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AMD/Intel: do custom color conversion for window capture, better colors

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This commit is contained in:
dec05eba 2023-07-23 05:19:59 +02:00
parent fafb1e84f0
commit af0961f64f
2 changed files with 113 additions and 239 deletions
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1
src/capture/kms_vaapi.c
View File

@ -38,7 +38,6 @@ typedef struct {
MonitorId monitor_id;
VADisplay va_dpy;
VADRMPRIMESurfaceDescriptor prime;
unsigned int input_texture;

351
src/capture/xcomposite_vaapi.c
View File

@ -1,6 +1,7 @@
#include "../../include/capture/xcomposite_vaapi.h"
#include "../../include/window_texture.h"
#include "../../include/utils.h"
#include "../../include/color_conversion.h"
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
@ -10,6 +11,8 @@
#include <libavutil/hwcontext_vaapi.h>
#include <libavutil/frame.h>
#include <libavcodec/avcodec.h>
#include <va/va.h>
#include <va/va_drmcommon.h>
typedef struct {
gsr_capture_xcomposite_vaapi_params params;
@ -28,19 +31,12 @@ typedef struct {
WindowTexture window_texture;
int fourcc;
int num_planes;
uint64_t modifiers;
int dmabuf_fd;
int32_t pitch;
int32_t offset;
VADisplay va_dpy;
VAConfigID config_id;
VAContextID context_id;
VASurfaceID input_surface;
VABufferID buffer_id;
VARectangle output_region;
VADRMPRIMESurfaceDescriptor prime;
unsigned int target_textures[2];
gsr_color_conversion color_conversion;
Atom net_active_window_atom;
} gsr_capture_xcomposite_vaapi;
@ -194,6 +190,12 @@ static int gsr_capture_xcomposite_vaapi_start(gsr_capture *cap, AVCodecContext *
return 0;
}
static uint32_t fourcc(uint32_t a, uint32_t b, uint32_t c, uint32_t d) {
return (d << 24) | (c << 16) | (b << 8) | a;
}
#define FOURCC_NV12 842094158
static void gsr_capture_xcomposite_vaapi_tick(gsr_capture *cap, AVCodecContext *video_codec_context, AVFrame **frame) {
gsr_capture_xcomposite_vaapi *cap_xcomp = cap->priv;
@ -301,31 +303,6 @@ static void gsr_capture_xcomposite_vaapi_tick(gsr_capture *cap, AVCodecContext *
cap_xcomp->texture_size.x = min_int(video_codec_context->width, max_int(2, even_number_ceil(cap_xcomp->texture_size.x)));
cap_xcomp->texture_size.y = min_int(video_codec_context->height, max_int(2, even_number_ceil(cap_xcomp->texture_size.y)));
if(cap_xcomp->buffer_id) {
vaDestroyBuffer(cap_xcomp->va_dpy, cap_xcomp->buffer_id);
cap_xcomp->buffer_id = 0;
}
if(cap_xcomp->context_id) {
vaDestroyContext(cap_xcomp->va_dpy, cap_xcomp->context_id);
cap_xcomp->context_id = 0;
}
if(cap_xcomp->config_id) {
vaDestroyConfig(cap_xcomp->va_dpy, cap_xcomp->config_id);
cap_xcomp->config_id = 0;
}
if(cap_xcomp->input_surface) {
vaDestroySurfaces(cap_xcomp->va_dpy, &cap_xcomp->input_surface, 1);
cap_xcomp->input_surface = 0;
}
if(cap_xcomp->dmabuf_fd) {
close(cap_xcomp->dmabuf_fd);
cap_xcomp->dmabuf_fd = 0;
}
if(!cap_xcomp->created_hw_frame) {
cap_xcomp->created_hw_frame = true;
av_frame_free(frame);
@ -352,147 +329,95 @@ static void gsr_capture_xcomposite_vaapi_tick(gsr_capture *cap, AVCodecContext *
cap_xcomp->stop_is_error = true;
return;
}
VASurfaceID target_surface_id = (uintptr_t)(*frame)->data[3];
