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From 30caca0cb389dcbbab3d7ba72b92fce8e243b30b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Fri, 3 Jul 2020 16:42:45 +0200
Subject: [PATCH 1/9] screen-cast-src: Make the two record vfuncs more
similarly named
Both do more or less the same but with different methods - one puts
pixels into a buffer using the CPU, the other puts pixels into a buffer
using the GPU.
However, they are behaving slightly different, which they shouldn't.
Lets first address the misleading disconnect in naming, and later we'll
make them behave more similarly.
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1351
(cherry picked from commit d07335cd4ca094d790eac75e75cff01a28fda827)
---
.../meta-screen-cast-monitor-stream-src.c | 15 ++++++++-------
src/backends/meta-screen-cast-stream-src.c | 17 +++++++++--------
src/backends/meta-screen-cast-stream-src.h | 8 ++++----
.../meta-screen-cast-window-stream-src.c | 15 ++++++++-------
4 files changed, 29 insertions(+), 26 deletions(-)
diff --git a/src/backends/meta-screen-cast-monitor-stream-src.c b/src/backends/meta-screen-cast-monitor-stream-src.c
index 655b682610..a1a98eb05b 100644
--- a/src/backends/meta-screen-cast-monitor-stream-src.c
+++ b/src/backends/meta-screen-cast-monitor-stream-src.c
@@ -347,8 +347,8 @@ meta_screen_cast_monitor_stream_src_disable (MetaScreenCastStreamSrc *src)
}
static gboolean
-meta_screen_cast_monitor_stream_src_record_frame (MetaScreenCastStreamSrc *src,
- uint8_t *data)
+meta_screen_cast_monitor_stream_src_record_to_buffer (MetaScreenCastStreamSrc *src,
+ uint8_t *data)
{
MetaScreenCastMonitorStreamSrc *monitor_src =
META_SCREEN_CAST_MONITOR_STREAM_SRC (src);
@@ -368,8 +368,8 @@ meta_screen_cast_monitor_stream_src_record_frame (MetaScreenCastStreamSrc *src,
}
static gboolean
-meta_screen_cast_monitor_stream_src_blit_to_framebuffer (MetaScreenCastStreamSrc *src,
- CoglFramebuffer *framebuffer)
+meta_screen_cast_monitor_stream_src_record_to_framebuffer (MetaScreenCastStreamSrc *src,
+ CoglFramebuffer *framebuffer)
{
MetaScreenCastMonitorStreamSrc *monitor_src =
META_SCREEN_CAST_MONITOR_STREAM_SRC (src);
@@ -551,9 +551,10 @@ meta_screen_cast_monitor_stream_src_class_init (MetaScreenCastMonitorStreamSrcCl
src_class->get_specs = meta_screen_cast_monitor_stream_src_get_specs;
src_class->enable = meta_screen_cast_monitor_stream_src_enable;
src_class->disable = meta_screen_cast_monitor_stream_src_disable;
- src_class->record_frame = meta_screen_cast_monitor_stream_src_record_frame;
- src_class->blit_to_framebuffer =
- meta_screen_cast_monitor_stream_src_blit_to_framebuffer;
+ src_class->record_to_buffer =
+ meta_screen_cast_monitor_stream_src_record_to_buffer;
+ src_class->record_to_framebuffer =
+ meta_screen_cast_monitor_stream_src_record_to_framebuffer;
src_class->set_cursor_metadata =
meta_screen_cast_monitor_stream_src_set_cursor_metadata;
}
diff --git a/src/backends/meta-screen-cast-stream-src.c b/src/backends/meta-screen-cast-stream-src.c
index b77186415f..bafb82388d 100644
--- a/src/backends/meta-screen-cast-stream-src.c
+++ b/src/backends/meta-screen-cast-stream-src.c
@@ -133,23 +133,23 @@ meta_screen_cast_stream_src_get_videocrop (MetaScreenCastStreamSrc *src,
}
static gboolean
-meta_screen_cast_stream_src_record_frame (MetaScreenCastStreamSrc *src,
- uint8_t *data)
+meta_screen_cast_stream_src_record_to_buffer (MetaScreenCastStreamSrc *src,
+ uint8_t *data)
{
MetaScreenCastStreamSrcClass *klass =
META_SCREEN_CAST_STREAM_SRC_GET_CLASS (src);
- return klass->record_frame (src, data);
+ return klass->record_to_buffer (src, data);
}
static gboolean
-meta_screen_cast_stream_src_blit_to_framebuffer (MetaScreenCastStreamSrc *src,
- CoglFramebuffer *framebuffer)
+meta_screen_cast_stream_src_record_to_framebuffer (MetaScreenCastStreamSrc *src,
+ CoglFramebuffer *framebuffer)
{
MetaScreenCastStreamSrcClass *klass =
META_SCREEN_CAST_STREAM_SRC_GET_CLASS (src);
- return klass->blit_to_framebuffer (src, framebuffer);
+ return klass->record_to_framebuffer (src, framebuffer);
}
static void
@@ -417,7 +417,7 @@ do_record_frame (MetaScreenCastStreamSrc *src,
if (spa_buffer->datas[0].data ||
spa_buffer->datas[0].type == SPA_DATA_MemFd)
{
- return meta_screen_cast_stream_src_record_frame (src, data);
+ return meta_screen_cast_stream_src_record_to_buffer (src, data);
}
else if (spa_buffer->datas[0].type == SPA_DATA_DmaBuf)
{
@@ -427,7 +427,8 @@ do_record_frame (MetaScreenCastStreamSrc *src,
CoglFramebuffer *dmabuf_fbo =
cogl_dma_buf_handle_get_framebuffer (dmabuf_handle);
- return meta_screen_cast_stream_src_blit_to_framebuffer (src, dmabuf_fbo);
+ return meta_screen_cast_stream_src_record_to_framebuffer (src,
