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Add DVD encode profiles and subtitle hardsub burn-in

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Introduce three project-level DVD encode profiles (Compatibility 4500k /
High quality VBR / Custom) via new config keys, and burn a chosen
embedded subtitle track into the picture:

- file_movie carries the hardsub selection (index/kind), persists it, and
  builds a subtitle-picker combobox in its properties page; set_final_rates
  maps the profile to the final video/audio bitrate.
- ffmpeg burns text subs with the subtitles= filter after scaling and image
  subs with an overlay filtergraph before scaling; NTSC DVD audio is now AC3
  for all profiles. A start_offset (-ss) is threaded through for segmenting.
- avconv gets the text-sub path and start_offset for parity.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Luna 2026-06-02 12:45:36 -07:00
parent a158119d41
commit 8b041f0725
4 changed files with 310 additions and 13 deletions
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29
src/devedeng/configuration_data.py
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@ -118,6 +118,11 @@ class configuration(GObject.GObject):
self.subt_fill_color = (1, 1, 1, 1)
self.subt_outline_color = (0, 0, 0, 1)
self.subt_outline_thickness = 0.0
# DVD encode profile: "compatibility" (CBR 4500k, old-player safe),
# "high" (2-pass VBR filling the disc), or "custom" (user bitrates).
self.encode_profile = "compatibility"
self.custom_video_kbps = 4500
self.custom_audio_kbps = 192
config_folder = self._get_config_folder()
config_path = os.path.join(config_folder, "devedeng.cfg")
@ -185,6 +190,23 @@ class configuration(GObject.GObject):
float(c[0]), float(c[1]), float(c[2]), 1.0)
if linea[:27] == "subtitle_outilne_thickness:":
self.subt_outline_thickness = float(linea[27:].strip())
if linea[:15] == "encode_profile:":
profile = linea[15:].strip()
if profile in ("compatibility", "high", "custom"):
self.encode_profile = profile
continue
if linea[:18] == "custom_video_kbps:":
try:
self.custom_video_kbps = int(linea[18:].strip())
except ValueError:
pass
continue
if linea[:18] == "custom_audio_kbps:":
try:
self.custom_audio_kbps = int(linea[18:].strip())
except ValueError:
pass
continue
config_data.close()
except:
pass
@ -249,7 +271,12 @@ class configuration(GObject.GObject):
config_data.write("subtitle_outline_color:" + str(self.subt_outline_color[0]) + "," + str(
self.subt_outline_color[1]) + "," + str(self.subt_outline_color[2]) + "\n")
config_data.write("subtitle_outilne_thickness:" +
str(self.subt_outline_thickness))
str(self.subt_outline_thickness) + "\n")
config_data.write("encode_profile:" + str(self.encode_profile) + "\n")
config_data.write("custom_video_kbps:" +
str(self.custom_video_kbps) + "\n")
config_data.write("custom_audio_kbps:" +
str(self.custom_audio_kbps))
config_data.close()
# remove old configuration files