VAStatus va_status = vaExportSurfaceHandle(cap_xcomp->va_dpy, target_surface_id, VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME_2, VA_EXPORT_SURFACE_READ_WRITE | VA_EXPORT_SURFACE_SEPARATE_LAYERS, &cap_xcomp->prime);
if(va_status != VA_STATUS_SUCCESS) {
fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_tick: vaExportSurfaceHandle failed, error: %d\n", va_status);
cap_xcomp->should_stop = true;
cap_xcomp->stop_is_error = true;
return;
}
vaSyncSurface(cap_xcomp->va_dpy, target_surface_id);
if(cap_xcomp->prime.fourcc == FOURCC_NV12) {
cap_xcomp->params.egl->glGenTextures(2, cap_xcomp->target_textures);
for(int i = 0; i < 2; ++i) {
const uint32_t formats[2] = { fourcc('R', '8', ' ', ' '), fourcc('G', 'R', '8', '8') };
const int layer = i;
const int plane = 0;
const int div[2] = {1, 2}; // divide UV texture size by 2 because chroma is half size
//const uint64_t modifier = cap_kms->prime.objects[cap_kms->prime.layers[layer].object_index[plane]].drm_format_modifier;
const intptr_t img_attr[] = {
EGL_LINUX_DRM_FOURCC_EXT, formats[i],
EGL_WIDTH, cap_xcomp->prime.width / div[i],
EGL_HEIGHT, cap_xcomp->prime.height / div[i],
EGL_DMA_BUF_PLANE0_FD_EXT, cap_xcomp->prime.objects[cap_xcomp->prime.layers[layer].object_index[plane]].fd,
EGL_DMA_BUF_PLANE0_OFFSET_EXT, cap_xcomp->prime.layers[layer].offset[plane],
EGL_DMA_BUF_PLANE0_PITCH_EXT, cap_xcomp->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(cap_xcomp->params.egl->eglGetError() != EGL_SUCCESS){}
EGLImage image = cap_xcomp->params.egl->eglCreateImage(cap_xcomp->params.egl->egl_display, 0, EGL_LINUX_DMA_BUF_EXT, NULL, img_attr);
if(!image) {
fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_tick: failed to create egl image from drm fd for output drm fd, error: %d\n", cap_xcomp->params.egl->eglGetError());
cap_xcomp->should_stop = true;
cap_xcomp->stop_is_error = true;
return;
}
cap_xcomp->params.egl->glBindTexture(GL_TEXTURE_2D, cap_xcomp->target_textures[i]);
cap_xcomp->params.egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
cap_xcomp->params.egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
cap_xcomp->params.egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
cap_xcomp->params.egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
while(cap_xcomp->params.egl->glGetError()) {}
while(cap_xcomp->params.egl->eglGetError() != EGL_SUCCESS){}
cap_xcomp->params.egl->glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, image);
if(cap_xcomp->params.egl->glGetError() != 0 || cap_xcomp->params.egl->eglGetError() != EGL_SUCCESS) {
// TODO: Get the error properly
fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_tick: failed to bind egl image to gl texture, error: %d\n", cap_xcomp->params.egl->eglGetError());
cap_xcomp->should_stop = true;
cap_xcomp->stop_is_error = true;
cap_xcomp->params.egl->eglDestroyImage(cap_xcomp->params.egl->egl_display, image);
cap_xcomp->params.egl->glBindTexture(GL_TEXTURE_2D, 0);
return;
}
cap_xcomp->params.egl->eglDestroyImage(cap_xcomp->params.egl->egl_display, image);
cap_xcomp->params.egl->glBindTexture(GL_TEXTURE_2D, 0);
}
gsr_color_conversion_params color_conversion_params = {0};
color_conversion_params.egl = cap_xcomp->params.egl;
color_conversion_params.source_color = GSR_SOURCE_COLOR_RGB;
color_conversion_params.destination_color = GSR_DESTINATION_COLOR_NV12;