+ dmabuf_fbo);
}
return FALSE;
diff --git a/src/backends/meta-screen-cast-stream-src.h b/src/backends/meta-screen-cast-stream-src.h
index 3f6a1af2bb..0eda02f717 100644
--- a/src/backends/meta-screen-cast-stream-src.h
+++ b/src/backends/meta-screen-cast-stream-src.h
@@ -53,10 +53,10 @@ struct _MetaScreenCastStreamSrcClass
float *frame_rate);
void (* enable) (MetaScreenCastStreamSrc *src);
void (* disable) (MetaScreenCastStreamSrc *src);
- gboolean (* record_frame) (MetaScreenCastStreamSrc *src,
- uint8_t *data);
- gboolean (* blit_to_framebuffer) (MetaScreenCastStreamSrc *src,
- CoglFramebuffer *framebuffer);
+ gboolean (* record_to_buffer) (MetaScreenCastStreamSrc *src,
+ uint8_t *data);
+ gboolean (* record_to_framebuffer) (MetaScreenCastStreamSrc *src,
+ CoglFramebuffer *framebuffer);
gboolean (* get_videocrop) (MetaScreenCastStreamSrc *src,
MetaRectangle *crop_rect);
void (* set_cursor_metadata) (MetaScreenCastStreamSrc *src,
diff --git a/src/backends/meta-screen-cast-window-stream-src.c b/src/backends/meta-screen-cast-window-stream-src.c
index c252b4356b..281df5e7b2 100644
--- a/src/backends/meta-screen-cast-window-stream-src.c
+++ b/src/backends/meta-screen-cast-window-stream-src.c
@@ -462,8 +462,8 @@ meta_screen_cast_window_stream_src_disable (MetaScreenCastStreamSrc *src)
}
static gboolean
-meta_screen_cast_window_stream_src_record_frame (MetaScreenCastStreamSrc *src,
- uint8_t *data)
+meta_screen_cast_window_stream_src_record_to_buffer (MetaScreenCastStreamSrc *src,
+ uint8_t *data)
{
MetaScreenCastWindowStreamSrc *window_src =
META_SCREEN_CAST_WINDOW_STREAM_SRC (src);
@@ -474,8 +474,8 @@ meta_screen_cast_window_stream_src_record_frame (MetaScreenCastStreamSrc *src,
}
static gboolean
-meta_screen_cast_window_stream_src_blit_to_framebuffer (MetaScreenCastStreamSrc *src,
- CoglFramebuffer *framebuffer)
+meta_screen_cast_window_stream_src_record_to_framebuffer (MetaScreenCastStreamSrc *src,
+ CoglFramebuffer *framebuffer)
{
MetaScreenCastWindowStreamSrc *window_src =
META_SCREEN_CAST_WINDOW_STREAM_SRC (src);
@@ -591,9 +591,10 @@ meta_screen_cast_window_stream_src_class_init (MetaScreenCastWindowStreamSrcClas
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_frame = meta_screen_cast_window_stream_src_record_frame;
- src_class->blit_to_framebuffer =
- meta_screen_cast_window_stream_src_blit_to_framebuffer;
+ 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->get_videocrop = meta_screen_cast_window_stream_src_get_videocrop;
src_class->set_cursor_metadata = meta_screen_cast_window_stream_src_set_cursor_metadata;
}
--
2.26.2
From ddc2094222fb55143922364cd4887cb18f856628 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Fri, 3 Jul 2020 16:46:44 +0200
Subject: [PATCH 2/9] screen-cast/window-stream-src: Fix indentation
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1351
(cherry picked from commit b1d45820efc5c9136f12d8a3b97a573a2eede9e7)
---
src/backends/meta-screen-cast-window-stream-src.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/backends/meta-screen-cast-window-stream-src.c b/src/backends/meta-screen-cast-window-stream-src.c
index 281df5e7b2..abdc791575 100644
--- a/src/backends/meta-screen-cast-window-stream-src.c
+++ b/src/backends/meta-screen-cast-window-stream-src.c
@@ -488,8 +488,8 @@ meta_screen_cast_window_stream_src_record_to_framebuffer (MetaScreenCastStreamSr
stream_rect.height = get_stream_height (window_src);
if (!meta_screen_cast_window_blit_to_framebuffer (window_src->screen_cast_window,
- &stream_rect,
- framebuffer))
+ &stream_rect,
+ framebuffer))
return FALSE;
stream = meta_screen_cast_stream_src_get_stream (src);
--
2.26.2
From 59382848840aeb5c6491412742f474a3fb61639e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Fri, 3 Jul 2020 16:48:52 +0200
Subject: [PATCH 3/9] screen-cast/src: Add flag to maybe_record()
Will later be used to make recording avoid recording actual pixel
content if e.g. only the cursor moved.
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1351
(cherry picked from commit 92db8902d9c3229a13d104bba71dd74f14d6dfac)
---
src/backends/meta-screen-cast-monitor-stream-src.c | 8 ++++++--
src/backends/meta-screen-cast-stream-src.c | 3 ++-
src/backends/meta-screen-cast-stream-src.h | 8 +++++++-
src/backends/meta-screen-cast-window-stream-src.c | 12 +++++++++---
4 files changed, 24 insertions(+), 7 deletions(-)
diff --git a/src/backends/meta-screen-cast-monitor-stream-src.c b/src/backends/meta-screen-cast-monitor-stream-src.c
index a1a98eb05b..8d57fafc0f 100644
--- a/src/backends/meta-screen-cast-monitor-stream-src.c
+++ b/src/backends/meta-screen-cast-monitor-stream-src.c
@@ -120,8 +120,10 @@ stage_painted (MetaStage *stage,
