Rename video encoder cuda to video encoder nvenc

1 files changed, 0 insertions, 237 deletions

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 <libavcodec/avcodec.h>
-#include <libavutil/hwcontext_cuda.h>
-
-#include <stdlib.h>
-
-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;
-}