Separate video encoding method from capture method

With this instead of kms_cuda/kms_vaapi/kms_software and
xcomposite_cuda/xcomposite_vaapi/xcomposite_software there
is now only kms and xcomposite.

1 files changed, 21 insertions, 436 deletions

diff --git a/src/capture/capture.c b/src/capture/capture.c
index a5735fb..40507bf 100644
--- a/src/capture/capture.c
+++ b/src/capture/capture.c
@@ -1,20 +1,8 @@
 #include "../../include/capture/capture.h"
-#include "../../include/egl.h"
-#include "../../include/cuda.h"
-#include "../../include/utils.h"
-#include <stdio.h>
-#include <stdint.h>
-#include <va/va.h>
-#include <va/va_drmcommon.h>
-#include <libavutil/frame.h>
-#include <libavutil/hwcontext_vaapi.h>
-#include <libavutil/hwcontext_cuda.h>
-#include <libavcodec/avcodec.h>
+#include <assert.h>
 
 int gsr_capture_start(gsr_capture *cap, AVCodecContext *video_codec_context, AVFrame *frame) {
-    if(cap->started)
-        return -1;
-
+    assert(!cap->started);
     int res = cap->start(cap, video_codec_context, frame);
     if(res == 0)
         cap->started = true;
@@ -23,444 +11,41 @@ int gsr_capture_start(gsr_capture *cap, AVCodecContext *video_codec_context, AVF
 }
 
 void gsr_capture_tick(gsr_capture *cap, AVCodecContext *video_codec_context) {
-    if(!cap->started) {
-        fprintf(stderr, "gsr error: gsp_capture_tick failed: the gsr capture has not been started\n");
-        return;
-    }
-
+    assert(cap->started);
     if(cap->tick)
         cap->tick(cap, video_codec_context);
 }
 
