diff options
Diffstat (limited to 'src/backends/meta-screen-cast-window-stream-src.c')
| -rw-r--r-- | src/backends/meta-screen-cast-window-stream-src.c | 614 |
1 files changed, 0 insertions, 614 deletions
diff --git a/src/backends/meta-screen-cast-window-stream-src.c b/src/backends/meta-screen-cast-window-stream-src.c deleted file mode 100644 index 3fa932b4b..000000000 --- a/src/backends/meta-screen-cast-window-stream-src.c +++ /dev/null @@ -1,614 +0,0 @@ -/* - * Copyright (C) 2018 Red Hat Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA - * 02111-1307, USA. - * - */ - -#include "config.h" - -#include "backends/meta-screen-cast-window-stream-src.h" - -#include "backends/meta-backend-private.h" -#include "backends/meta-cursor-tracker-private.h" -#include "backends/meta-screen-cast-session.h" -#include "backends/meta-screen-cast-window.h" -#include "backends/meta-screen-cast-window-stream.h" -#include "compositor/meta-window-actor-private.h" - -struct _MetaScreenCastWindowStreamSrc -{ - MetaScreenCastStreamSrc parent; - - MetaScreenCastWindow *screen_cast_window; - - unsigned long screen_cast_window_damaged_handler_id; - unsigned long screen_cast_window_destroyed_handler_id; - unsigned long position_invalidated_handler_id; - unsigned long cursor_changed_handler_id; - - gboolean cursor_bitmap_invalid; -}; - -G_DEFINE_TYPE (MetaScreenCastWindowStreamSrc, - meta_screen_cast_window_stream_src, - META_TYPE_SCREEN_CAST_STREAM_SRC) - -static MetaBackend * -get_backend (MetaScreenCastWindowStreamSrc *window_src) -{ - MetaScreenCastStreamSrc *src = META_SCREEN_CAST_STREAM_SRC (window_src); - MetaScreenCastStream *stream = meta_screen_cast_stream_src_get_stream (src); - MetaScreenCastSession *session = meta_screen_cast_stream_get_session (stream); - MetaScreenCast *screen_cast = - meta_screen_cast_session_get_screen_cast (session); - - return meta_screen_cast_get_backend (screen_cast); -} - -static MetaScreenCastWindowStream * -get_window_stream (MetaScreenCastWindowStreamSrc *window_src) -{ - MetaScreenCastStreamSrc *src; - MetaScreenCastStream *stream; - - src = META_SCREEN_CAST_STREAM_SRC (window_src); - stream = meta_screen_cast_stream_src_get_stream (src); - - return META_SCREEN_CAST_WINDOW_STREAM (stream); -} - -static MetaWindow * -get_window (MetaScreenCastWindowStreamSrc *window_src) -{ - MetaScreenCastWindowStream *window_stream; - - window_stream = get_window_stream (window_src); - - return meta_screen_cast_window_stream_get_window (window_stream); -} - -static int -get_stream_width (MetaScreenCastWindowStreamSrc *window_src) -{ - MetaScreenCastWindowStream *window_stream; - - window_stream = get_window_stream (window_src); - - return meta_screen_cast_window_stream_get_width (window_stream); -} - -static int -get_stream_height (MetaScreenCastWindowStreamSrc *window_src) -{ - MetaScreenCastWindowStream *window_stream; - - window_stream = get_window_stream (window_src); - - return meta_screen_cast_window_stream_get_height (window_stream); -} - -static void -maybe_draw_cursor_sprite (MetaScreenCastWindowStreamSrc *window_src, - uint8_t *data, - MetaRectangle *stream_rect) -{ - MetaScreenCastStreamSrc *src = META_SCREEN_CAST_STREAM_SRC (window_src); - MetaBackend *backend = get_backend (window_src); - MetaCursorRenderer *cursor_renderer = - meta_backend_get_cursor_renderer (backend); - MetaCursorTracker *cursor_tracker = - meta_backend_get_cursor_tracker (backend); - MetaCursorSprite *cursor_sprite; - CoglTexture *cursor_texture; - MetaScreenCastWindow *screen_cast_window; - graphene_point_t cursor_position; - graphene_point_t relative_cursor_position; - cairo_surface_t *cursor_surface; - uint8_t *cursor_surface_data; - GError *error = NULL; - cairo_surface_t *stream_surface; - int width, height; - float scale; - int hotspot_x, hotspot_y; - cairo_t *cr; - - cursor_sprite = meta_cursor_renderer_get_cursor (cursor_renderer); - if (!cursor_sprite) - return; - - cursor_texture = meta_cursor_sprite_get_cogl_texture (cursor_sprite); - if (!cursor_texture) - return; - - screen_cast_window = window_src->screen_cast_window; - meta_cursor_tracker_get_pointer (cursor_tracker, &cursor_position, NULL); - if (!meta_screen_cast_window_transform_cursor_position (screen_cast_window, - cursor_sprite, - &cursor_position, - &scale, - &relative_cursor_position)) - return; - - meta_cursor_sprite_get_hotspot (cursor_sprite, &hotspot_x, &hotspot_y); - - width = cogl_texture_get_width (cursor_texture) * scale; - height = cogl_texture_get_height (cursor_texture) * scale; - cursor_surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, - width, height); - - cursor_surface_data = cairo_image_surface_get_data (cursor_surface); - if (!meta_screen_cast_stream_src_draw_cursor_into (src, - cursor_texture, - scale, - cursor_surface_data, - &error)) - { - g_warning ("Failed to draw cursor: %s", error->message); - g_error_free (error); - cairo_surface_destroy (cursor_surface); - return; - } - - stream_surface = - cairo_image_surface_create_for_data (data, CAIRO_FORMAT_ARGB32, - stream_rect->width, - stream_rect->height, - stream_rect->width * 4); - - cr = cairo_create (stream_surface); - cairo_surface_mark_dirty (cursor_surface); - cairo_surface_flush (cursor_surface); - cairo_set_source_surface (cr, cursor_surface, - relative_cursor_position.x - hotspot_x * scale, - relative_cursor_position.y - hotspot_y * scale); - cairo_paint (cr); - cairo_destroy (cr); - cairo_surface_destroy (stream_surface); - cairo_surface_destroy (cursor_surface); -} - -static void -maybe_blit_cursor_sprite (MetaScreenCastWindowStreamSrc *window_src, - CoglFramebuffer *framebuffer, - MetaRectangle *stream_rect) -{ - MetaBackend *backend = get_backend (window_src); - CoglContext *cogl_context = - clutter_backend_get_cogl_context (clutter_get_default_backend ()); - MetaCursorRenderer *cursor_renderer = - meta_backend_get_cursor_renderer (backend); - MetaCursorTracker *cursor_tracker = - meta_backend_get_cursor_tracker (backend); - MetaScreenCastWindow *screen_cast_window; - MetaCursorSprite *cursor_sprite; - graphene_point_t relative_cursor_position; - graphene_point_t cursor_position; - CoglTexture *cursor_texture; - CoglPipeline *pipeline; - int width, height; - float scale; - int hotspot_x, hotspot_y; - float x, y; - - cursor_sprite = meta_cursor_renderer_get_cursor (cursor_renderer); - if (!cursor_sprite) - return; - - cursor_texture = meta_cursor_sprite_get_cogl_texture (cursor_sprite); - if (!cursor_texture) - return; - - screen_cast_window = window_src->screen_cast_window; - meta_cursor_tracker_get_pointer (cursor_tracker, &cursor_position, NULL); - if (!meta_screen_cast_window_transform_cursor_position (screen_cast_window, - cursor_sprite, - &cursor_position, - &scale, - &relative_cursor_position)) - return; - - meta_cursor_sprite_get_hotspot (cursor_sprite, &hotspot_x, &hotspot_y); - - x = (relative_cursor_position.x - hotspot_x) * scale; - y = (relative_cursor_position.y - hotspot_y) * scale; - width = cogl_texture_get_width (cursor_texture); - height = cogl_texture_get_height (cursor_texture); - - pipeline = cogl_pipeline_new (cogl_context); - cogl_pipeline_set_layer_texture (pipeline, 0, cursor_texture); - cogl_pipeline_set_layer_filters (pipeline, 0, - COGL_PIPELINE_FILTER_LINEAR, - COGL_PIPELINE_FILTER_LINEAR); - - cogl_framebuffer_draw_rectangle (framebuffer, - pipeline, - x, y, - x + width, y + height); - - cogl_object_unref (pipeline); -} - -static gboolean -capture_into (MetaScreenCastWindowStreamSrc *window_src, - int width, - int height, - int stride, - uint8_t *data) -{ - MetaScreenCastStreamSrc *src = META_SCREEN_CAST_STREAM_SRC (window_src); - MetaRectangle stream_rect; - MetaScreenCastStream *stream; - - stream_rect = (MetaRectangle) { - .width = width, - .height = height, - }; - - meta_screen_cast_window_capture_into (window_src->screen_cast_window, - &stream_rect, data); - - stream = meta_screen_cast_stream_src_get_stream (src); - switch (meta_screen_cast_stream_get_cursor_mode (stream)) - { - case META_SCREEN_CAST_CURSOR_MODE_EMBEDDED: - maybe_draw_cursor_sprite (window_src, data, &stream_rect); - break; - case META_SCREEN_CAST_CURSOR_MODE_METADATA: - case META_SCREEN_CAST_CURSOR_MODE_HIDDEN: - break; - } - - return TRUE; -} - -static gboolean -meta_screen_cast_window_stream_src_get_specs (MetaScreenCastStreamSrc *src, - int *width, - int *height, - float *frame_rate) -{ - MetaScreenCastWindowStreamSrc *window_src = - META_SCREEN_CAST_WINDOW_STREAM_SRC (src); - - *width = get_stream_width (window_src); - *height = get_stream_height (window_src); - *frame_rate = 60.0f; - - return TRUE; -} - -static gboolean -meta_screen_cast_window_stream_src_get_videocrop (MetaScreenCastStreamSrc *src, - MetaRectangle *crop_rect) -{ - MetaScreenCastWindowStreamSrc *window_src = - META_SCREEN_CAST_WINDOW_STREAM_SRC (src); - MetaRectangle stream_rect; - - meta_screen_cast_window_get_buffer_bounds (window_src->screen_cast_window, - crop_rect); - - stream_rect.x = 0; - stream_rect.y = 0; - stream_rect.width = get_stream_width (window_src); - stream_rect.height = get_stream_height (window_src); - - meta_rectangle_intersect (crop_rect, &stream_rect, crop_rect); - - return TRUE; -} - -static void -meta_screen_cast_window_stream_src_stop (MetaScreenCastWindowStreamSrc *window_src) - -{ - MetaScreenCastStreamSrc *src = META_SCREEN_CAST_STREAM_SRC (window_src); - MetaScreenCastStream *stream = meta_screen_cast_stream_src_get_stream (src); - MetaBackend *backend = get_backend (window_src); - MetaCursorTracker *cursor_tracker = meta_backend_get_cursor_tracker (backend); - - if (!window_src->screen_cast_window) - return; - - g_clear_signal_handler (&window_src->screen_cast_window_damaged_handler_id, - window_src->screen_cast_window); - g_clear_signal_handler (&window_src->screen_cast_window_destroyed_handler_id, - window_src->screen_cast_window); - g_clear_signal_handler (&window_src->position_invalidated_handler_id, - cursor_tracker); - g_clear_signal_handler (&window_src->cursor_changed_handler_id, - cursor_tracker); - - switch (meta_screen_cast_stream_get_cursor_mode (stream)) - { - case META_SCREEN_CAST_CURSOR_MODE_METADATA: - case META_SCREEN_CAST_CURSOR_MODE_EMBEDDED: - meta_cursor_tracker_untrack_position (cursor_tracker); - break; - case META_SCREEN_CAST_CURSOR_MODE_HIDDEN: - break; - } -} - -static void -screen_cast_window_damaged (MetaWindowActor *actor, - MetaScreenCastWindowStreamSrc *window_src) -{ - MetaScreenCastStreamSrc *src = META_SCREEN_CAST_STREAM_SRC (window_src); - MetaScreenCastRecordFlag flags; - - flags = META_SCREEN_CAST_RECORD_FLAG_NONE; - meta_screen_cast_stream_src_maybe_record_frame (src, flags); -} - -static void -screen_cast_window_destroyed (MetaWindowActor *actor, - MetaScreenCastWindowStreamSrc *window_src) -{ - meta_screen_cast_window_stream_src_stop (window_src); - window_src->screen_cast_window = NULL; -} - -static void -sync_cursor_state (MetaScreenCastWindowStreamSrc *window_src) -{ - MetaScreenCastStreamSrc *src = META_SCREEN_CAST_STREAM_SRC (window_src); - MetaScreenCastRecordFlag flags; - - if (meta_screen_cast_window_has_damage (window_src->screen_cast_window)) - return; - - flags = META_SCREEN_CAST_RECORD_FLAG_CURSOR_ONLY; - meta_screen_cast_stream_src_maybe_record_frame (src, flags); -} - -static void -pointer_position_invalidated (MetaCursorTracker *cursor_tracker, - MetaScreenCastWindowStreamSrc *window_src) -{ - sync_cursor_state (window_src); -} - -static void -cursor_changed (MetaCursorTracker *cursor_tracker, - MetaScreenCastWindowStreamSrc *window_src) -{ - window_src->cursor_bitmap_invalid = TRUE; - sync_cursor_state (window_src); -} - -static void -meta_screen_cast_window_stream_src_enable (MetaScreenCastStreamSrc *src) -{ - MetaScreenCastWindowStreamSrc *window_src = - META_SCREEN_CAST_WINDOW_STREAM_SRC (src); - MetaBackend *backend = get_backend (window_src); - MetaCursorTracker *cursor_tracker = meta_backend_get_cursor_tracker (backend); - MetaWindowActor *window_actor; - MetaScreenCastStream *stream; - MetaScreenCastRecordFlag flags; - - window_actor = meta_window_actor_from_window (get_window (window_src)); - if (!window_actor) - return; - - window_src->screen_cast_window = META_SCREEN_CAST_WINDOW (window_actor); - - window_src->screen_cast_window_damaged_handler_id = - g_signal_connect (window_src->screen_cast_window, - "damaged", - G_CALLBACK (screen_cast_window_damaged), - window_src); - - window_src->screen_cast_window_destroyed_handler_id = - g_signal_connect (window_src->screen_cast_window, - "destroy", - G_CALLBACK (screen_cast_window_destroyed), - window_src); - - stream = meta_screen_cast_stream_src_get_stream (src); - switch (meta_screen_cast_stream_get_cursor_mode (stream)) - { - case META_SCREEN_CAST_CURSOR_MODE_METADATA: - case META_SCREEN_CAST_CURSOR_MODE_EMBEDDED: - window_src->position_invalidated_handler_id = - g_signal_connect_after (cursor_tracker, "position-invalidated", - G_CALLBACK (pointer_position_invalidated), - window_src); - window_src->cursor_changed_handler_id = - g_signal_connect_after (cursor_tracker, "cursor-changed", - G_CALLBACK (cursor_changed), - window_src); - meta_cursor_tracker_track_position (cursor_tracker); - break; - case META_SCREEN_CAST_CURSOR_MODE_HIDDEN: - break; - } - - flags = META_SCREEN_CAST_RECORD_FLAG_NONE; - meta_screen_cast_stream_src_maybe_record_frame (src, flags); -} - -static void -meta_screen_cast_window_stream_src_disable (MetaScreenCastStreamSrc *src) -{ - MetaScreenCastWindowStreamSrc *window_src = - META_SCREEN_CAST_WINDOW_STREAM_SRC (src); - - meta_screen_cast_window_stream_src_stop (window_src); -} - -static gboolean -meta_screen_cast_window_stream_src_record_to_buffer (MetaScreenCastStreamSrc *src, - int width, - int height, - int stride, - uint8_t *data, - GError **error) -{ - MetaScreenCastWindowStreamSrc *window_src = - META_SCREEN_CAST_WINDOW_STREAM_SRC (src); - - capture_into (window_src, width, height, stride, data); - - return TRUE; -} - -static gboolean -meta_screen_cast_window_stream_src_record_to_framebuffer (MetaScreenCastStreamSrc *src, - CoglFramebuffer *framebuffer, - GError **error) -{ - MetaScreenCastWindowStreamSrc *window_src = - META_SCREEN_CAST_WINDOW_STREAM_SRC (src); - MetaScreenCastStream *stream; - MetaRectangle stream_rect; - - stream_rect.x = 0; - stream_rect.y = 0; - stream_rect.width = cogl_framebuffer_get_width (framebuffer); - stream_rect.height = cogl_framebuffer_get_height (framebuffer); - - if (!meta_screen_cast_window_blit_to_framebuffer (window_src->screen_cast_window, - &stream_rect, - framebuffer)) - { - g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, - "Failed to blit