filmroellchen/intro-outro-generator
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

make-ffmpeg-fade: use better algorythm for determining lines

Browse source
This commit is contained in:
Franziska Kunsmann 2024-03-18 14:19:36 +01:00
parent 96f410ba6a
commit ec29473d53
1 changed files with 49 additions and 52 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

101
make-ffmpeg-fade.py
View file

@ -174,21 +174,28 @@ def run(command, **kwargs):
def fit_text(string: str, frame_width):
split_line = [x.strip() for x in string.split()]
lines = ""
lines = []
w = 0
line_num = 0
line = ""
line = []
for word in split_line:
w, _ = translation_font.getsize(" ".join([line, word]))
print("{}, {}".format(w, line))
if w > (frame_width):
print("too wide, breaking")
lines += line.strip() + "\n"
line = ""
new_line = line + [word.rstrip(':')]
w, _ = translation_font.getsize(" ".join(new_line))
print(w, new_line)
if w > frame_width:
print("too wide, breaking", line)
lines.append(' '.join(line))
line = []
line += word + " "
line.append(word.rstrip(':'))
lines += line.strip()
if word.endswith(':'):
print(':, breaking', line)
lines.append(' '.join(line))
line = []
if line:
lines.append(' '.join(line))
return lines
@ -233,48 +240,38 @@ def enqueue_job(event):
outfile = os.path.join(os.path.dirname(args.project), event_id + '.ts')
videofilter = "drawtext=fontfile={fontfile}:fontsize={fontsize}:fontcolor={fontcolor}:x={x}:y={y}:text='{text}':".format(
fontfile=font_t,
fontsize=title_fontsize,
fontcolor=title_fontcolor,
x=title_x,
y=title_y,
text=t)
videofilter += "alpha='if(lt(t,{fade_in_start_time}),0,if(lt(t,{fade_in_end_time}),(t-{fade_in_start_time})/{fade_duration},if(lt(t,{fade_out_start_time}),1,if(lt(t,{fade_out_end_time}),({fade_duration}-(t-{fade_out_start_time}))/{fade_duration},0))))',".format(
fade_in_start_time=title_in,
fade_in_end_time=title_in + fade_duration,
fade_out_start_time=title_in + fade_duration + title_duration,
fade_out_end_time=title_in + fade_duration + title_duration + fade_duration,
fade_duration=fade_duration
)
videofilter += "drawtext=fontfile={fontfile}:fontsize={fontsize}:fontcolor={fontcolor}:x={x}:y={y}:text='{text}':".format(
fontfile=font_s,
fontsize=speaker_fontsize,
fontcolor=speaker_fontcolor,
x=speaker_x,
y=speaker_y,
text=s)
videofilter += "alpha='if(lt(t,{fade_in_start_time}),0,if(lt(t,{fade_in_end_time}),(t-{fade_in_start_time})/{fade_duration},if(lt(t,{fade_out_start_time}),1,if(lt(t,{fade_out_end_time}),({fade_duration}-(t-{fade_out_start_time}))/{fade_duration},0))))',".format(
fade_in_start_time=speaker_in,
fade_in_end_time=speaker_in + fade_duration,
fade_out_start_time=speaker_in + fade_duration + speaker_duration,
fade_out_end_time=speaker_in + fade_duration + speaker_duration + fade_duration,
fade_duration=fade_duration
)
videofilter += "drawtext=fontfile={fontfile}:fontsize={fontsize}:fontcolor={fontcolor}:x={x}:y={y}:text={text}:".format(
fontfile=font_tt,
fontsize=text_fontsize,
fontcolor=text_fontcolor,
x=text_x,
y=text_y,
text=text_text)
videofilter += "alpha='if(lt(t,{fade_in_start_time}),0,if(lt(t,{fade_in_end_time}),(t-{fade_in_start_time})/{fade_duration},if(lt(t,{fade_out_start_time}),1,if(lt(t,{fade_out_end_time}),({fade_duration}-(t-{fade_out_start_time}))/{fade_duration},0))))'".format(
fade_in_start_time=text_in,
fade_in_end_time=text_in + fade_duration,
fade_out_start_time=text_in + fade_duration + text_duration,
fade_out_end_time=text_in + fade_duration + text_duration + fade_duration,
fade_duration=fade_duration
)
videofilter = ""
for idx, line in enumerate(t):
videofilter += "drawtext=fontfile={fontfile}:fontsize={fontsize}:fontcolor={fontcolor}:x={x}:y={y}:text='{text}':".format(
fontfile=font_t,
fontsize=title_fontsize,
fontcolor=title_fontcolor,
x=title_x,
y=title_y + (idx * title_fontsize),
text=line)
videofilter += "alpha='if(lt(t,{fade_in_start_time}),0,if(lt(t,{fade_in_end_time}),(t-{fade_in_start_time})/{fade_duration},if(lt(t,{fade_out_start_time}),1,if(lt(t,{fade_out_end_time}),({fade_duration}-(t-{fade_out_start_time}))/{fade_duration},0))))',".format(
fade_in_start_time=title_in,
fade_in_end_time=title_in + fade_duration,
fade_out_start_time=title_in + fade_duration + title_duration,
fade_out_end_time=title_in + fade_duration + title_duration + fade_duration,
fade_duration=fade_duration
)
for idx, line in enumerate(s):
videofilter += "drawtext=fontfile={fontfile}:fontsize={fontsize}:fontcolor={fontcolor}:x={x}:y={y}:text='{text}':".format(
fontfile=font_s,
fontsize=speaker_fontsize,
fontcolor=speaker_fontcolor,
x=speaker_x,
y=speaker_y + (idx * speaker_fontsize),
text=line)
videofilter += "alpha='if(lt(t,{fade_in_start_time}),0,if(lt(t,{fade_in_end_time}),(t-{fade_in_start_time})/{fade_duration},if(lt(t,{fade_out_start_time}),1,if(lt(t,{fade_out_end_time}),({fade_duration}-(t-{fade_out_start_time}))/{fade_duration},0))))',".format(
fade_in_start_time=speaker_in,
fade_in_end_time=speaker_in + fade_duration,
fade_out_start_time=speaker_in + fade_duration + speaker_duration,
fade_out_end_time=speaker_in + fade_duration + speaker_duration + fade_duration,
fade_duration=fade_duration
)
if fileformat == '.mov':
if alpha == 'true':