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Support excluding the overlay from concatenated videos.

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yrriban 2025-06-11 02:45:17 -04:00
parent b62e9ebbf9
commit 8c1d031def
1 changed files with 32 additions and 26 deletions
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14
dcc/concat.py
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@ -13,6 +13,7 @@ class Concat(dcc.doom_base.Wad):
parser = super().get_parser(prog_name)
parser.add_argument("start_map")
parser.add_argument("end_map")
parser.add_argument("-n", "--nooverlay", action="store_true")
return parser
def take_action(self, parsed_args):
@ -38,6 +39,7 @@ class Concat(dcc.doom_base.Wad):
sink = ograph.add("buffersink")
asink = ograph.add("abuffersink")
if not parsed_args.nooverlay:
img = wand.image.Image(height=chunk.streams[0].height,width=chunk.streams[0].width)
mapstring = v.name[-6:-4]
text = self._config["map_names"][f"map{mapstring}"]
@ -72,17 +74,20 @@ class Concat(dcc.doom_base.Wad):
output.streams[1].bit_rate=chunk.streams[1].bit_rate
src = ograph.add_buffer(template=chunk.streams[0], time_base=chunk.streams[0].time_base)
asrc = ograph.add_abuffer(template=chunk.streams[1], time_base=chunk.streams[1].time_base)
ifade = ograph.add("fade", args="in:0:60")
iafade = ograph.add("afade", args="in:{}:48000".format(offset*48000/1000000))
ofade = ograph.add("fade", args="out:{}:60".format((chunk.duration*60/1000000)-60))
oafade = ograph.add("afade", args="out:{}:48000".format(((offset+chunk.duration)*48000/1000000)-48000))
if not parsed_args.nooverlay:
overlay = ograph.add_buffer(width=img.width, height=img.height, format="rgba", time_base=chunk.streams[0].time_base)
overlay_fo = ograph.add("fade", args="out:240:60")
overlay.link_to(overlay_fo, 0, 0)
composite = ograph.add("overlay", args="x=4:y=4")
src.link_to(composite, 0, 0)
overlay_fo.link_to(composite, 0, 1)
ifade = ograph.add("fade", args="in:0:60")
iafade = ograph.add("afade", args="in:{}:48000".format(offset*48000/1000000))
ofade = ograph.add("fade", args="out:{}:60".format((chunk.duration*60/1000000)-60))
oafade = ograph.add("afade", args="out:{}:48000".format(((offset+chunk.duration)*48000/1000000)-48000))
composite.link_to(ifade, 0, 0)
else:
src.link_to(ifade, 0, 0)
asrc.link_to(iafade, 0, 0)
ifade.link_to(ofade, 0, 0)
iafade.link_to(oafade, 0, 0)
@ -97,6 +102,7 @@ class Concat(dcc.doom_base.Wad):
packet.pts += (offset * packet.time_base.denominator) / (packet.time_base.numerator * 1000000)
if packet.stream_index == 0: # TODO: robustness
for ifr in packet.decode():
if not parsed_args.nooverlay:
text_frame = av.video.frame.VideoFrame(img.width, img.height, format="rgba")
text_frame.planes[0].update(img.make_blob(format="rgba"))
text_frame.pts = ifr.pts