gpointer user_data)
{
MetaScreenCastStreamSrc *src = META_SCREEN_CAST_STREAM_SRC (user_data);
+ MetaScreenCastRecordFlag flags;
- meta_screen_cast_stream_src_maybe_record_frame (src);
+ flags = META_SCREEN_CAST_RECORD_FLAG_NONE;
+ meta_screen_cast_stream_src_maybe_record_frame (src, flags);
}
static MetaBackend *
@@ -180,6 +182,7 @@ sync_cursor_state (MetaScreenCastMonitorStreamSrc *monitor_src)
{
MetaScreenCastStreamSrc *src = META_SCREEN_CAST_STREAM_SRC (monitor_src);
ClutterStage *stage = get_stage (monitor_src);
+ MetaScreenCastRecordFlag flags;
if (!is_cursor_in_stream (monitor_src))
return;
@@ -187,7 +190,8 @@ sync_cursor_state (MetaScreenCastMonitorStreamSrc *monitor_src)
if (clutter_stage_is_redraw_queued (stage))
return;
- meta_screen_cast_stream_src_maybe_record_frame (src);
+ flags = META_SCREEN_CAST_RECORD_FLAG_NONE;
+ meta_screen_cast_stream_src_maybe_record_frame (src, flags);
}
static void
diff --git a/src/backends/meta-screen-cast-stream-src.c b/src/backends/meta-screen-cast-stream-src.c
index bafb82388d..303c030be7 100644
--- a/src/backends/meta-screen-cast-stream-src.c
+++ b/src/backends/meta-screen-cast-stream-src.c
@@ -435,7 +435,8 @@ do_record_frame (MetaScreenCastStreamSrc *src,
}
void
-meta_screen_cast_stream_src_maybe_record_frame (MetaScreenCastStreamSrc *src)
+meta_screen_cast_stream_src_maybe_record_frame (MetaScreenCastStreamSrc *src,
+ MetaScreenCastRecordFlag flags)
{
MetaScreenCastStreamSrcPrivate *priv =
meta_screen_cast_stream_src_get_instance_private (src);
diff --git a/src/backends/meta-screen-cast-stream-src.h b/src/backends/meta-screen-cast-stream-src.h
index 0eda02f717..6c73d05c1d 100644
--- a/src/backends/meta-screen-cast-stream-src.h
+++ b/src/backends/meta-screen-cast-stream-src.h
@@ -37,6 +37,11 @@
typedef struct _MetaScreenCastStream MetaScreenCastStream;
+typedef enum _MetaScreenCastRecordFlag
+{
+ META_SCREEN_CAST_RECORD_FLAG_NONE = 0,
+} MetaScreenCastRecordFlag;
+
#define META_TYPE_SCREEN_CAST_STREAM_SRC (meta_screen_cast_stream_src_get_type ())
G_DECLARE_DERIVABLE_TYPE (MetaScreenCastStreamSrc,
meta_screen_cast_stream_src,
@@ -63,7 +68,8 @@ struct _MetaScreenCastStreamSrcClass
struct spa_meta_cursor *spa_meta_cursor);
};
-void meta_screen_cast_stream_src_maybe_record_frame (MetaScreenCastStreamSrc *src);
+void meta_screen_cast_stream_src_maybe_record_frame (MetaScreenCastStreamSrc *src,
+ MetaScreenCastRecordFlag flags);
MetaScreenCastStream * meta_screen_cast_stream_src_get_stream (MetaScreenCastStreamSrc *src);
diff --git a/src/backends/meta-screen-cast-window-stream-src.c b/src/backends/meta-screen-cast-window-stream-src.c
index abdc791575..f64d00860a 100644
--- a/src/backends/meta-screen-cast-window-stream-src.c
+++ b/src/backends/meta-screen-cast-window-stream-src.c
@@ -338,8 +338,10 @@ screen_cast_window_damaged (MetaWindowActor *actor,
MetaScreenCastWindowStreamSrc *window_src)
{
MetaScreenCastStreamSrc *src = META_SCREEN_CAST_STREAM_SRC (window_src);
+ MetaScreenCastRecordFlag flags;
- meta_screen_cast_stream_src_maybe_record_frame (src);
+ flags = META_SCREEN_CAST_RECORD_FLAG_NONE;
+ meta_screen_cast_stream_src_maybe_record_frame (src, flags);
}
static void
@@ -376,6 +378,7 @@ static void
sync_cursor_state (MetaScreenCastWindowStreamSrc *window_src)
{
MetaScreenCastStreamSrc *src = META_SCREEN_CAST_STREAM_SRC (window_src);
+ MetaScreenCastRecordFlag flags;
if (!is_cursor_in_stream (window_src))
return;
@@ -383,7 +386,8 @@ sync_cursor_state (MetaScreenCastWindowStreamSrc *window_src)
if (meta_screen_cast_window_has_damage (window_src->screen_cast_window))
return;
- meta_screen_cast_stream_src_maybe_record_frame (src);
+ flags = META_SCREEN_CAST_RECORD_FLAG_NONE;
+ meta_screen_cast_stream_src_maybe_record_frame (src, flags);
}
static void
@@ -412,6 +416,7 @@ meta_screen_cast_window_stream_src_enable (MetaScreenCastStreamSrc *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)
@@ -449,7 +454,8 @@ meta_screen_cast_window_stream_src_enable (MetaScreenCastStreamSrc *src)
break;
}
- meta_screen_cast_stream_src_maybe_record_frame (src);
+ flags = META_SCREEN_CAST_RECORD_FLAG_NONE;
+ meta_screen_cast_stream_src_maybe_record_frame (src, flags);
}
static void
--
2.26.2
From b8d76f2ded6a0c8b88403d97d4ea2c84993c0263 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Fri, 3 Jul 2020 16:52:43 +0200
Subject: [PATCH 4/9] screen-cast: Let the reason for recording determine what
to record
E.g. we'll have pointer movement that, if no painting is already
scheduled, should only send new cursor metadata without any new pixel
buffer. When this happens, tell next step to not record the pixels if
this was the case, instead of having it rediscover this itself.
