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authordec05eba <dec05eba@protonmail.com>2024-03-03 03:47:30 +0100
committerdec05eba <dec05eba@protonmail.com>2024-03-08 11:34:36 +0100
commitd0c221a233e0bc07e22cffb06ec3ae77a5f96010 (patch)
tree154ad68ce13a71541bf6667f933194e313237dc1 /src/capture/capture.c
parent4d8a9e2e1d7d257aeff0497b6550df82f60bc0e8 (diff)
Refactor kms_vaapi and kms_cuda
Also fixes color metadata, color range and hdr on nvidia wayland.
Diffstat (limited to 'src/capture/capture.c')
-rw-r--r--src/capture/capture.c252
1 files changed, 248 insertions, 4 deletions
diff --git a/src/capture/capture.c b/src/capture/capture.c
index eea0d1d..f775d01 100644
--- a/src/capture/capture.c
+++ b/src/capture/capture.c
@@ -1,25 +1,35 @@
#include "../../include/capture/capture.h"
+#include "../../include/egl.h"
+#include "../../include/cuda.h"
#include <stdio.h>
+#include <stdint.h>
+#include <va/va.h>
+#include <va/va_drmcommon.h>
+#include <libavutil/frame.h>
+#include <libavcodec/avcodec.h>
-int gsr_capture_start(gsr_capture *cap, AVCodecContext *video_codec_context) {
+#define FOURCC_NV12 842094158
+#define FOURCC_P010 808530000
+
+int gsr_capture_start(gsr_capture *cap, AVCodecContext *video_codec_context, AVFrame *frame) {
if(cap->started)
return -1;
- int res = cap->start(cap, video_codec_context);
+ int res = cap->start(cap, video_codec_context, frame);
if(res == 0)
cap->started = true;
return res;
}
-void gsr_capture_tick(gsr_capture *cap, AVCodecContext *video_codec_context, AVFrame **frame) {
+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;
}
if(cap->tick)
- cap->tick(cap, video_codec_context, frame);
+ cap->tick(cap, video_codec_context);
}
bool gsr_capture_should_stop(gsr_capture *cap, bool *err) {
@@ -57,3 +67,237 @@ void gsr_capture_end(gsr_capture *cap, AVFrame *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, gsr_egl *egl, 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);
+
+ egl->glGenTextures(1, &self->input_texture);
+ egl->glBindTexture(GL_TEXTURE_2D, self->input_texture);
+ 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_MIN_FILTER, GL_LINEAR);
+ egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ egl->glBindTexture(GL_TEXTURE_2D, 0);
+
+ egl->glGenTextures(1, &self->cursor_texture);
+ egl->glBindTexture(GL_TEXTURE_2D, self->cursor_texture);
+ 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_MIN_FILTER, GL_LINEAR);
+ egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ 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 == FOURCC_NV12 || prime->fourcc == FOURCC_P010) {
+ const uint32_t *formats = prime->fourcc == FOURCC_NV12 ? formats_nv12 : formats_p010;
+ const int div[2] = {1, 2}; // divide UV texture size by 2 because chroma is half size
+
+ 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],
+ // TODO:
+ //EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT, modifier & 0xFFFFFFFFULL,
+ //EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT, modifier >> 32ULL,
+ EGL_NONE
+ };
+
+ while(egl->eglGetError() != EGL_SUCCESS){}
+ EGLImage image = egl->eglCreateImage(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", egl->eglGetError());
+ return false;
+ }
+
+ egl->glBindTexture(GL_TEXTURE_2D, self->target_textures[i]);
+ 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_MIN_FILTER, GL_LINEAR);
+ egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+ while(egl->glGetError()) {}
+ while(egl->eglGetError() != EGL_SUCCESS){}
+ egl->glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, image);
+ if(egl->glGetError() != 0 || 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", egl->eglGetError());
+ egl->eglDestroyImage(egl->egl_display, image);
+ egl->glBindTexture(GL_TEXTURE_2D, 0);
+ return false;
+ }
+
+ egl->eglDestroyImage(egl->egl_display, image);
+ 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 = egl;
+ color_conversion_params.source_color = GSR_SOURCE_COLOR_RGB;
+ if(prime->fourcc == 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;
+ }
+
+ 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);
+ 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;
+}
+
+static bool cuda_register_opengl_texture(gsr_cuda *cuda, CUgraphicsResource *cuda_graphics_resource, CUarray *mapped_array, unsigned int texture_id) {
+ CUresult res;
+ CUcontext old_ctx;
+ res = cuda->cuCtxPushCurrent_v2(cuda->cu_ctx);
+ 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);
+ res = cuda->cuCtxPopCurrent_v2(&old_ctx);
+ 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);
+ res = cuda->cuCtxPopCurrent_v2(&old_ctx);
+ return true;
+}
+
+bool gsr_capture_base_setup_cuda_textures(gsr_capture_base *base, AVFrame *frame, gsr_cuda_context *cuda_context, gsr_egl *egl, gsr_color_range color_range, bool hdr) {
+ // TODO:
+ const int res = av_hwframe_get_buffer(base->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;
+ }
+
+ egl->glGenTextures(1, &base->input_texture);
+ egl->glBindTexture(GL_TEXTURE_2D, base->input_texture);
+ 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_MIN_FILTER, GL_LINEAR);
+ egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ egl->glBindTexture(GL_TEXTURE_2D, 0);
+
+ egl->glGenTextures(1, &base->cursor_texture);
+ egl->glBindTexture(GL_TEXTURE_EXTERNAL_OES, base->cursor_texture);
+ egl->glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ egl->glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+ egl->glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ egl->glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ 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) {
+ base->target_textures[i] = gl_create_texture(egl, base->video_codec_context->width / div[i], base->video_codec_context->height / div[i], !hdr ? internal_formats_nv12[i] : internal_formats_p010[i], formats[i]);
+ if(base->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], base->target_textures[i])) {
+ return false;
+ }
+ }
+
+ gsr_color_conversion_params color_conversion_params = {0};
+ color_conversion_params.color_range = color_range;
+ color_conversion_params.egl = egl;
+ color_conversion_params.source_color = GSR_SOURCE_COLOR_RGB;
+ 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] = base->target_textures[0];
+ color_conversion_params.destination_textures[1] = base->target_textures[1];
+ color_conversion_params.num_destination_textures = 2;
+
+ if(gsr_color_conversion_init(&base->color_conversion, &color_conversion_params) != 0) {
+ fprintf(stderr, "gsr error: gsr_capture_kms_setup_cuda_textures: failed to create color conversion\n");
+ return false;
+ }
+
+ return true;
+}
+
+void gsr_capture_base_stop(gsr_capture_base *self, gsr_egl *egl) {
+ gsr_color_conversion_deinit(&self->color_conversion);
+
+ if(egl->egl_context) {
+ if(self->input_texture) {
+ egl->glDeleteTextures(1, &self->input_texture);
+ self->input_texture = 0;
+ }
+
+ if(self->cursor_texture) {
+ egl->glDeleteTextures(1, &self->cursor_texture);
+ self->cursor_texture = 0;
+ }
+
+ egl->glDeleteTextures(2, self->target_textures);
+ self->target_textures[0] = 0;
+ self->target_textures[1] = 0;
+ }
+}