25.11: Formatting: nixfmt-classic → nixfmt-rfc-style

[srec] / srec.py

diff --git a/srec.py b/srec.py
index 64f2d07e89d4c98c1e93d06892cdc89a035da929..dc6aeffe02989c57f5fc96e59ed1c413e4fbc159 100644 (file)
--- a/srec.py
+++ b/srec.py
@@ -11,6 +11,7 @@ from datetime import datetime
 import os
 import subprocess
 import sys
 import os
 import subprocess
 import sys

+import time

 from typing import Any, Callable
 
 import gi
 from typing import Any, Callable
 
 import gi


@@ -42,6 +43,7 @@ class Stream:
 
 
 recording: Stream | None = None
 
 
 recording: Stream | None = None

+sharing: Stream | None = None

 
 
 def make_filename() -> str:
 
 
 def make_filename() -> str:


@@ -56,9 +58,18 @@ def make_filename() -> str:
 def video_source(stack: Gtk.Stack) -> list[str]:
     if stack.get_child_by_name('not_recording').get_first_child().get_active():
         return ['-f', 'x11grab', '-i', ':0.0+0,0']
 def video_source(stack: Gtk.Stack) -> list[str]:
     if stack.get_child_by_name('not_recording').get_first_child().get_active():
         return ['-f', 'x11grab', '-i', ':0.0+0,0']

+    if is_sharing_enabled(stack):
+        return ['-f', 'v4l2', '-i', '/dev/video9']

     return ['-f', 'v4l2', '-i', '/dev/video0']
 
 
     return ['-f', 'v4l2', '-i', '/dev/video0']
 
 

+def is_sharing_enabled(stack: Gtk.Stack) -> bool:
+    enabled = stack.get_child_by_name('not_recording').get_first_child(
+    ).get_next_sibling().get_next_sibling().get_active()
+    assert isinstance(enabled, bool)
+    return enabled
+
+

 def find_size_display(stack: Gtk.Stack) -> Gtk.Label:
     return stack.get_child_by_name(
         'recording').get_first_child().get_next_sibling()
 def find_size_display(stack: Gtk.Stack) -> Gtk.Label:
     return stack.get_child_by_name(
         'recording').get_first_child().get_next_sibling()


@@ -76,33 +87,58 @@ def summarize_size(n: int) -> str:
 
 def begin_monitoring_file_size(size_display: Gtk.Label, filename: str) -> None:
     def update_size_display() -> Any:
 
 def begin_monitoring_file_size(size_display: Gtk.Label, filename: str) -> None:
     def update_size_display() -> Any:

-        try:
-            size = summarize_size(os.stat(filename).st_size)
-        except FileNotFoundError:
-            size = '--'
-        size_display.set_label(f'<big>{size}</big>')
-        return GLib.SOURCE_REMOVE if recording is None else GLib.SOURCE_CONTINUE
+        done = recording is None
+        if done:
+            size_display.set_label('')
+        else:
+            try:
+                size = summarize_size(os.stat(filename).st_size)
+            except FileNotFoundError:
+                size = '--'
+            size_display.set_label(f'<big>{size}</big>')
+        return GLib.SOURCE_REMOVE if done else GLib.SOURCE_CONTINUE

     GLib.timeout_add_seconds(1, update_size_display)
 
 
     GLib.timeout_add_seconds(1, update_size_display)
 
 

-def on_start_recording(_: Gtk.Button, stack: Gtk.Stack) -> None:
-    global recording  # pylint: disable=global-statement
+def on_start_button(_: Gtk.Button, stack: Gtk.Stack) -> None:
+    global recording, sharing  # pylint: disable=global-statement

     assert recording is None
     assert recording is None

+    assert sharing is None

 
     filename = make_filename()
     begin_monitoring_file_size(find_size_display(stack), filename)
 
 
     filename = make_filename()
     begin_monitoring_file_size(find_size_display(stack), filename)
 