Closes: https://gitlab.gnome.org/GNOME/mutter/-/issues/1323
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1351
(cherry picked from commit cf88d648822eb6b7d412c08d4038c657d415bfff)
---
.../meta-screen-cast-monitor-stream-src.c | 5 +-
src/backends/meta-screen-cast-stream-src.c | 51 +++++++++++--------
src/backends/meta-screen-cast-stream-src.h | 1 +
.../meta-screen-cast-window-stream-src.c | 4 +-
4 files changed, 33 insertions(+), 28 deletions(-)
diff --git a/src/backends/meta-screen-cast-monitor-stream-src.c b/src/backends/meta-screen-cast-monitor-stream-src.c
index 8d57fafc0f..2352c3b3d8 100644
--- a/src/backends/meta-screen-cast-monitor-stream-src.c
+++ b/src/backends/meta-screen-cast-monitor-stream-src.c
@@ -190,7 +190,7 @@ sync_cursor_state (MetaScreenCastMonitorStreamSrc *monitor_src)
if (clutter_stage_is_redraw_queued (stage))
return;
- flags = META_SCREEN_CAST_RECORD_FLAG_NONE;
+ flags = META_SCREEN_CAST_RECORD_FLAG_CURSOR_ONLY;
meta_screen_cast_stream_src_maybe_record_frame (src, flags);
}
@@ -361,9 +361,6 @@ meta_screen_cast_monitor_stream_src_record_to_buffer (MetaScreenCastStreamSrc *s
MetaLogicalMonitor *logical_monitor;
stage = get_stage (monitor_src);
- if (!clutter_stage_is_redraw_queued (stage))
- return FALSE;
-
monitor = get_monitor (monitor_src);
logical_monitor = meta_monitor_get_logical_monitor (monitor);
clutter_stage_capture_into (stage, FALSE, &logical_monitor->rect, data);
diff --git a/src/backends/meta-screen-cast-stream-src.c b/src/backends/meta-screen-cast-stream-src.c
index 303c030be7..aa4b03b180 100644
--- a/src/backends/meta-screen-cast-stream-src.c
+++ b/src/backends/meta-screen-cast-stream-src.c
@@ -470,34 +470,41 @@ meta_screen_cast_stream_src_maybe_record_frame (MetaScreenCastStreamSrc *src,
return;
}
- if (do_record_frame (src, spa_buffer, data))
+ if (!(flags & META_SCREEN_CAST_RECORD_FLAG_CURSOR_ONLY))
{
- struct spa_meta_region *spa_meta_video_crop;
+ if (do_record_frame (src, spa_buffer, data))
+ {
+ struct spa_meta_region *spa_meta_video_crop;
- spa_buffer->datas[0].chunk->size = spa_buffer->datas[0].maxsize;
- spa_buffer->datas[0].chunk->stride = priv->video_stride;
+ spa_buffer->datas[0].chunk->size = spa_buffer->datas[0].maxsize;
+ spa_buffer->datas[0].chunk->stride = priv->video_stride;
- /* Update VideoCrop if needed */
- spa_meta_video_crop =
- spa_buffer_find_meta_data (spa_buffer, SPA_META_VideoCrop,
- sizeof (*spa_meta_video_crop));
- if (spa_meta_video_crop)
- {
- if (meta_screen_cast_stream_src_get_videocrop (src, &crop_rect))
- {
- spa_meta_video_crop->region.position.x = crop_rect.x;
- spa_meta_video_crop->region.position.y = crop_rect.y;
- spa_meta_video_crop->region.size.width = crop_rect.width;
- spa_meta_video_crop->region.size.height = crop_rect.height;
- }
- else
+ /* Update VideoCrop if needed */
+ spa_meta_video_crop =
+ spa_buffer_find_meta_data (spa_buffer, SPA_META_VideoCrop,
+ sizeof (*spa_meta_video_crop));
+ if (spa_meta_video_crop)
{
- spa_meta_video_crop->region.position.x = 0;
- spa_meta_video_crop->region.position.y = 0;
- spa_meta_video_crop->region.size.width = priv->stream_width;
- spa_meta_video_crop->region.size.height = priv->stream_height;
+ if (meta_screen_cast_stream_src_get_videocrop (src, &crop_rect))
+ {
+ spa_meta_video_crop->region.position.x = crop_rect.x;
+ spa_meta_video_crop->region.position.y = crop_rect.y;
+ spa_meta_video_crop->region.size.width = crop_rect.width;
+ spa_meta_video_crop->region.size.height = crop_rect.height;
+ }
+ else
+ {
+ spa_meta_video_crop->region.position.x = 0;
+ spa_meta_video_crop->region.position.y = 0;
+ spa_meta_video_crop->region.size.width = priv->stream_width;
+ spa_meta_video_crop->region.size.height = priv->stream_height;
+ }
}
}
+ else
+ {
+ spa_buffer->datas[0].chunk->size = 0;
+ }
}
else
{
diff --git a/src/backends/meta-screen-cast-stream-src.h b/src/backends/meta-screen-cast-stream-src.h
index 6c73d05c1d..87054eedf5 100644
--- a/src/backends/meta-screen-cast-stream-src.h
+++ b/src/backends/meta-screen-cast-stream-src.h
@@ -40,6 +40,7 @@ typedef struct _MetaScreenCastStream MetaScreenCastStream;
typedef enum _MetaScreenCastRecordFlag
{
META_SCREEN_CAST_RECORD_FLAG_NONE = 0,
+ META_SCREEN_CAST_RECORD_FLAG_CURSOR_ONLY = 1 << 0,
} MetaScreenCastRecordFlag;
#define META_TYPE_SCREEN_CAST_STREAM_SRC (meta_screen_cast_stream_src_get_type ())
diff --git a/src/backends/meta-screen-cast-window-stream-src.c b/src/backends/meta-screen-cast-window-stream-src.c
index f64d00860a..63c3429df0 100644
--- a/src/backends/meta-screen-cast-window-stream-src.c
+++ b/src/backends/meta-screen-cast-window-stream-src.c
@@ -340,7 +340,7 @@ screen_cast_window_damaged (MetaWindowActor *actor,
MetaScreenCastStreamSrc *src = META_SCREEN_CAST_STREAM_SRC (window_src);
MetaScreenCastRecordFlag flags;
- flags = META_SCREEN_CAST_RECORD_FLAG_NONE;
+ flags = META_SCREEN_CAST_RECORD_FLAG_CURSOR_ONLY;
meta_screen_cast_stream_src_maybe_record_frame (src, flags);
}
@@ -386,7 +386,7 @@ sync_cursor_state (MetaScreenCastWindowStreamSrc *window_src)
if (meta_screen_cast_window_has_damage (window_src->screen_cast_window))
return;
- flags = META_SCREEN_CAST_RECORD_FLAG_NONE;
+ flags = META_SCREEN_CAST_RECORD_FLAG_CURSOR_ONLY;
meta_screen_cast_stream_src_maybe_record_frame (src, flags);
}
--
2.26.2
From 5c925cf4de91c9fdd44cb1c13748b2f4d6187dd9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Fri, 3 Jul 2020 16:57:01 +0200
Subject: [PATCH 5/9] screen-cast/src: Make record functions return an error
when failing
Now that we don't use the record function to early out depending on
implicit state (don't record pixels if only cursor moved for example),
let it simply report an error when it fails, as we should no longer ever
return without pixels if nothing failed.
