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Add a screencast indicator for when we're recording

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This will replace the indicator painted on the stage right now.

This unfortunately does not work for the recorder triggered by the
keybinding -- we'll simply replace the in-shell code with a keybinding
powered by gnome-settings-daemon.
This commit is contained in:
Jasper St. Pierre
2013-07-17 15:26:06 -04:00
parent 81bb7009ea
commit d4942858ba
8 changed files with 47 additions and 140 deletions
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140
src/shell-recorder.c
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@ -69,16 +69,12 @@ struct _ShellRecorder {
int xinput_opcode;
CoglHandle recording_icon; /* icon shown while playing */
GSettings *a11y_settings;
gboolean draw_cursor;
cairo_surface_t *cursor_image;
int cursor_hot_x;
int cursor_hot_y;
gboolean only_paint; /* Used to temporarily suppress recording */
int framerate;
char *pipeline_description;
char *file_template;
@ -170,57 +166,6 @@ G_DEFINE_TYPE(ShellRecorder, shell_recorder, G_TYPE_OBJECT);
*/
#define DEFAULT_MEMORY_TARGET (512*1024)
/* Create an emblem to show at the lower-left corner of the stage while
* recording. The emblem is drawn *after* we record the frame so doesn't
* show up in the frame.
*/
static CoglHandle
create_recording_icon (void)
{
cairo_surface_t *surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 32, 32);
cairo_t *cr;
cairo_pattern_t *pat;
CoglHandle texture;
cr = cairo_create (surface);
/* clear to transparent */
cairo_save (cr);
cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
cairo_paint (cr);
cairo_restore (cr);
/* radial "glow" */
pat = cairo_pattern_create_radial (16, 16, 6,
16, 16, 14);
cairo_pattern_add_color_stop_rgba (pat, 0.0,
1, 0, 0, 1); /* opaque red */
cairo_pattern_add_color_stop_rgba (pat, 1.0,
1, 0, 0, 0); /* transparent red */
cairo_set_source (cr, pat);
cairo_paint (cr);
cairo_pattern_destroy (pat);
/* red circle */
cairo_arc (cr, 16, 16, 8,
0, 2 * M_PI);
cairo_set_source_rgb (cr, 1, 0, 0);
cairo_fill (cr);
cairo_destroy (cr);
texture = cogl_texture_new_from_data (32, 32,
COGL_TEXTURE_NONE,
CLUTTER_CAIRO_FORMAT_ARGB32,
COGL_PIXEL_FORMAT_ANY,
cairo_image_surface_get_stride (surface),
cairo_image_surface_get_data (surface));
cairo_surface_destroy (surface);
return texture;
}
static guint
get_memory_target (void)
{
@ -278,7 +223,6 @@ shell_recorder_init (ShellRecorder *recorder)
recorder->gdk_screen = gdk_screen_get_default ();
recorder->recording_icon = create_recording_icon ();
recorder->memory_target = get_memory_target();
recorder->a11y_settings = g_settings_new (A11Y_APPS_SCHEMA);
@ -303,8 +247,6 @@ shell_recorder_finalize (GObject *object)
recorder_set_pipeline (recorder, NULL);
recorder_set_file_template (recorder, NULL);
cogl_handle_unref (recorder->recording_icon);
g_clear_object (&recorder->a11y_settings);
G_OBJECT_CLASS (shell_recorder_parent_class)->finalize (object);
@ -340,20 +282,7 @@ recorder_update_memory_used (ShellRecorder *recorder,
}
if (memory_used != recorder->memory_used)
{
recorder->memory_used = memory_used;
if (repaint)
{
/* In other cases we just queue a redraw even if we only need
* to repaint and not redraw a frame, but having changes in
* memory usage cause frames to be painted and memory used
* seems like a bad idea.
*/
recorder->only_paint = TRUE;
clutter_stage_ensure_redraw (recorder->stage);
recorder->only_paint = FALSE;
}
}
recorder->memory_used = memory_used;
}
/* Timeout used to avoid not drawing for more than MAXIMUM_PAUSE_TIME
@ -475,56 +404,6 @@ recorder_draw_cursor (ShellRecorder *recorder,
gst_buffer_unmap (buffer, &info);
}
/* Draw an overlay indicating how much of the target memory is used
* for buffering frames.
*/
static void
recorder_draw_buffer_meter (ShellRecorder *recorder)
{
int fill_level;
GdkRectangle primary_monitor;
float rects[16];
gdk_screen_get_monitor_workarea (recorder->gdk_screen,
gdk_screen_get_primary_monitor (recorder->gdk_screen),
&primary_monitor);
recorder_update_memory_used (recorder, FALSE);
/* As the buffer gets more full, we go from green, to yellow, to red */
if (recorder->memory_used > (recorder->memory_target * 3) / 4)
cogl_set_source_color4f (1, 0, 0, 1);
else if (recorder->memory_used > recorder->memory_target / 2)
cogl_set_source_color4f (1, 1, 0, 1);
else
cogl_set_source_color4f (0, 1, 0, 1);
fill_level = MIN (60, (recorder->memory_used * 60) / recorder->memory_target);
/* A hollow rectangle filled from the left to fill_level */
rects[0] = primary_monitor.x + primary_monitor.width - 64;
rects[1] = primary_monitor.y + primary_monitor.height - 10;
rects[2] = primary_monitor.x + primary_monitor.width - 2;
rects[3] = primary_monitor.y + primary_monitor.height - 9;
rects[4] = primary_monitor.x + primary_monitor.width - 64;
rects[5] = primary_monitor.y + primary_monitor.height - 9;
rects[6] = primary_monitor.x + primary_monitor.width - (63 - fill_level);
rects[7] = primary_monitor.y + primary_monitor.height - 3;
rects[8] = primary_monitor.x + primary_monitor.width - 3;
rects[9] = primary_monitor.y + primary_monitor.height - 9;
rects[10] = primary_monitor.x + primary_monitor.width - 2;
rects[11] = primary_monitor.y + primary_monitor.height - 3;
rects[12] = primary_monitor.x + primary_monitor.width - 64;
rects[13] = primary_monitor.y + primary_monitor.height - 3;
rects[14] = primary_monitor.x + primary_monitor.width - 2;
rects[15] = primary_monitor.y + primary_monitor.height - 2;
cogl_rectangles (rects, 4);
}
/* We want to time-stamp each frame based on the actual time it was
* recorded. We probably should use the pipeline clock rather than
* gettimeofday(): that would be needed to get sync'ed audio correct.
@ -608,22 +487,7 @@ recorder_on_stage_paint (ClutterActor *actor,
ShellRecorder *recorder)
{
if (recorder->state == RECORDER_STATE_RECORDING)
{
GdkRectangle primary_monitor;
gdk_screen_get_monitor_workarea (recorder->gdk_screen,
gdk_screen_get_primary_monitor (recorder->gdk_screen),
&primary_monitor);
if (!recorder->only_paint)
recorder_record_frame (recorder);
cogl_set_source_texture (recorder->recording_icon);
cogl_rectangle (primary_monitor.x + primary_monitor.width - 32, primary_monitor.y + primary_monitor.height - 42,
primary_monitor.x + primary_monitor.width, primary_monitor.y + primary_monitor.height - 10);
}
if (recorder->state == RECORDER_STATE_RECORDING || recorder->memory_used != 0)
recorder_draw_buffer_meter (recorder);
recorder_record_frame (recorder);
}
static void