 bool gsr_capture_should_stop(gsr_capture *cap, bool *err) {
-    if(!cap->started) {
-        fprintf(stderr, "gsr error: gsr_capture_should_stop failed: the gsr capture has not been started\n");
-        return false;
-    }
-
-    if(!cap->should_stop)
-        return false;
-
-    return cap->should_stop(cap, err);
-}
-
-int gsr_capture_capture(gsr_capture *cap, AVFrame *frame) {
-    if(!cap->started) {
-        fprintf(stderr, "gsr error: gsr_capture_capture failed: the gsr capture has not been started\n");
-        return -1;
-    }
-    return cap->capture(cap, frame);
-}
-
-void gsr_capture_end(gsr_capture *cap, AVFrame *frame) {
-    if(!cap->started) {
-        fprintf(stderr, "gsr error: gsr_capture_end failed: the gsr capture has not been started\n");
-        return;
-    }
-
-    if(!cap->capture_end)
-        return;
-
-    cap->capture_end(cap, frame);
-}
-
-void gsr_capture_destroy(gsr_capture *cap, AVCodecContext *video_codec_context) {
-    cap->destroy(cap, video_codec_context);
-}
-
-static uint32_t fourcc(uint32_t a, uint32_t b, uint32_t c, uint32_t d) {
-    return (d << 24) | (c << 16) | (b << 8) | a;
-}
-
-bool gsr_capture_base_setup_vaapi_textures(gsr_capture_base *self, AVFrame *frame, VADisplay va_dpy, VADRMPRIMESurfaceDescriptor *prime, gsr_color_range color_range) {
-    const int res = av_hwframe_get_buffer(self->video_codec_context->hw_frames_ctx, frame, 0);
-    if(res < 0) {
-        fprintf(stderr, "gsr error: gsr_capture_kms_setup_vaapi_textures: av_hwframe_get_buffer failed: %d\n", res);
-        return false;
-    }
-
-    VASurfaceID target_surface_id = (uintptr_t)frame->data[3];
-
-    VAStatus va_status = vaExportSurfaceHandle(va_dpy, target_surface_id, VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME_2, VA_EXPORT_SURFACE_WRITE_ONLY | VA_EXPORT_SURFACE_SEPARATE_LAYERS, prime);
-    if(va_status != VA_STATUS_SUCCESS) {
-        fprintf(stderr, "gsr error: gsr_capture_kms_setup_vaapi_textures: vaExportSurfaceHandle failed, error: %d\n", va_status);
-        return false;
-    }
-    vaSyncSurface(va_dpy, target_surface_id);
-
-    self->egl->glGenTextures(1, &self->input_texture);
-    self->egl->glBindTexture(GL_TEXTURE_2D, self->input_texture);
-    self->egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-    self->egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-    self->egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-    self->egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-    self->egl->glBindTexture(GL_TEXTURE_2D, 0);
-
-    self->egl->glGenTextures(1, &self->cursor_texture);
-    self->egl->glBindTexture(GL_TEXTURE_2D, self->cursor_texture);
-    self->egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-    self->egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-    self->egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-    self->egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-    self->egl->glBindTexture(GL_TEXTURE_2D, 0);
-
-    const uint32_t formats_nv12[2] = { fourcc('R', '8', ' ', ' '), fourcc('G', 'R', '8', '8') };
-    const uint32_t formats_p010[2] = { fourcc('R', '1', '6', ' '), fourcc('G', 'R', '3', '2') };
-
-    if(prime->fourcc == VA_FOURCC_NV12 || prime->fourcc == VA_FOURCC_P010) {
-        const uint32_t *formats = prime->fourcc == VA_FOURCC_NV12 ? formats_nv12 : formats_p010;
-        const int div[2] = {1, 2}; // divide UV texture size by 2 because chroma is half size
-
-        self->egl->glGenTextures(2, self->target_textures);
-        for(int i = 0; i < 2; ++i) {
-            const int layer = i;
-            const int plane = 0;
-
-            const uint64_t modifier = prime->objects[prime->layers[layer].object_index[plane]].drm_format_modifier;
-            const intptr_t img_attr[] = {
-                EGL_LINUX_DRM_FOURCC_EXT,       formats[i],
-                EGL_WIDTH,                      prime->width / div[i],
-                EGL_HEIGHT,                     prime->height / div[i],
-                EGL_DMA_BUF_PLANE0_FD_EXT,      prime->objects[prime->layers[layer].object_index[plane]].fd,
-                EGL_DMA_BUF_PLANE0_OFFSET_EXT,  prime->layers[layer].offset[plane],
-                EGL_DMA_BUF_PLANE0_PITCH_EXT,   prime->layers[layer].pitch[plane],
-                EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT, modifier & 0xFFFFFFFFULL,
-                EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT, modifier >> 32ULL,
-                EGL_NONE
-            };
-
-            while(self->egl->eglGetError() != EGL_SUCCESS){}
-            EGLImage image = self->egl->eglCreateImage(self->egl->egl_display, 0, EGL_LINUX_DMA_BUF_EXT, NULL, img_attr);
-            if(!image) {
-                fprintf(stderr, "gsr error: gsr_capture_kms_setup_vaapi_textures: failed to create egl image from drm fd for output drm fd, error: %d\n", self->egl->eglGetError());
-                return false;
-            }
-
-            self->egl->glBindTexture(GL_TEXTURE_2D, self->target_textures[i]);
-            self->egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-            self->egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-            self->egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-            self->egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-
-            while(self->egl->glGetError()) {}
-            while(self->egl->eglGetError() != EGL_SUCCESS){}
-            self->egl->glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, image);
-            if(self->egl->glGetError() != 0 || self->egl->eglGetError() != EGL_SUCCESS) {
-                // TODO: Get the error properly
-                fprintf(stderr, "gsr error: gsr_capture_kms_setup_vaapi_textures: failed to bind egl image to gl texture, error: %d\n", self->egl->eglGetError());
-                self->egl->eglDestroyImage(self->egl->egl_display, image);
-                self->egl->glBindTexture(GL_TEXTURE_2D, 0);
-                return false;
-            }
-
-            self->egl->eglDestroyImage(self->egl->egl_display, image);
-            self->egl->glBindTexture(GL_TEXTURE_2D, 0);
-        }
-
-        gsr_color_conversion_params color_conversion_params = {0};
-        color_conversion_params.color_range = color_range;
-        color_conversion_params.egl = self->egl;
-        color_conversion_params.source_color = GSR_SOURCE_COLOR_RGB;
-        if(prime->fourcc == VA_FOURCC_NV12)
-            color_conversion_params.destination_color = GSR_DESTINATION_COLOR_NV12;
-        else
-            color_conversion_params.destination_color = GSR_DESTINATION_COLOR_P010;
-
-        color_conversion_params.destination_textures[0] = self->target_textures[0];
-        color_conversion_params.destination_textures[1] = self->target_textures[1];
-        color_conversion_params.num_destination_textures = 2;
-
-        if(gsr_color_conversion_init(&self->color_conversion, &color_conversion_params) != 0) {
-            fprintf(stderr, "gsr error: gsr_capture_kms_setup_vaapi_textures: failed to create color conversion\n");
-            return false;
-        }
-
-        gsr_color_conversion_clear(&self->color_conversion);
-
-        return true;
-    } else {
-        fprintf(stderr, "gsr error: gsr_capture_kms_setup_vaapi_textures: unexpected fourcc %u for output drm fd, expected nv12 or p010\n", prime->fourcc);
+    assert(cap->started);
+    if(cap->should_stop)
+        return cap->should_stop(cap, err);
+    else
         return false;
-    }
 }
 