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1351
(cherry picked from commit 2d899596e21d43ab241d0ba37c0a9f90c2e610be)
---
.../meta-screen-cast-monitor-stream-src.c | 19 +++++------
src/backends/meta-screen-cast-stream-src.c | 32 ++++++++++++-------
src/backends/meta-screen-cast-stream-src.h | 10 +++---
.../meta-screen-cast-window-stream-src.c | 16 +++++++---
4 files changed, 45 insertions(+), 32 deletions(-)
diff --git a/src/backends/meta-screen-cast-monitor-stream-src.c b/src/backends/meta-screen-cast-monitor-stream-src.c
index 2352c3b3d8..27b3ea37d8 100644
--- a/src/backends/meta-screen-cast-monitor-stream-src.c
+++ b/src/backends/meta-screen-cast-monitor-stream-src.c
@@ -351,8 +351,9 @@ meta_screen_cast_monitor_stream_src_disable (MetaScreenCastStreamSrc *src)
}
static gboolean
-meta_screen_cast_monitor_stream_src_record_to_buffer (MetaScreenCastStreamSrc *src,
- uint8_t *data)
+meta_screen_cast_monitor_stream_src_record_to_buffer (MetaScreenCastStreamSrc *src,
+ uint8_t *data,
+ GError **error)
{
MetaScreenCastMonitorStreamSrc *monitor_src =
META_SCREEN_CAST_MONITOR_STREAM_SRC (src);
@@ -369,8 +370,9 @@ meta_screen_cast_monitor_stream_src_record_to_buffer (MetaScreenCastStreamSrc *s
}
static gboolean
-meta_screen_cast_monitor_stream_src_record_to_framebuffer (MetaScreenCastStreamSrc *src,
- CoglFramebuffer *framebuffer)
+meta_screen_cast_monitor_stream_src_record_to_framebuffer (MetaScreenCastStreamSrc *src,
+ CoglFramebuffer *framebuffer,
+ GError **error)
{
MetaScreenCastMonitorStreamSrc *monitor_src =
META_SCREEN_CAST_MONITOR_STREAM_SRC (src);
@@ -394,7 +396,6 @@ meta_screen_cast_monitor_stream_src_record_to_framebuffer (MetaScreenCastStreamS
for (l = _clutter_stage_peek_stage_views (stage); l; l = l->next)
{
ClutterStageView *view = CLUTTER_STAGE_VIEW (l->data);
- g_autoptr (GError) error = NULL;
CoglFramebuffer *view_framebuffer;
MetaRectangle view_layout;
int x, y;
@@ -415,12 +416,8 @@ meta_screen_cast_monitor_stream_src_record_to_framebuffer (MetaScreenCastStreamS
x, y,
cogl_framebuffer_get_width (view_framebuffer),
cogl_framebuffer_get_height (view_framebuffer),
- &error))
- {
- g_warning ("Error blitting view into DMABuf framebuffer: %s",
- error->message);
- return FALSE;
- }
+ error))
+ return FALSE;
}
cogl_framebuffer_finish (framebuffer);
diff --git a/src/backends/meta-screen-cast-stream-src.c b/src/backends/meta-screen-cast-stream-src.c
index aa4b03b180..b930d5e7c0 100644
--- a/src/backends/meta-screen-cast-stream-src.c
+++ b/src/backends/meta-screen-cast-stream-src.c
@@ -133,23 +133,25 @@ meta_screen_cast_stream_src_get_videocrop (MetaScreenCastStreamSrc *src,
}
static gboolean
-meta_screen_cast_stream_src_record_to_buffer (MetaScreenCastStreamSrc *src,
- uint8_t *data)
+meta_screen_cast_stream_src_record_to_buffer (MetaScreenCastStreamSrc *src,
+ uint8_t *data,
+ GError **error)
{
MetaScreenCastStreamSrcClass *klass =
META_SCREEN_CAST_STREAM_SRC_GET_CLASS (src);
- return klass->record_to_buffer (src, data);
+ return klass->record_to_buffer (src, data, error);
}
static gboolean
-meta_screen_cast_stream_src_record_to_framebuffer (MetaScreenCastStreamSrc *src,
- CoglFramebuffer *framebuffer)
+meta_screen_cast_stream_src_record_to_framebuffer (MetaScreenCastStreamSrc *src,
+ CoglFramebuffer *framebuffer,
+ GError **error)
{
MetaScreenCastStreamSrcClass *klass =
META_SCREEN_CAST_STREAM_SRC_GET_CLASS (src);
- return klass->record_to_framebuffer (src, framebuffer);
+ return klass->record_to_framebuffer (src, framebuffer, error);
}
static void
@@ -407,9 +409,10 @@ maybe_record_cursor (MetaScreenCastStreamSrc *src,
}
static gboolean
-do_record_frame (MetaScreenCastStreamSrc *src,
- struct spa_buffer *spa_buffer,
- uint8_t *data)
+do_record_frame (MetaScreenCastStreamSrc *src,
+ struct spa_buffer *spa_buffer,
+ uint8_t *data,
+ GError **error)
{
MetaScreenCastStreamSrcPrivate *priv =
meta_screen_cast_stream_src_get_instance_private (src);
@@ -417,7 +420,7 @@ do_record_frame (MetaScreenCastStreamSrc *src,
if (spa_buffer->datas[0].data ||
spa_buffer->datas[0].type == SPA_DATA_MemFd)
{
- return meta_screen_cast_stream_src_record_to_buffer (src, data);
+ return meta_screen_cast_stream_src_record_to_buffer (src, data, error);
}
else if (spa_buffer->datas[0].type == SPA_DATA_DmaBuf)
{
@@ -428,9 +431,12 @@ do_record_frame (MetaScreenCastStreamSrc *src,
cogl_dma_buf_handle_get_framebuffer (dmabuf_handle);
return meta_screen_cast_stream_src_record_to_framebuffer (src,
- dmabuf_fbo);
+ dmabuf_fbo,
+ error);
}
+ g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
+ "Unknown SPA buffer type %u", spa_buffer->datas[0].type);
return FALSE;
}
@@ -445,6 +451,7 @@ meta_screen_cast_stream_src_maybe_record_frame (MetaScreenCastStreamSrc *src,
struct spa_buffer *spa_buffer;
uint8_t *data = NULL;