color_conversion_params.destination_textures[0] = cap_xcomp->target_textures[0];
color_conversion_params.destination_textures[1] = cap_xcomp->target_textures[1];
color_conversion_params.num_destination_textures = 2;
if(gsr_color_conversion_init(&cap_xcomp->color_conversion, &color_conversion_params) != 0) {
fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_tick: failed to create color conversion\n");
cap_xcomp->should_stop = true;
cap_xcomp->stop_is_error = true;
return;
}
} else {
fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_tick: unexpected fourcc %u for output drm fd, expected nv12\n", cap_xcomp->prime.fourcc);
cap_xcomp->should_stop = true;
cap_xcomp->stop_is_error = true;
return;
}
}
int xx = 0, yy = 0;
cap_xcomp->params.egl->glBindTexture(GL_TEXTURE_2D, window_texture_get_opengl_texture_id(&cap_xcomp->window_texture));
cap_xcomp->params.egl->glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &xx);
cap_xcomp->params.egl->glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT, &yy);
cap_xcomp->params.egl->glBindTexture(GL_TEXTURE_2D, 0);
const intptr_t pixmap_attrs[] = {
EGL_IMAGE_PRESERVED_KHR, EGL_TRUE,
EGL_NONE,
};
// TODO: Use the window texture egl image directly instead of exporting it to opengl texture and then importing it to egl image again
EGLImage img = cap_xcomp->params.egl->eglCreateImage(cap_xcomp->params.egl->egl_display, cap_xcomp->params.egl->egl_context, EGL_GL_TEXTURE_2D, (EGLClientBuffer)(uint64_t)window_texture_get_opengl_texture_id(&cap_xcomp->window_texture), pixmap_attrs);
if(!img) {
fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_tick: eglCreateImage failed\n");
cap_xcomp->should_stop = true;
cap_xcomp->stop_is_error = true;
return;
}
if(!cap_xcomp->params.egl->eglExportDMABUFImageQueryMESA(cap_xcomp->params.egl->egl_display, img, &cap_xcomp->fourcc, &cap_xcomp->num_planes, &cap_xcomp->modifiers)) {
fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_tick: eglExportDMABUFImageQueryMESA failed\n");
cap_xcomp->should_stop = true;
cap_xcomp->stop_is_error = true;
cap_xcomp->params.egl->eglDestroyImage(cap_xcomp->params.egl->egl_display, img);
return;
}
if(cap_xcomp->num_planes != 1) {
fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_tick: expected 1 plane for drm buf, got %d planes\n", cap_xcomp->num_planes);
cap_xcomp->should_stop = true;
cap_xcomp->stop_is_error = true;
cap_xcomp->params.egl->eglDestroyImage(cap_xcomp->params.egl->egl_display, img);
return;
}
if(!cap_xcomp->params.egl->eglExportDMABUFImageMESA(cap_xcomp->params.egl->egl_display, img, &cap_xcomp->dmabuf_fd, &cap_xcomp->pitch, &cap_xcomp->offset)) {
fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_tick: eglExportDMABUFImageMESA failed\n");
cap_xcomp->should_stop = true;
cap_xcomp->stop_is_error = true;
cap_xcomp->params.egl->eglDestroyImage(cap_xcomp->params.egl->egl_display, img);
return;
}
cap_xcomp->params.egl->eglDestroyImage(cap_xcomp->params.egl->egl_display, img);
uintptr_t dmabuf = cap_xcomp->dmabuf_fd;
VASurfaceAttribExternalBuffers buf = {0};
buf.pixel_format = VA_FOURCC_BGRX;
buf.width = xx;
buf.height = yy;
buf.data_size = yy * cap_xcomp->pitch;
buf.num_planes = 1;
buf.pitches[0] = cap_xcomp->pitch;
buf.offsets[0] = cap_xcomp->offset;
buf.buffers = &dmabuf;
buf.num_buffers = 1;
buf.flags = 0;