-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;
+int gsr_capture_capture(gsr_capture *cap, AVFrame *frame, gsr_color_conversion *color_conversion) {
+    assert(cap->started);
+    return cap->capture(cap, frame, color_conversion);
 }
 
-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;
+void gsr_capture_capture_end(gsr_capture *cap, AVFrame *frame) {
+    assert(cap->started);
+    if(cap->capture_end)
+        cap->capture_end(cap, frame);
 }
 
-bool gsr_capture_base_setup_cuda_textures(gsr_capture_base *self, AVFrame *frame, gsr_cuda_context *cuda_context, gsr_color_range color_range, gsr_source_color source_color, bool hdr) {
-    // TODO:
-    const int res = av_hwframe_get_buffer(self->video_codec_context->hw_frames_ctx, frame, 0);
-    if(res < 0) {
-        fprintf(stderr, "gsr error: gsr_capture_kms_setup_cuda_textures: av_hwframe_get_buffer failed: %d\n", res);
-        return false;
-    }
-
-    self->egl->glGenTextures(1, &self->input_texture);
-    self->egl->glBindTexture(GL_TEXTURE_2D, self->input_texture);
-    self->egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-    self->egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-    self->egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-    self->egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-    self->egl->glBindTexture(GL_TEXTURE_2D, 0);
-
-    self->egl->glGenTextures(1, &self->cursor_texture);
-    self->egl->glBindTexture(GL_TEXTURE_EXTERNAL_OES, self->cursor_texture);
-    self->egl->glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-    self->egl->glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-    self->egl->glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-    self->egl->glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-    self->egl->glBindTexture(GL_TEXTURE_EXTERNAL_OES, 0);
-
-    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->egl, self->video_codec_context->width / div[i], self->video_codec_context->height / div[i], !hdr ? internal_formats_nv12[i] : internal_formats_p010[i], formats[i]);
-        if(self->target_textures[i] == 0) {
-            fprintf(stderr, "gsr error: gsr_capture_kms_setup_cuda_textures: failed to create opengl texture\n");
-            return false;
-        }
-
-        if(!cuda_register_opengl_texture(cuda_context->cuda, &cuda_context->cuda_graphics_resources[i], &cuda_context->mapped_arrays[i], self->target_textures[i])) {
-            return false;
-        }
-    }
-
-    gsr_color_conversion_params color_conversion_params = {0};
-    color_conversion_params.color_range = color_range;
-    color_conversion_params.egl = self->egl;
-    color_conversion_params.source_color = source_color;
-    if(!hdr)
-        color_conversion_params.destination_color = GSR_DESTINATION_COLOR_NV12;
-    else
-        color_conversion_params.destination_color = GSR_DESTINATION_COLOR_P010;
-
-    color_conversion_params.destination_textures[0] = self->target_textures[0];
-    color_conversion_params.destination_textures[1] = self->target_textures[1];
-    color_conversion_params.num_destination_textures = 2;
-    color_conversion_params.load_external_image_shader = true;
-
-    if(gsr_color_conversion_init(&self->color_conversion, &color_conversion_params) != 0) {
-        fprintf(stderr, "gsr error: gsr_capture_kms_setup_cuda_textures: failed to create color conversion\n");
-        return false;
-    }
-
-    gsr_color_conversion_clear(&self->color_conversion);
-
-    return true;
+gsr_source_color gsr_capture_get_source_color(gsr_capture *cap) {
+    return cap->get_source_color(cap);
 }
 
