From 935a7b892e90ead91e79ced7cb7011c69ca973e0 Mon Sep 17 00:00:00 2001 From: dec05eba Date: Wed, 9 Oct 2024 18:32:26 +0200 Subject: Rename video encoder cuda to video encoder nvenc --- src/encoder/video/cuda.c | 237 ----------------------------------------------- 1 file changed, 237 deletions(-) delete mode 100644 src/encoder/video/cuda.c (limited to 'src/encoder/video/cuda.c') diff --git a/src/encoder/video/cuda.c b/src/encoder/video/cuda.c deleted file mode 100644 index 6d26cdd..0000000 --- a/src/encoder/video/cuda.c +++ /dev/null @@ -1,237 +0,0 @@ -#include "../../../include/encoder/video/cuda.h" -#include "../../../include/egl.h" -#include "../../../include/cuda.h" - -#include -#include - -#include - -typedef struct { - gsr_video_encoder_cuda_params params; - - unsigned int target_textures[2]; - - AVBufferRef *device_ctx; - - gsr_cuda cuda; - CUgraphicsResource cuda_graphics_resources[2]; - CUarray mapped_arrays[2]; - CUstream cuda_stream; -} gsr_video_encoder_cuda; - -static bool gsr_video_encoder_cuda_setup_context(gsr_video_encoder_cuda *self, AVCodecContext *video_codec_context) { - self->device_ctx = av_hwdevice_ctx_alloc(AV_HWDEVICE_TYPE_CUDA); - if(!self->device_ctx) { - fprintf(stderr, "gsr error: gsr_video_encoder_cuda_setup_context failed: failed to create hardware device context\n"); - return false; - } - - AVHWDeviceContext *hw_device_context = (AVHWDeviceContext*)self->device_ctx->data; - AVCUDADeviceContext *cuda_device_context = (AVCUDADeviceContext*)hw_device_context->hwctx; - cuda_device_context->cuda_ctx = self->cuda.cu_ctx; - if(av_hwdevice_ctx_init(self->device_ctx) < 0) { - fprintf(stderr, "gsr error: gsr_video_encoder_cuda_setup_context failed: failed to create hardware device context\n"); - av_buffer_unref(&self->device_ctx); - return false; - } - - AVBufferRef *frame_context = av_hwframe_ctx_alloc(self->device_ctx); - if(!frame_context) { - fprintf(stderr, "gsr error: gsr_video_encoder_cuda_setup_context failed: failed to create hwframe context\n"); - av_buffer_unref(&self->device_ctx); - return false; - } - - AVHWFramesContext *hw_frame_context = (AVHWFramesContext*)frame_context->data; - hw_frame_context->width = video_codec_context->width; - hw_frame_context->height = video_codec_context->height; - hw_frame_context->sw_format = self->params.color_depth == GSR_COLOR_DEPTH_10_BITS ? AV_PIX_FMT_P010LE : AV_PIX_FMT_NV12; - hw_frame_context->format = video_codec_context->pix_fmt; - hw_frame_context->device_ctx = (AVHWDeviceContext*)self->device_ctx->data; - - if (av_hwframe_ctx_init(frame_context) < 0) { - fprintf(stderr, "gsr error: gsr_video_encoder_cuda_setup_context failed: failed to initialize hardware frame context " - "(note: ffmpeg version needs to be > 4.0)\n"); - av_buffer_unref(&self->device_ctx); - //av_buffer_unref(&frame_context); - return false; - } - - self->cuda_stream = cuda_device_context->stream; - video_codec_context->hw_frames_ctx = av_buffer_ref(frame_context); - av_buffer_unref(&frame_context); - return true; -} - -static unsigned int gl_create_texture(gsr_egl *egl, int width, int height, int internal_format, unsigned int format) { - unsigned int texture_id = 0; - egl->glGenTextures(1, &texture_id); - egl->glBindTexture(GL_TEXTURE_2D, texture_id); - egl->glTexImage2D(GL_TEXTURE_2D, 0, internal_format, width, height, 