uint64_t now_us;
+ g_autoptr (GError) error = NULL;
now_us = g_get_monotonic_time ();
if (priv->video_format.max_framerate.num > 0 &&
@@ -472,7 +479,7 @@ meta_screen_cast_stream_src_maybe_record_frame (MetaScreenCastStreamSrc *src,
if (!(flags & META_SCREEN_CAST_RECORD_FLAG_CURSOR_ONLY))
{
- if (do_record_frame (src, spa_buffer, data))
+ if (do_record_frame (src, spa_buffer, data, &error))
{
struct spa_meta_region *spa_meta_video_crop;
@@ -503,6 +510,7 @@ meta_screen_cast_stream_src_maybe_record_frame (MetaScreenCastStreamSrc *src,
}
else
{
+ g_warning ("Failed to record screen cast frame: %s", error->message);
spa_buffer->datas[0].chunk->size = 0;
}
}
diff --git a/src/backends/meta-screen-cast-stream-src.h b/src/backends/meta-screen-cast-stream-src.h
index 87054eedf5..152790ecfb 100644
--- a/src/backends/meta-screen-cast-stream-src.h
+++ b/src/backends/meta-screen-cast-stream-src.h
@@ -59,10 +59,12 @@ struct _MetaScreenCastStreamSrcClass
float *frame_rate);
void (* enable) (MetaScreenCastStreamSrc *src);
void (* disable) (MetaScreenCastStreamSrc *src);
- gboolean (* record_to_buffer) (MetaScreenCastStreamSrc *src,
- uint8_t *data);
- gboolean (* record_to_framebuffer) (MetaScreenCastStreamSrc *src,
- CoglFramebuffer *framebuffer);
+ gboolean (* record_to_buffer) (MetaScreenCastStreamSrc *src,
+ uint8_t *data,
+ GError **error);
+ gboolean (* record_to_framebuffer) (MetaScreenCastStreamSrc *src,
+ CoglFramebuffer *framebuffer,
+ GError **error);
gboolean (* get_videocrop) (MetaScreenCastStreamSrc *src,
MetaRectangle *crop_rect);
void (* set_cursor_metadata) (MetaScreenCastStreamSrc *src,
diff --git a/src/backends/meta-screen-cast-window-stream-src.c b/src/backends/meta-screen-cast-window-stream-src.c
index 63c3429df0..70e868997e 100644
--- a/src/backends/meta-screen-cast-window-stream-src.c
+++ b/src/backends/meta-screen-cast-window-stream-src.c
@@ -468,8 +468,9 @@ meta_screen_cast_window_stream_src_disable (MetaScreenCastStreamSrc *src)
}
static gboolean
-meta_screen_cast_window_stream_src_record_to_buffer (MetaScreenCastStreamSrc *src,
- uint8_t *data)
+meta_screen_cast_window_stream_src_record_to_buffer (MetaScreenCastStreamSrc *src,
+ uint8_t *data,
+ GError **error)
{
MetaScreenCastWindowStreamSrc *window_src =
META_SCREEN_CAST_WINDOW_STREAM_SRC (src);
@@ -480,8 +481,9 @@ meta_screen_cast_window_stream_src_record_to_buffer (MetaScreenCastStreamSrc *sr
}
static gboolean
-meta_screen_cast_window_stream_src_record_to_framebuffer (MetaScreenCastStreamSrc *src,
- CoglFramebuffer *framebuffer)
+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);
@@ -496,7 +498,11 @@ meta_screen_cast_window_stream_src_record_to_framebuffer (MetaScreenCastStreamSr
if (!meta_screen_cast_window_blit_to_framebuffer (window_src->screen_cast_window,
&stream_rect,
framebuffer))
- return FALSE;
+ {
+ 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))
--
2.26.2
From 47b03793413aad449f021f64e66c68ca95be9a0f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Fri, 3 Jul 2020 23:50:28 +0200
Subject: [PATCH 6/9] screen-cast/src: Fix signedness of timestamp field
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1351
(cherry picked from commit 449fa7bf81fe0bee63f497d896cbeffe84dca82d)
---
src/backends/meta-screen-cast-stream-src.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/backends/meta-screen-cast-stream-src.c b/src/backends/meta-screen-cast-stream-src.c
index b930d5e7c0..f6f66daaa3 100644
--- a/src/backends/meta-screen-cast-stream-src.c
+++ b/src/backends/meta-screen-cast-stream-src.c
@@ -89,7 +89,7 @@ typedef struct _MetaScreenCastStreamSrcPrivate
struct spa_video_info_raw video_format;
int video_stride;
- uint64_t last_frame_timestamp_us;
+ int64_t last_frame_timestamp_us;
GHashTable *dmabuf_handles;
--
2.26.2
From d8c8ea23e700f85a55a5cc0b79151fbed75ab191 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Fri, 3 Jul 2020 23:57:31 +0200
Subject: [PATCH 7/9] screen-cast/src: Record follow up frame after timeout
During animation or other things that cause multiple frames in a row
being painted, we might skip recording frames if the max framerate is
reached.
Doing so means we might end up skipping the last frame in a series,
ending with the last frame we sent was not the last one, making things
appear to get stuck sometimes.
Handle this by creating a timeout if we ever throttle, and at the time
the timeout callback is triggered, make sure we eventually send an up to
date frame.
This is handle differently depending on the source type. A monitor
source type reports 1x1 pixel damage on each view its monitor overlaps,
while a window source type simply records a frame from the surface
directly, except without recording a timestamp, so that timestamps
always refer to when damage actually happened.
