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feat: encodage vidéo libsvtav1 avec HDR10 statique et HDR10+ via svtav1-params

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Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Antoine Van Elstraete
2026-03-22 23:28:43 +01:00
parent 839edd785f
commit 16f169cb81
1 changed files with 19 additions and 11 deletions
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30
vid_convert.py
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@@ -182,17 +182,13 @@ def convert_audio(file, track, volume_adj, channels, channel_layout, language, t
logging.error(result)
def convert_video(file, infos, start, crop, crf, animation, interlaced, vhs):
str_start = "{:05d}".format(start)
output = f'{file}_video_t{str_start}.mkv'
def convert_video(file, infos, crf, crop, enc_options, interlaced, vhs):
output = f'{file}_video.mkv'
fmt = "yuv420p10le"
track = infos['video']['index']
codec = 'libx265 -preset slower'
codec = 'libsvtav1'
svtav1_params = enc_options
hdr = ''
if animation:
tune = "-tune animation"
else:
tune = ""
if interlaced:
crop = f"{crop},yadif"
if vhs:
@@ -229,10 +225,22 @@ def convert_video(file, infos, start, crop, crf, animation, interlaced, vhs):
max_luminance = int(int(max_luminance[0])*(int(max_luminance[1])/10000))
luminance = f'L\({max_luminance},{min_luminance}\)'
master_display = green + blue + red + white_point + luminance
hdr = f'-x265-params hdr-opt=1:repeat-headers=1:colorprim={color_primaries}:transfer={color_transfer}:colormatrix={color_space}:master-display={master_display}:max-cll={light_level}'
hdr = f'mastering-display={master_display}:content-light={light_level}'
if svtav1_params:
svtav1_params = f'{svtav1_params}:{hdr}'
else:
svtav1_params = hdr
except Exception as err:
logging.debug(f"Aucune information HDR : {err}")
command = f'ffmpeg -loglevel error -i {file} -map 0:{track} -ss {start} -t 300 -an -sn -c:v {codec} {tune} {hdr} -crf {crf} -pix_fmt {fmt} -filter:v {crop} -y {output}'
logging.debug(f"Aucune information HDR statique : {err}")
if 'hdr10plus' in infos['video']:
hdr10plus_param = f"hdr10plus-json={infos['video']['hdr10plus_metadata']}"
if svtav1_params:
svtav1_params = f'{svtav1_params}:{hdr10plus_param}'
else:
svtav1_params = hdr10plus_param
svtav1_args = f'-svtav1-params {svtav1_params}' if svtav1_params else ''
command = f'ffmpeg -loglevel error -i {file} -map 0:{track} -an -sn -c:v {codec} {svtav1_args} -crf {crf} -pix_fmt {fmt} -filter:v {crop} -y {output}'
logging.info("Encodage vidéo en cours (AV1-SVT)...")
logging.debug(command)
result = subprocess.getoutput(command)
if result != "":