0, format, GL_UNSIGNED_BYTE, NULL); - - egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); - egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - - egl->glBindTexture(GL_TEXTURE_2D, 0); - return texture_id; -} - -static bool cuda_register_opengl_texture(gsr_cuda *cuda, CUgraphicsResource *cuda_graphics_resource, CUarray *mapped_array, unsigned int texture_id) { - CUresult res; - res = cuda->cuGraphicsGLRegisterImage(cuda_graphics_resource, texture_id, GL_TEXTURE_2D, CU_GRAPHICS_REGISTER_FLAGS_NONE); - if (res != CUDA_SUCCESS) { - const char *err_str = "unknown"; - cuda->cuGetErrorString(res, &err_str); - fprintf(stderr, "gsr error: cuda_register_opengl_texture: cuGraphicsGLRegisterImage failed, error: %s, texture " "id: %u\n", err_str, texture_id); - return false; - } - - res = cuda->cuGraphicsResourceSetMapFlags(*cuda_graphics_resource, CU_GRAPHICS_MAP_RESOURCE_FLAGS_NONE); - res = cuda->cuGraphicsMapResources(1, cuda_graphics_resource, 0); - - res = cuda->cuGraphicsSubResourceGetMappedArray(mapped_array, *cuda_graphics_resource, 0, 0); - return true; -} - -static bool gsr_video_encoder_cuda_setup_textures(gsr_video_encoder_cuda *self, AVCodecContext *video_codec_context, AVFrame *frame) { - const int res = av_hwframe_get_buffer(video_codec_context->hw_frames_ctx, frame, 0); - if(res < 0) { - fprintf(stderr, "gsr error: gsr_video_encoder_cuda_setup_textures: av_hwframe_get_buffer failed: %d\n", res); - return false; - } - - const unsigned int internal_formats_nv12[2] = { GL_R8, GL_RG8 }; - const unsigned int internal_formats_p010[2] = { GL_R16, GL_RG16 }; - const unsigned int formats[2] = { GL_RED, GL_RG }; - const int div[2] = {1, 2}; // divide UV texture size by 2 because chroma is half size - - for(int i = 0; i < 2; ++i) { - self->target_textures[i] = gl_create_texture(self->params.egl, video_codec_context->width / div[i], video_codec_context->height / div[i], self->params.color_depth == GSR_COLOR_DEPTH_8_BITS ? internal_formats_nv12[i] : internal_formats_p010[i], formats[i]); - if(self->target_textures[i] == 0) { - fprintf(stderr, "gsr error: gsr_video_encoder_cuda_setup_textures: failed to create opengl texture\n"); - return false; - } - - if(!cuda_register_opengl_texture(&self->cuda, &self->cuda_graphics_resources[i], &self->mapped_arrays[i], self->target_textures[i])) { - return false; - } - } - - return true; -} - -static void gsr_video_encoder_cuda_stop(gsr_video_encoder_cuda *self, AVCodecContext *video_codec_context); - -static bool gsr_video_encoder_cuda_start(gsr_video_encoder *encoder, AVCodecContext *video_codec_context, AVFrame *frame) { - gsr_video_encoder_cuda *self = encoder->priv; - - const bool overclock = gsr_egl_get_display_server(self->params.egl) == GSR_DISPLAY_SERVER_X11 ? self->params.overclock : false; - if(!gsr_cuda_load(&self->cuda, self->params.egl->x11.dpy, overclock)) { - fprintf(stderr, "gsr error: gsr_video_encoder_cuda_start: failed to load cuda\n"); - gsr_video_encoder_cuda_stop(self, video_codec_context); - return false; - } - - if(!gsr_video_encoder_cuda_setup_context(self, video_codec_context)) { - gsr_video_encoder_cuda_stop(self, video_codec_context); - return false; - } - - if(!gsr_video_encoder_cuda_setup_textures(self, video_codec_context, frame)) { - gsr_video_encoder_cuda_stop(self, video_codec_context); - return