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1351
(cherry picked from commit e8052f169b957a502bf86ca65071582692039b9c)
---
.../meta-screen-cast-monitor-stream-src.c | 43 +++++++++++
src/backends/meta-screen-cast-stream-src.c | 77 +++++++++++++++++--
src/backends/meta-screen-cast-stream-src.h | 4 +
.../meta-screen-cast-window-stream-src.c | 11 +++
4 files changed, 130 insertions(+), 5 deletions(-)
diff --git a/src/backends/meta-screen-cast-monitor-stream-src.c b/src/backends/meta-screen-cast-monitor-stream-src.c
index 27b3ea37d8..3079578d8d 100644
--- a/src/backends/meta-screen-cast-monitor-stream-src.c
+++ b/src/backends/meta-screen-cast-monitor-stream-src.c
@@ -190,6 +190,9 @@ sync_cursor_state (MetaScreenCastMonitorStreamSrc *monitor_src)
if (clutter_stage_is_redraw_queued (stage))
return;
+ if (meta_screen_cast_stream_src_pending_follow_up_frame (src))
+ return;
+
flags = META_SCREEN_CAST_RECORD_FLAG_CURSOR_ONLY;
meta_screen_cast_stream_src_maybe_record_frame (src, flags);
}
@@ -425,6 +428,44 @@ meta_screen_cast_monitor_stream_src_record_to_framebuffer (MetaScreenCastStreamS
return TRUE;
}
+static void
+meta_screen_cast_monitor_stream_record_follow_up (MetaScreenCastStreamSrc *src)
+{
+ MetaScreenCastMonitorStreamSrc *monitor_src =
+ META_SCREEN_CAST_MONITOR_STREAM_SRC (src);
+ MetaBackend *backend = get_backend (monitor_src);
+ MetaRenderer *renderer = meta_backend_get_renderer (backend);
+ ClutterStage *stage = get_stage (monitor_src);
+ MetaMonitor *monitor;
+ MetaLogicalMonitor *logical_monitor;
+ MetaRectangle logical_monitor_layout;
+ GList *l;
+
+ monitor = get_monitor (monitor_src);
+ logical_monitor = meta_monitor_get_logical_monitor (monitor);
+ logical_monitor_layout = meta_logical_monitor_get_layout (logical_monitor);
+
+ for (l = meta_renderer_get_views (renderer); l; l = l->next)
+ {
+ MetaRendererView *view = l->data;
+ MetaRectangle view_layout;
+ MetaRectangle damage;
+
+ clutter_stage_view_get_layout (CLUTTER_STAGE_VIEW (view), &view_layout);
+
+ if (!meta_rectangle_overlap (&logical_monitor_layout, &view_layout))
+ continue;
+
+ damage = (cairo_rectangle_int_t) {
+ .x = view_layout.x,
+ .y = view_layout.y,
+ .width = 1,
+ .height = 1,
+ };
+ clutter_actor_queue_redraw_with_clip (CLUTTER_ACTOR (stage), &damage);
+ }
+}
+
static void
meta_screen_cast_monitor_stream_src_set_cursor_metadata (MetaScreenCastStreamSrc *src,
struct spa_meta_cursor *spa_meta_cursor)
@@ -553,6 +594,8 @@ meta_screen_cast_monitor_stream_src_class_init (MetaScreenCastMonitorStreamSrcCl
meta_screen_cast_monitor_stream_src_record_to_buffer;
src_class->record_to_framebuffer =
meta_screen_cast_monitor_stream_src_record_to_framebuffer;
+ src_class->record_follow_up =
+ meta_screen_cast_monitor_stream_record_follow_up;
src_class->set_cursor_metadata =
meta_screen_cast_monitor_stream_src_set_cursor_metadata;
}
diff --git a/src/backends/meta-screen-cast-stream-src.c b/src/backends/meta-screen-cast-stream-src.c
index f6f66daaa3..55af56f8b9 100644
--- a/src/backends/meta-screen-cast-stream-src.c
+++ b/src/backends/meta-screen-cast-stream-src.c
@@ -90,6 +90,7 @@ typedef struct _MetaScreenCastStreamSrcPrivate
int video_stride;
int64_t last_frame_timestamp_us;
+ guint follow_up_frame_source_id;
GHashTable *dmabuf_handles;
@@ -107,6 +108,12 @@ G_DEFINE_TYPE_WITH_CODE (MetaScreenCastStreamSrc,
meta_screen_cast_stream_src_init_initable_iface)
G_ADD_PRIVATE (MetaScreenCastStreamSrc))
+static inline uint32_t
+us2ms (uint64_t us)
+{
+ return (uint32_t) (us / 1000);
+}
+
static void
meta_screen_cast_stream_src_get_specs (MetaScreenCastStreamSrc *src,
int *width,
@@ -154,6 +161,15 @@ meta_screen_cast_stream_src_record_to_framebuffer (MetaScreenCastStreamSrc *src
return klass->record_to_framebuffer (src, framebuffer, error);
}
+static void
+meta_screen_cast_stream_src_record_follow_up (MetaScreenCastStreamSrc *src)
+{
+ MetaScreenCastStreamSrcClass *klass =
+ META_SCREEN_CAST_STREAM_SRC_GET_CLASS (src);
+
+ klass->record_follow_up (src);
+}
+
static void
meta_screen_cast_stream_src_set_cursor_metadata (MetaScreenCastStreamSrc *src,
struct spa_meta_cursor *spa_meta_cursor)
@@ -440,6 +456,43 @@ do_record_frame (MetaScreenCastStreamSrc *src,
return FALSE;
}
+gboolean
+meta_screen_cast_stream_src_pending_follow_up_frame (MetaScreenCastStreamSrc *src)
+{
+ MetaScreenCastStreamSrcPrivate *priv =
+ meta_screen_cast_stream_src_get_instance_private (src);
+
+ return priv->follow_up_frame_source_id != 0;
+}
+
+static gboolean
+follow_up_frame_cb (gpointer user_data)
+{
+ MetaScreenCastStreamSrc *src = user_data;
+ MetaScreenCastStreamSrcPrivate *priv =
+ meta_screen_cast_stream_src_get_instance_private (src);
+
+ priv->follow_up_frame_source_id = 0;
+ meta_screen_cast_stream_src_record_follow_up (src);
+
+ return G_SOURCE_REMOVE;
+}
+
+static void
+maybe_schedule_follow_up_frame (MetaScreenCastStreamSrc *src,
+ int64_t timeout_us)
+{
+ MetaScreenCastStreamSrcPrivate *priv =
+ meta_screen_cast_stream_src_get_instance_private (src);
+
+ if (priv->follow_up_frame_source_id)
+ return;
+
+ priv->follow_up_frame_source_id = g_timeout_add (us2ms (timeout_us),
+ follow_up_frame_cb,
+ src);
+}
+
void
meta_screen_cast_stream_src_maybe_record_frame (MetaScreenCastStreamSrc *src,
MetaScreenCastRecordFlag flags)
@@ -455,11 +508,24 @@ meta_screen_cast_stream_src_maybe_record_frame (MetaScreenCastStreamSrc *src,