-bool gsr_capture_base_setup_textures(gsr_capture_base *self, AVFrame *frame, gsr_color_range color_range, gsr_source_color source_color, bool hdr, bool cursor_texture_is_external) {
-    int res = av_frame_get_buffer(frame, 1); // TODO: Align?
-    if(res < 0) {
-        fprintf(stderr, "gsr error: gsr_capture_base_setup_textures: av_frame_get_buffer failed: %d\n", res);
-        return false;
-    }
-
-    res = av_frame_make_writable(frame);
-    if(res < 0) {
-        fprintf(stderr, "gsr error: gsr_capture_base_setup_textures: av_frame_make_writable failed: %d\n", res);
-        return false;
-    }
-
-    self->egl->glGenTextures(1, &self->input_texture);
-    self->egl->glBindTexture(GL_TEXTURE_2D, self->input_texture);
-    self->egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-    self->egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-    self->egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-    self->egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-    self->egl->glBindTexture(GL_TEXTURE_2D, 0);
-
-    const int target = cursor_texture_is_external ? GL_TEXTURE_EXTERNAL_OES : GL_TEXTURE_2D;
-    self->egl->glGenTextures(1, &self->cursor_texture);
-    self->egl->glBindTexture(target, self->cursor_texture);
-    self->egl->glTexParameteri(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-    self->egl->glTexParameteri(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-    self->egl->glTexParameteri(target, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-    self->egl->glTexParameteri(target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-    self->egl->glBindTexture(target, 0);
-
-    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->egl, self->video_codec_context->width / div[i], self->video_codec_context->height / div[i], !hdr ? internal_formats_nv12[i] : internal_formats_p010[i], formats[i]);
-        if(self->target_textures[i] == 0) {
-            fprintf(stderr, "gsr error: gsr_capture_kms_setup_cuda_textures: failed to create opengl texture\n");
-            return false;
-        }
-    }
-
-    gsr_color_conversion_params color_conversion_params = {0};
-    color_conversion_params.color_range = color_range;
-    color_conversion_params.egl = self->egl;
-    color_conversion_params.source_color = source_color;
-    if(!hdr)
-        color_conversion_params.destination_color = GSR_DESTINATION_COLOR_NV12;
+bool gsr_capture_uses_external_image(gsr_capture *cap) {
+    if(cap->uses_external_image)
+        return cap->uses_external_image(cap);
     else
-        color_conversion_params.destination_color = GSR_DESTINATION_COLOR_P010;
-
-    color_conversion_params.destination_textures[0] = self->target_textures[0];
-    color_conversion_params.destination_textures[1] = self->target_textures[1];
-    color_conversion_params.num_destination_textures = 2;
-    color_conversion_params.load_external_image_shader = true;
-
-    if(gsr_color_conversion_init(&self->color_conversion, &color_conversion_params) != 0) {
-        fprintf(stderr, "gsr error: gsr_capture_kms_setup_cuda_textures: failed to create color conversion\n");
-        return false;
-    }
-
-    gsr_color_conversion_clear(&self->color_conversion);
-
-    return true;
-}
-
-void gsr_capture_base_stop(gsr_capture_base *self) {
-    gsr_color_conversion_deinit(&self->color_conversion);
-
-    if(self->egl->egl_context) {
-        if(self->input_texture) {
-            self->egl->glDeleteTextures(1, &self->input_texture);
-            self->input_texture = 0;
-        }
-
-        if(self->cursor_texture) {
-            self->egl->glDeleteTextures(1, &self->cursor_texture);
-            self->cursor_texture = 0;
-        }
-
-        self->egl->glDeleteTextures(2, self->target_textures);
-        self->target_textures[0] = 0;
-        self->target_textures[1] = 0;
-    }
-
-    if(self->video_codec_context->hw_device_ctx)
-        av_buffer_unref(&self->video_codec_context->hw_device_ctx);
-    if(self->video_codec_context->hw_frames_ctx)
-        av_buffer_unref(&self->video_codec_context->hw_frames_ctx);
-}
-
-bool vaapi_create_codec_context(const char *card_path, AVCodecContext *video_codec_context, int width, int height, bool hdr, VADisplay *va_dpy) {
-    char render_path[128];
-    if(!gsr_card_path_get_render_path(card_path, render_path)) {
-        fprintf(stderr, "gsr error: failed to get /dev/dri/renderDXXX file from %s\n", card_path);
-        return false;
-    }
-
-    AVBufferRef *device_ctx;
-    if(av_hwdevice_ctx_create(&device_ctx, AV_HWDEVICE_TYPE_VAAPI, render_path, NULL, 0) < 0) {
-        fprintf(stderr, "Error: Failed to create hardware device context\n");
-        return false;
-    }
-
-    AVBufferRef *frame_context = av_hwframe_ctx_alloc(device_ctx);
-    if(!frame_context) {
-        fprintf(stderr, "Error: Failed to create hwframe context\n");
-        av_buffer_unref(&device_ctx);
-        return false;
-    }
-
-    AVHWFramesContext *hw_frame_context =
-        (AVHWFramesContext *)frame_context->data;
-    hw_frame_context->width = width;
-    hw_frame_context->height = height;
-    hw_frame_context->sw_format = hdr ? AV_PIX_FMT_P010LE : AV_PIX_FMT_NV12;
-    hw_frame_context->format = video_codec_context->pix_fmt;
-    hw_frame_context->device_ref = device_ctx;
-    hw_frame_context->device_ctx = (AVHWDeviceContext*)device_ctx->data;
-
-    //hw_frame_context->initial_pool_size = 20;
-
-    AVVAAPIDeviceContext *vactx =((AVHWDeviceContext*)device_ctx->data)->hwctx;
-    *va_dpy = vactx->display;
-
-    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");
-        av_buffer_unref(&device_ctx);
-        //av_buffer_unref(&frame_context);
         return false;
-    }
-
-    video_codec_context->hw_device_ctx = av_buffer_ref(device_ctx);
-    video_codec_context->hw_frames_ctx = av_buffer_ref(frame_context);
-    return true;
 }
 