buf.private_data = 0;
#define VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME 0x20000000
VASurfaceAttrib attribs[2] = {0};
attribs[0].type = VASurfaceAttribMemoryType;
attribs[0].flags = VA_SURFACE_ATTRIB_SETTABLE;
attribs[0].value.type = VAGenericValueTypeInteger;
attribs[0].value.value.i = VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME;
attribs[1].type = VASurfaceAttribExternalBufferDescriptor;
attribs[1].flags = VA_SURFACE_ATTRIB_SETTABLE;
attribs[1].value.type = VAGenericValueTypePointer;
attribs[1].value.value.p = &buf;
VAStatus va_status = vaCreateSurfaces(cap_xcomp->va_dpy, VA_RT_FORMAT_RGB32, xx, yy, &cap_xcomp->input_surface, 1, attribs, 2);
if(va_status != VA_STATUS_SUCCESS) {
fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_tick: vaCreateSurfaces failed: %d\n", va_status);
cap_xcomp->should_stop = true;
cap_xcomp->stop_is_error = true;
return;
}
va_status = vaCreateConfig(cap_xcomp->va_dpy, VAProfileNone, VAEntrypointVideoProc, NULL, 0, &cap_xcomp->config_id);
if(va_status != VA_STATUS_SUCCESS) {
fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_tick: vaCreateConfig failed: %d\n", va_status);
cap_xcomp->should_stop = true;
cap_xcomp->stop_is_error = true;
return;
}
VASurfaceID target_surface_id = (uintptr_t)(*frame)->data[3];
va_status = vaCreateContext(cap_xcomp->va_dpy, cap_xcomp->config_id, xx, yy, VA_PROGRESSIVE, &target_surface_id, 1, &cap_xcomp->context_id);
if(va_status != VA_STATUS_SUCCESS) {
fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_tick: vaCreateContext failed: %d\n", va_status);
cap_xcomp->should_stop = true;
cap_xcomp->stop_is_error = true;
return;
}
cap_xcomp->output_region = (VARectangle){
.x = 0,
.y = 0,
.width = xx,
.height = yy
};
// Copying a surface to another surface will automatically perform the color conversion. Thanks vaapi!
VAProcPipelineParameterBuffer params = {0};
params.surface = cap_xcomp->input_surface;
params.surface_region = NULL;
params.output_region = &cap_xcomp->output_region;
params.output_background_color = 0;
params.filter_flags = VA_FRAME_PICTURE;
params.input_color_properties.colour_primaries = 1;
params.input_color_properties.transfer_characteristics = 1;
params.input_color_properties.matrix_coefficients = 1;
params.surface_color_standard = VAProcColorStandardBT709;
params.input_color_properties.color_range = (*frame)->color_range == AVCOL_RANGE_JPEG ? VA_SOURCE_RANGE_FULL : VA_SOURCE_RANGE_REDUCED;
params.output_color_properties.colour_primaries = 1;
params.output_color_properties.transfer_characteristics = 1;
params.output_color_properties.matrix_coefficients = 1;
params.output_color_standard = VAProcColorStandardBT709;
params.output_color_properties.color_range = (*frame)->color_range == AVCOL_RANGE_JPEG ? VA_SOURCE_RANGE_FULL : VA_SOURCE_RANGE_REDUCED;
params.processing_mode = VAProcPerformanceMode;
va_status = vaCreateBuffer(cap_xcomp->va_dpy, cap_xcomp->context_id, VAProcPipelineParameterBufferType, sizeof(params), 1, &params, &cap_xcomp->buffer_id);
if(va_status != VA_STATUS_SUCCESS) {
fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_tick: vaCreateBuffer failed: %d\n", va_status);
cap_xcomp->should_stop = true;
cap_xcomp->stop_is_error = true;
return;
}