now_us = g_get_monotonic_time ();
if (priv->video_format.max_framerate.num > 0 &&
- priv->last_frame_timestamp_us != 0 &&
- (now_us - priv->last_frame_timestamp_us <
- ((1000000 * priv->video_format.max_framerate.denom) /
- priv->video_format.max_framerate.num)))
- return;
+ priv->last_frame_timestamp_us != 0)
+ {
+ int64_t min_interval_us;
+ int64_t time_since_last_frame_us;
+
+ min_interval_us = ((1000000 * priv->video_format.max_framerate.denom) /
+ priv->video_format.max_framerate.num);
+
+ time_since_last_frame_us = now_us - priv->last_frame_timestamp_us;
+ if (time_since_last_frame_us < min_interval_us)
+ {
+ int64_t timeout_us;
+
+ timeout_us = min_interval_us - time_since_last_frame_us;
+ maybe_schedule_follow_up_frame (src, timeout_us);
+ return;
+ }
+ }
if (!priv->pipewire_stream)
return;
@@ -479,6 +545,7 @@ meta_screen_cast_stream_src_maybe_record_frame (MetaScreenCastStreamSrc *src,
if (!(flags & META_SCREEN_CAST_RECORD_FLAG_CURSOR_ONLY))
{
+ g_clear_handle_id (&priv->follow_up_frame_source_id, g_source_remove);
if (do_record_frame (src, spa_buffer, data, &error))
{
struct spa_meta_region *spa_meta_video_crop;
diff --git a/src/backends/meta-screen-cast-stream-src.h b/src/backends/meta-screen-cast-stream-src.h
index 152790ecfb..81ea20b173 100644
--- a/src/backends/meta-screen-cast-stream-src.h
+++ b/src/backends/meta-screen-cast-stream-src.h
@@ -65,6 +65,8 @@ struct _MetaScreenCastStreamSrcClass
gboolean (* record_to_framebuffer) (MetaScreenCastStreamSrc *src,
CoglFramebuffer *framebuffer,
GError **error);
+ void (* record_follow_up) (MetaScreenCastStreamSrc *src);
+
gboolean (* get_videocrop) (MetaScreenCastStreamSrc *src,
MetaRectangle *crop_rect);
void (* set_cursor_metadata) (MetaScreenCastStreamSrc *src,
@@ -74,6 +76,8 @@ struct _MetaScreenCastStreamSrcClass
void meta_screen_cast_stream_src_maybe_record_frame (MetaScreenCastStreamSrc *src,
MetaScreenCastRecordFlag flags);
+gboolean meta_screen_cast_stream_src_pending_follow_up_frame (MetaScreenCastStreamSrc *src);
+
MetaScreenCastStream * meta_screen_cast_stream_src_get_stream (MetaScreenCastStreamSrc *src);
gboolean meta_screen_cast_stream_src_draw_cursor_into (MetaScreenCastStreamSrc *src,
diff --git a/src/backends/meta-screen-cast-window-stream-src.c b/src/backends/meta-screen-cast-window-stream-src.c
index 70e868997e..7026ec3b4f 100644
--- a/src/backends/meta-screen-cast-window-stream-src.c
+++ b/src/backends/meta-screen-cast-window-stream-src.c
@@ -520,6 +520,15 @@ meta_screen_cast_window_stream_src_record_to_framebuffer (MetaScreenCastStreamSr
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)
@@ -607,6 +616,8 @@ meta_screen_cast_window_stream_src_class_init (MetaScreenCastWindowStreamSrcClas
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;
}
--
2.26.2
From f2babf5129df9e948f471e3d464162888a99201d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Wed, 8 Jul 2020 15:08:23 +0200
Subject: [PATCH 8/9] screen-cast/src: Use G_USEC_PER_SEC instead of 1000000
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1351
(cherry picked from commit 0c6ac287e6da91ba76bf3958befef4bec6ed28f6)
---
src/backends/meta-screen-cast-stream-src.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/src/backends/meta-screen-cast-stream-src.c b/src/backends/meta-screen-cast-stream-src.c
index 55af56f8b9..1d6c2b9d08 100644
--- a/src/backends/meta-screen-cast-stream-src.c
+++ b/src/backends/meta-screen-cast-stream-src.c
@@ -513,8 +513,9 @@ meta_screen_cast_stream_src_maybe_record_frame (MetaScreenCastStreamSrc *src,
int64_t min_interval_us;
int64_t time_since_last_frame_us;
- min_interval_us = ((1000000 * priv->video_format.max_framerate.denom) /
- priv->video_format.max_framerate.num);
+ min_interval_us =
+ ((G_USEC_PER_SEC * priv->video_format.max_framerate.denom) /
+ priv->video_format.max_framerate.num);
time_since_last_frame_us = now_us - priv->last_frame_timestamp_us;
if (time_since_last_frame_us < min_interval_us)
--
2.26.2
From 950b3ea51391ffcb434f8f5380459174ba4c4853 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Fri, 10 Jul 2020 07:06:33 +0000
Subject: [PATCH 9/9] screen-cast/src: Remove follow up timeout source on
disable
We failed to remove the timeout source when disabling, meaning that if a
follow up was scheduled, and shortly after we disabled the source, the
timeout would be invoked after the source was freed causing
use-after-free bugs.
Closes: https://gitlab.gnome.org/GNOME/mutter/-/issues/1337
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1365
(cherry picked from commit d67ba3ea65717ceab3e0c91267191c6ed2aac2c2)
(cherry picked from commit 1fd53c480f9bb58bd4ac0efc2bbce17dfda8645b)
---
src/backends/meta-screen-cast-stream-src.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/backends/meta-screen-cast-stream-src.c b/src/backends/meta-screen-cast-stream-src.c
index 1d6c2b9d08..f39d348baa 100644
--- a/src/backends/meta-screen-cast-stream-src.c
+++ b/src/backends/meta-screen-cast-stream-src.c
@@ -622,6 +622,8 @@ meta_screen_cast_stream_src_disable (MetaScreenCastStreamSrc *src)
META_SCREEN_CAST_STREAM_SRC_GET_CLASS (src)->disable (src);
+ g_clear_handle_id (&priv->follow_up_frame_source_id, g_source_remove);
+
priv->is_enabled = FALSE;
}
--
2.26.2
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