-bool cuda_create_codec_context(CUcontext cu_ctx, AVCodecContext *video_codec_context, int width, int height, bool hdr, CUstream *cuda_stream) {
-    AVBufferRef *device_ctx = av_hwdevice_ctx_alloc(AV_HWDEVICE_TYPE_CUDA);
-    if(!device_ctx) {
-        fprintf(stderr, "gsr error: cuda_create_codec_context failed: failed to create hardware device context\n");
-        return false;
-    }
-
-    AVHWDeviceContext *hw_device_context = (AVHWDeviceContext*)device_ctx->data;
-    AVCUDADeviceContext *cuda_device_context = (AVCUDADeviceContext*)hw_device_context->hwctx;
-    cuda_device_context->cuda_ctx = cu_ctx;
-    if(av_hwdevice_ctx_init(device_ctx) < 0) {
-        fprintf(stderr, "gsr error: cuda_create_codec_context failed: failed to create hardware device context\n");
-        av_buffer_unref(&device_ctx);
-        return false;
-    }
-
-    AVBufferRef *frame_context = av_hwframe_ctx_alloc(device_ctx);
-    if(!frame_context) {
-        fprintf(stderr, "gsr error: cuda_create_codec_context failed: failed to create hwframe context\n");
-        av_buffer_unref(&device_ctx);
-        return false;
-    }
-
-    AVHWFramesContext *hw_frame_context = (AVHWFramesContext*)frame_context->data;
-    hw_frame_context->width = width;
-    hw_frame_context->height = height;
-    hw_frame_context->sw_format = hdr ? AV_PIX_FMT_P010LE : AV_PIX_FMT_NV12;
-    hw_frame_context->format = video_codec_context->pix_fmt;
-    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, "gsr error: cuda_create_codec_context failed: failed to initialize hardware frame context "
-                        "(note: ffmpeg version needs to be > 4.0)\n");
-        av_buffer_unref(&device_ctx);
-        //av_buffer_unref(&frame_context);
-        return false;
-    }
-
-    *cuda_stream = cuda_device_context->stream;
-    video_codec_context->hw_device_ctx = av_buffer_ref(device_ctx);
-    video_codec_context->hw_frames_ctx = av_buffer_ref(frame_context);
-    return true;
+void gsr_capture_destroy(gsr_capture *cap, AVCodecContext *video_codec_context) {
+    cap->destroy(cap, video_codec_context);
 }