This commit is contained in:
Rafał Dzięgiel
2022-02-08 19:13:06 +01:00
parent 74c4a079e6
commit 167be4c37b
2 changed files with 91 additions and 66 deletions

View File

@@ -35,7 +35,7 @@
#define GST_CLAPPER_GL_SINK_CAPS \
"video/x-raw(" GST_CAPS_FEATURE_MEMORY_GL_MEMORY "), " \
"format = (string) RGBA, " \
"format = (string)" SINK_FORMATS ", " \
"width = " GST_VIDEO_SIZE_RANGE ", " \
"height = " GST_VIDEO_SIZE_RANGE ", " \
"framerate = " GST_VIDEO_FPS_RANGE ", " \
@@ -43,7 +43,7 @@
" ; " \
"video/x-raw(" GST_CAPS_FEATURE_MEMORY_GL_MEMORY "," \
GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION "), " \
"format = (string) RGBA, " \
"format = (string)" SINK_FORMATS ", " \
"width = " GST_VIDEO_SIZE_RANGE ", " \
"height = " GST_VIDEO_SIZE_RANGE ", " \
"framerate = " GST_VIDEO_FPS_RANGE ", " \

View File

@@ -160,11 +160,9 @@ video_format_to_gdk_memory_format (GstVideoFormat format)
return GDK_MEMORY_B8G8R8A8_PREMULTIPLIED;
case GST_VIDEO_FORMAT_RGBx:
return GDK_MEMORY_R8G8B8A8_PREMULTIPLIED;
/*
case GST_VIDEO_FORMAT_RGBA64_LE:
case GST_VIDEO_FORMAT_RGBA64_BE:
return GDK_MEMORY_R16G16B16A16_PREMULTIPLIED;
*/
default:
g_assert_not_reached ();
}
@@ -275,44 +273,31 @@ gtk_clapper_object_init_redisplay (GtkClapperObject *self)
self->initiated = TRUE;
}
static GdkTexture *
import_dmabuf (GtkClapperObject *self, guint n_planes,
gint *fds, gsize *offsets)
static gboolean
_dmabuf_into_texture (GtkClapperObject *self, gint *fds, gsize *offsets)
{
GdkTexture *texture;
GstEGLImage *image;
const GstGLFuncs *gl;
_gdk_gl_context_set_active (self, TRUE);
if (!self->initiated)
gtk_clapper_object_init_redisplay (self);
image = gst_egl_image_from_dmabuf_direct_target (self->wrapped_context,
fds, offsets, &self->v_info, GST_GL_TEXTURE_TARGET_2D);
/* FIXME: Can we handle `GST_GL_TEXTURE_TARGET_EXTERNAL_OES`
* without reinventing GLArea sink all over again? */
fds, offsets, &self->v_info, self->texture_target);
/* If HW colorspace conversion failed and there is only one
* plane, we can just make it into single EGLImage as is */
if (!image && n_planes == 1)
if (!image && GST_VIDEO_INFO_N_PLANES (&self->v_info) == 1)
image = gst_egl_image_from_dmabuf (self->wrapped_context,
fds[0], &self->v_info, 0, offsets[0]);
/* Still no image? Give up then */
if (!image) {
_gdk_gl_context_set_active (self, FALSE);
return NULL;
}
if (!image)
return FALSE;
gl = self->wrapped_context->gl_vtable;
if (!self->next_texture_id)
gl->GenTextures (1, &self->next_texture_id);
if (!self->texture_id)
gl->GenTextures (1, &self->texture_id);
gl->ActiveTexture (GL_TEXTURE1);
gl->BindTexture (GL_TEXTURE_2D, self->next_texture_id);
gl->BindTexture (GL_TEXTURE_2D, self->texture_id);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
@@ -323,20 +308,30 @@ import_dmabuf (GtkClapperObject *self, guint n_planes,
gl->EGLImageTargetTexture2D (GL_TEXTURE_2D, gst_egl_image_get_image (image));
gl->BindTexture (GL_TEXTURE_2D, 0);
gst_egl_image_unref (image);
return TRUE;
}
static gboolean
_ext_texture_into_2d (GtkClapperObject *self, guint tex_width, guint tex_height)
{
GLuint framebuffer, new_texture_id;
GLenum status;
const GstGLFuncs *gl;
if (!self->initiated)
gtk_clapper_object_init_redisplay (self);
if (!self->frame_buffer)
gl->GenFramebuffers (1, &self->frame_buffer);
gl = self->wrapped_context->gl_vtable;
gl->BindFramebuffer (GL_FRAMEBUFFER, self->frame_buffer);
gl->GenFramebuffers (1, &framebuffer);
gl->BindFramebuffer (GL_FRAMEBUFFER, framebuffer);
if (!self->texture_id)
gl->GenTextures (1, &self->texture_id);
gl->GenTextures (1, &new_texture_id);
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, self->texture_id);
gl->BindTexture (GL_TEXTURE_2D, new_texture_id);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
@@ -344,15 +339,26 @@ import_dmabuf (GtkClapperObject *self, guint n_planes,
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