+    stack.set_visible_child_name("recording")
+
+    if is_sharing_enabled(stack):
+        out_opts = [
+            '-f', 'v4l2', '-framerate', '25', '-codec:v', 'rawvideo',
+            '-pix_fmt', 'yuv420p',
+        ]
+        sharing = Stream.start(
+            ['ffmpeg', '-i', '/dev/video0']
+            + out_opts + ['/dev/video8']
+            + out_opts + ['/dev/video9'])
+        time.sleep(3)  # Bad!!  We should not be sleeping in this thread!
+

     recording = Stream.start(
         ['ffmpeg', '-framerate', '25'] + video_source(stack) +
         ['-f', 'pulse', '-ac', '2', '-i', 'default', filename])
     recording = Stream.start(
         ['ffmpeg', '-framerate', '25'] + video_source(stack) +
         ['-f', 'pulse', '-ac', '2', '-i', 'default', filename])

-    stack.set_visible_child_name("recording")

 
 
 
 

-def on_stop_recording(_: Gtk.Button, stack: Gtk.Stack) -> None:
-    global recording  # pylint: disable=global-statement
+def stop_streams() -> None:
+    global recording, sharing  # pylint: disable=global-statement
+    if recording is not None:
+        recording.stop()
+        recording = None
+    if sharing is not None:
+        sharing.stop()
+        sharing = None
+
+
+def on_stop_button(_: Gtk.Button, stack: Gtk.Stack) -> None:

     assert recording is not None
     assert recording is not None

-    recording.stop()
-    recording = None
+    stop_streams()

     stack.set_visible_child_name("not_recording")
 
 
     stack.set_visible_child_name("not_recording")
 
 


@@ -120,7 +156,7 @@ def make_button(label: str, action: Callable[[
 def make_share_control() -> Gtk.CheckButton:
     can_share = os.path.exists('/sys/module/v4l2loopback')
     control = Gtk.CheckButton(
 def make_share_control() -> Gtk.CheckButton:
     can_share = os.path.exists('/sys/module/v4l2loopback')
     control = Gtk.CheckButton(

-        label='Share Webcam', sensitive=can_share, active=can_share)
+        label='Share Webcam', sensitive=can_share)

     control.set_margin_start(20)
     return control
 
     control.set_margin_start(20)
     return control
 


@@ -138,12 +174,12 @@ def on_activate(app: Gtk.Application) -> None:
     nr_box.append(screen)
     nr_box.append(Gtk.CheckButton(label='Webcam', active=True, group=screen))
     nr_box.append(make_share_control())
     nr_box.append(screen)
     nr_box.append(Gtk.CheckButton(label='Webcam', active=True, group=screen))
     nr_box.append(make_share_control())

-    nr_box.append(make_button("Start Recording", on_start_recording, stack))
+    nr_box.append(make_button("Start Recording", on_start_button, stack))

     stack.add_named(nr_box, "not_recording")
 
     r_box = Gtk.Box()
     r_box.set_orientation(Gtk.Orientation.VERTICAL)
     stack.add_named(nr_box, "not_recording")
 
     r_box = Gtk.Box()
     r_box.set_orientation(Gtk.Orientation.VERTICAL)

-    r_box.append(make_button("Stop Recording", on_stop_recording, stack))
+    r_box.append(make_button("Stop Recording", on_stop_button, stack))

     r_box.append(Gtk.Label(use_markup=True, justify=Gtk.Justification.CENTER))
     stack.add_named(r_box, "recording")
 
     r_box.append(Gtk.Label(use_markup=True, justify=Gtk.Justification.CENTER))
     stack.add_named(r_box, "recording")
 


@@ -155,6 +191,7 @@ def main() -> None:
     app = Gtk.Application(application_id='net.chkno.srec')
     app.connect('activate', on_activate)
     app.run(None)
     app = Gtk.Application(application_id='net.chkno.srec')
     app.connect('activate', on_activate)
     app.run(None)

+    stop_streams()

 
 
 if __name__ == '__main__':
 
 
 if __name__ == '__main__':