\n");
|
||||
}
|
||||
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) {
|
||||
@ -549,13 +961,27 @@ int main(int argc, char **argv) {
|
||||
fprintf(stderr, "Failed to write trailer\n");
|
||||
}
|
||||
|
||||
if(av_format_context->pb)
|
||||
avio_close(av_format_context->pb);
|
||||
close_video(video_stream, frame);
|
||||
|
||||
if(!(output_format->fmt & AVFMT_NOFILE))
|
||||
avio_close(output_format->pb);
|
||||
avformat_free_context(av_format_context);
|
||||
|
||||
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);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user