// Clear texture with black background because the source texture (window_texture_get_opengl_texture_id(&cap_xcomp->window_texture))
// might be smaller than cap_xcomp->target_texture_id
// TODO:
//cap_xcomp->params.egl->glClearTexImage(cap_xcomp->target_texture_id, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
}
}
@ -510,46 +435,14 @@ static bool gsr_capture_xcomposite_vaapi_should_stop(gsr_capture *cap, bool *err
}
static int gsr_capture_xcomposite_vaapi_capture(gsr_capture *cap, AVFrame *frame) {
(void)frame;
gsr_capture_xcomposite_vaapi *cap_xcomp = cap->priv;
VASurfaceID target_surface_id = (uintptr_t)frame->data[3];
VAStatus va_status = vaBeginPicture(cap_xcomp->va_dpy, cap_xcomp->context_id, target_surface_id);
if(va_status != VA_STATUS_SUCCESS) {
static bool error_printed = false;
if(!error_printed) {
error_printed = true;
fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_tick: vaBeginPicture failed: %d\n", va_status);
}
return -1;
}
va_status = vaRenderPicture(cap_xcomp->va_dpy, cap_xcomp->context_id, &cap_xcomp->buffer_id, 1);
if(va_status != VA_STATUS_SUCCESS) {
vaEndPicture(cap_xcomp->va_dpy, cap_xcomp->context_id);
static bool error_printed = false;
if(!error_printed) {
error_printed = true;
fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_tick: vaRenderPicture failed: %d\n", va_status);
}
return -1;
}
va_status = vaEndPicture(cap_xcomp->va_dpy, cap_xcomp->context_id);
if(va_status != VA_STATUS_SUCCESS) {
static bool error_printed = false;
if(!error_printed) {
error_printed = true;
fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_tick: vaEndPicture failed: %d\n", va_status);
}
return -1;
}
// TODO: Needed?
//vaSyncSurface(cap_xcomp->va_dpy, target_surface_id);
// TODO: Remove
//cap_xcomp->params.egl->eglSwapBuffers(cap_xcomp->params.egl->egl_display, cap_xcomp->params.egl->egl_surface);
float texture_rotation = 0.0f;
gsr_color_conversion_draw(&cap_xcomp->color_conversion, window_texture_get_opengl_texture_id(&cap_xcomp->window_texture),
(vec2i){0, 0}, cap_xcomp->texture_size,
(vec2i){0, 0}, cap_xcomp->texture_size,
texture_rotation);
return 0;
}
@ -557,30 +450,12 @@ static int gsr_capture_xcomposite_vaapi_capture(gsr_capture *cap, AVFrame *frame
static void gsr_capture_xcomposite_vaapi_stop(gsr_capture *cap, AVCodecContext *video_codec_context) {
gsr_capture_xcomposite_vaapi *cap_xcomp = cap->priv;
// TODO: buffer_id == 0 is valid.. may be same for some of these other values. Handle that! also in other files
if(cap_xcomp->buffer_id) {
vaDestroyBuffer(cap_xcomp->va_dpy, cap_xcomp->buffer_id);
cap_xcomp->buffer_id = 0;
}
gsr_color_conversion_deinit(&cap_xcomp->color_conversion);
if(cap_xcomp->context_id) {
vaDestroyContext(cap_xcomp->va_dpy, cap_xcomp->context_id);
cap_xcomp->context_id = 0;
}
if(cap_xcomp->config_id) {
vaDestroyConfig(cap_xcomp->va_dpy, cap_xcomp->config_id);
cap_xcomp->config_id = 0;
}
if(cap_xcomp->input_surface) {
vaDestroySurfaces(cap_xcomp->va_dpy, &cap_xcomp->input_surface, 1);
cap_xcomp->input_surface = 0;
}
if(cap_xcomp->dmabuf_fd) {
close(cap_xcomp->dmabuf_fd);
cap_xcomp->dmabuf_fd = 0;
if(cap_xcomp->params.egl->egl_context) {
cap_xcomp->params.egl->glDeleteTextures(2, cap_xcomp->target_textures);
cap_xcomp->target_textures[0] = 0;
cap_xcomp->target_textures[1] = 0;
}
window_texture_deinit(&cap_xcomp->window_texture);