false; - } - - return true; -} - -void gsr_video_encoder_cuda_stop(gsr_video_encoder_cuda *self, AVCodecContext *video_codec_context) { - self->params.egl->glDeleteTextures(2, self->target_textures); - self->target_textures[0] = 0; - self->target_textures[1] = 0; - - if(video_codec_context->hw_frames_ctx) - av_buffer_unref(&video_codec_context->hw_frames_ctx); - if(self->device_ctx) - av_buffer_unref(&self->device_ctx); - - if(self->cuda.cu_ctx) { - for(int i = 0; i < 2; ++i) { - if(self->cuda_graphics_resources[i]) { - self->cuda.cuGraphicsUnmapResources(1, &self->cuda_graphics_resources[i], 0); - self->cuda.cuGraphicsUnregisterResource(self->cuda_graphics_resources[i]); - self->cuda_graphics_resources[i] = 0; - } - } - } - - gsr_cuda_unload(&self->cuda); -} - -static void gsr_video_encoder_cuda_copy_textures_to_frame(gsr_video_encoder *encoder, AVFrame *frame, gsr_color_conversion *color_conversion) { - gsr_video_encoder_cuda *self = encoder->priv; - const int div[2] = {1, 2}; // divide UV texture size by 2 because chroma is half size - for(int i = 0; i < 2; ++i) { - CUDA_MEMCPY2D memcpy_struct; - memcpy_struct.srcXInBytes = 0; - memcpy_struct.srcY = 0; - memcpy_struct.srcMemoryType = CU_MEMORYTYPE_ARRAY; - - memcpy_struct.dstXInBytes = 0; - memcpy_struct.dstY = 0; - memcpy_struct.dstMemoryType = CU_MEMORYTYPE_DEVICE; - - memcpy_struct.srcArray = self->mapped_arrays[i]; - memcpy_struct.srcPitch = frame->width / div[i]; - memcpy_struct.dstDevice = (CUdeviceptr)frame->data[i]; - memcpy_struct.dstPitch = frame->linesize[i]; - memcpy_struct.WidthInBytes = frame->width * (self->params.color_depth == GSR_COLOR_DEPTH_10_BITS ? 2 : 1); - memcpy_struct.Height = frame->height / div[i]; - // TODO: Remove this copy if possible - self->cuda.cuMemcpy2DAsync_v2(&memcpy_struct, self->cuda_stream); - } - - // TODO: needed? - self->cuda.cuStreamSynchronize(self->cuda_stream); -} - -static void gsr_video_encoder_cuda_get_textures(gsr_video_encoder *encoder, unsigned int *textures, int *num_textures, gsr_destination_color *destination_color) { - gsr_video_encoder_cuda *self = encoder->priv; - textures[0] = self->target_textures[0]; - textures[1] = self->target_textures[1]; - *num_textures = 2; - *destination_color = self->params.color_depth == GSR_COLOR_DEPTH_10_BITS ? GSR_DESTINATION_COLOR_P010 : GSR_DESTINATION_COLOR_NV12; -} - -static void gsr_video_encoder_cuda_destroy(gsr_video_encoder *encoder, AVCodecContext *video_codec_context) { - gsr_video_encoder_cuda_stop(encoder->priv, video_codec_context); - free(encoder->priv); - free(encoder); -} - -gsr_video_encoder* gsr_video_encoder_cuda_create(const gsr_video_encoder_cuda_params *params) { - gsr_video_encoder *encoder = calloc(1, sizeof(gsr_video_encoder)); - if(!encoder) - return NULL; - - gsr_video_encoder_cuda *encoder_cuda = calloc(1, sizeof(gsr_video_encoder_cuda)); - if(!encoder_cuda) { - free(encoder); - return NULL; - } - - encoder_cuda->params = *params; - - *encoder = (gsr_video_encoder) { - .start = gsr_video_encoder_cuda_start, - .copy_textures_to_frame = gsr_video_encoder_cuda_copy_textures_to_frame, - .get_textures = gsr_video_encoder_cuda_get_textures, - .destroy = gsr_video_encoder_cuda_destroy, - .priv = encoder_cuda - }; - - return encoder; -} -- cgit v1.2.3