window content to framebuffer"); - return FALSE; - } - - stream = meta_screen_cast_stream_src_get_stream (src); - switch (meta_screen_cast_stream_get_cursor_mode (stream)) - { - case META_SCREEN_CAST_CURSOR_MODE_EMBEDDED: - maybe_blit_cursor_sprite (window_src, framebuffer, &stream_rect); - break; - case META_SCREEN_CAST_CURSOR_MODE_METADATA: - case META_SCREEN_CAST_CURSOR_MODE_HIDDEN: - break; - } - - cogl_framebuffer_flush (framebuffer); - - return TRUE; -} - -static void -meta_screen_cast_window_stream_record_follow_up (MetaScreenCastStreamSrc *src) -{ - MetaScreenCastRecordFlag flags; - - flags = META_SCREEN_CAST_RECORD_FLAG_NONE; - meta_screen_cast_stream_src_maybe_record_frame (src, flags); -} - -static void -meta_screen_cast_window_stream_src_set_cursor_metadata (MetaScreenCastStreamSrc *src, - struct spa_meta_cursor *spa_meta_cursor) -{ - MetaScreenCastWindowStreamSrc *window_src = - META_SCREEN_CAST_WINDOW_STREAM_SRC (src); - MetaBackend *backend = get_backend (window_src); - MetaCursorRenderer *cursor_renderer = - meta_backend_get_cursor_renderer (backend); - MetaCursorTracker *cursor_tracker = - meta_backend_get_cursor_tracker (backend); - MetaScreenCastWindow *screen_cast_window = window_src->screen_cast_window; - MetaCursorSprite *cursor_sprite; - graphene_point_t cursor_position; - float scale; - graphene_point_t relative_cursor_position; - int x, y; - - cursor_sprite = meta_cursor_renderer_get_cursor (cursor_renderer); - meta_cursor_tracker_get_pointer (cursor_tracker, &cursor_position, NULL); - - if (!meta_cursor_tracker_get_pointer_visible (cursor_tracker) || - !meta_screen_cast_window_transform_cursor_position (screen_cast_window, - cursor_sprite, - &cursor_position, - &scale, - &relative_cursor_position)) - { - meta_screen_cast_stream_src_unset_cursor_metadata (src, - spa_meta_cursor); - return; - } - - x = (int) roundf (relative_cursor_position.x); - y = (int) roundf (relative_cursor_position.y); - - if (window_src->cursor_bitmap_invalid) - { - if (cursor_sprite) - { - meta_screen_cast_stream_src_set_cursor_sprite_metadata (src, - spa_meta_cursor, - cursor_sprite, - x, y, - scale); - } - else - { - meta_screen_cast_stream_src_set_empty_cursor_sprite_metadata (src, - spa_meta_cursor, - x, y); - } - window_src->cursor_bitmap_invalid = FALSE; - } - else - { - meta_screen_cast_stream_src_set_cursor_position_metadata (src, - spa_meta_cursor, - x, y); - } -} - -MetaScreenCastWindowStreamSrc * -meta_screen_cast_window_stream_src_new (MetaScreenCastWindowStream *window_stream, - GError **error) -{ - return g_initable_new (META_TYPE_SCREEN_CAST_WINDOW_STREAM_SRC, NULL, error, - "stream", window_stream, - NULL); -} - -static void -meta_screen_cast_window_stream_src_init (MetaScreenCastWindowStreamSrc *window_src) -{ - window_src->cursor_bitmap_invalid = TRUE; -} - -static void -meta_screen_cast_window_stream_src_class_init (MetaScreenCastWindowStreamSrcClass *klass) -{ - MetaScreenCastStreamSrcClass *src_class = - META_SCREEN_CAST_STREAM_SRC_CLASS (klass); - - src_class->get_specs = meta_screen_cast_window_stream_src_get_specs; - src_class->enable = meta_screen_cast_window_stream_src_enable; - src_class->disable = meta_screen_cast_window_stream_src_disable; - src_class->record_to_buffer = - meta_screen_cast_window_stream_src_record_to_buffer; - src_class->record_to_framebuffer = - meta_screen_cast_window_stream_src_record_to_framebuffer; - src_class->record_follow_up = - meta_screen_cast_window_stream_record_follow_up; - src_class->get_videocrop = meta_screen_cast_window_stream_src_get_videocrop; - src_class->set_cursor_metadata = meta_screen_cast_window_stream_src_set_cursor_metadata; -} |