gl->TexImage2D (GL_TEXTURE_2D, 0, GL_RGBA8, gtk_widget_get_width (GTK_WIDGET (self->picture)),
gtk_widget_get_height (GTK_WIDGET (self->picture)), 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
gl->TexImage2D (GL_TEXTURE_2D, 0, GL_RGBA8, tex_width, tex_height, 0,
GL_RGBA, GL_UNSIGNED_BYTE, NULL);
gl->FramebufferTexture2D (GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, self->texture_id, 0);
gl->FramebufferTexture2D (GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_TEXTURE_2D, new_texture_id, 0);
if (gl->CheckFramebufferStatus (GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
GST_ERROR ("Wrong framebuffer status!");
status = gl->CheckFramebufferStatus (GL_FRAMEBUFFER);
if (G_UNLIKELY (status != GL_FRAMEBUFFER_COMPLETE)) {
GST_ERROR ("Invalid framebuffer status: %u", status);
gl->Viewport (0, 0, gtk_widget_get_width (GTK_WIDGET (self->picture)), gtk_widget_get_height (GTK_WIDGET (self->picture)));
gl->BindTexture (GL_TEXTURE_2D, 0);
gl->DeleteTextures (1, &new_texture_id);
gl->BindFramebuffer (GL_FRAMEBUFFER, 0);
gl->DeleteFramebuffers (1, &framebuffer);
return FALSE;
}
gl->Viewport (0, 0, tex_width, tex_height);
gst_gl_shader_use (self->shader);
@@ -362,7 +368,7 @@ import_dmabuf (GtkClapperObject *self, guint n_planes,
gtk_clapper_object_bind_buffer (self);
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, self->next_texture_id);
gl->BindTexture (GL_TEXTURE_2D, self->texture_id);
gst_gl_shader_set_uniform_1i (self->shader, "tex", 0);
gst_gl_shader_set_uniform_matrix_4fv (self->shader,
@@ -375,21 +381,57 @@ import_dmabuf (GtkClapperObject *self, guint n_planes,
else
gtk_clapper_object_unbind_buffer (self);
//gl->BindTexture (GL_TEXTURE_EXTERNAL_OES, 0);
gl->BindTexture (GL_TEXTURE_2D, 0);
// unbind the framebuffer so that you don't accidentally render to it
/* Replace external OES texture with new 2D one */
gl->DeleteTextures (1, &self->texture_id);
self->texture_id = new_texture_id;
gl->BindFramebuffer (GL_FRAMEBUFFER, 0);
gl->DeleteFramebuffers (1, &framebuffer);
texture = gdk_gl_texture_new (self->gdk_context, self->texture_id,
gtk_widget_get_width (GTK_WIDGET (self->picture)),
gtk_widget_get_height (GTK_WIDGET (self->picture)),
NULL, NULL);
return TRUE;
}
if (gl->GetError () != GL_NO_ERROR)
GST_ERROR ("SOME ERROR!!!");
static GdkTexture *
gtk_clapper_object_import_dmabuf (GtkClapperObject *self, gint *fds, gsize *offsets)
{
GdkTexture *texture;
guint tex_width, tex_height;
_gdk_gl_context_set_active (self, TRUE);
if (!_dmabuf_into_texture (self, fds, offsets)) {
_gdk_gl_context_set_active (self, FALSE);
return NULL;
}
switch (self->texture_target) {
case GST_GL_TEXTURE_TARGET_2D:
tex_width = GST_VIDEO_INFO_WIDTH (&self->v_info);
tex_height = GST_VIDEO_INFO_HEIGHT (&self->v_info);
break;
case GST_GL_TEXTURE_TARGET_EXTERNAL_OES:{
GtkWidget *widget = (GtkWidget *) self->picture;
gint scale;
scale = gtk_widget_get_scale_factor (widget);
tex_width = gtk_widget_get_width (widget) * scale;
tex_height = gtk_widget_get_height (widget) * scale;
if (G_LIKELY (_ext_texture_into_2d (self, tex_width, tex_height)))
break;
return NULL;
}
default:
g_assert_not_reached ();
return NULL;
}
texture = gdk_gl_texture_new (self->gdk_context,
self->texture_id, tex_width, tex_height, NULL, NULL);
gst_egl_image_unref (image);
_gdk_gl_context_set_active (self, FALSE);
return texture;
@@ -467,7 +509,7 @@ obtain_texture_from_current_buffer (GtkClapperObject *self)
return NULL;
}
if (!((texture = import_dmabuf (self, n_planes, fds, offsets))))
if (!((texture = gtk_clapper_object_import_dmabuf (self, fds, offsets))))
GST_ERROR ("Could not create texture from DMABuf");
return texture;
@@ -713,23 +755,6 @@ gtk_clapper_object_get_widget (GtkClapperObject *self)
return (GtkWidget *) self->picture;
}
static gboolean
wrap_current_gl (GstGLDisplay *display, GstGLPlatform platform, GstGLContext **context)
{