AV1 commence à arriver sur Youtube :
Vert : AV1
Violet : VP9
Rouge : MPEG-4 AVC / H.264
Retour de Youtube-dl coloré à la main :
[youtube] a84UlLe6zDg: Downloading webpage
[info] Available formats for a84UlLe6zDg:
format code extension resolution note
249 webm audio only tiny 63k , opus @ 50k (48000Hz), 620.07KiB
250 webm audio only tiny 81k , opus @ 70k (48000Hz), 818.92KiB
140 m4a audio only tiny 130k , m4a_dash container, mp4a.40.2@128k (44100Hz), 1.53MiB
251 webm audio only tiny 154k , opus @160k (48000Hz), 1.58MiB
394 mp4 256x144 144p 92k , av01.0.00M.08, 24fps, video only, 948.30KiB
278 webm 256x144 144p 98k , webm container, vp9, 24fps, video only, 1.08MiB
160 mp4 256x144 144p 110k , avc1.4d400c, 24fps, video only, 883.07KiB
395 mp4 426x240 240p 190k , av01.0.00M.08, 24fps, video only, 1.71MiB
242 webm 426x240 240p 216k , vp9, 24fps, video only, 2.03MiB
133 mp4 426x240 240p 241k , avc1.4d4015, 24fps, video only, 1.63MiB
396 mp4 640x360 360p 348k , av01.0.01M.08, 24fps, video only, 3.01MiB
243 webm 640x360 360p 406k , vp9, 24fps, video only, 3.66MiB
134 mp4 640x360 360p 608k , avc1.4d401e, 24fps, video only, 3.92MiB
397 mp4 854x480 480p 636k , av01.0.04M.08, 24fps, video only, 5.28MiB
244 webm 854x480 480p 750k , vp9, 24fps, video only, 6.18MiB
135 mp4 854x480 480p 1158k , avc1.4d401e, 24fps, video only, 7.55MiB
398 mp4 1280x720 720p 1293k , av01.0.05M.08, 24fps, video only, 10.50MiB
247 webm 1280x720 720p 1500k , vp9, 24fps, video only, 11.90MiB
136 mp4 1280x720 720p 2194k , avc1.4d401f, 24fps, video only, 13.98MiB
399 mp4 1920x1080 1080p 2266k , av01.0.08M.08, 24fps, video only, 18.07MiB
248 webm 1920x1080 1080p 2631k , vp9, 24fps, video only, 20.85MiB
137 mp4 1920x1080 1080p 3915k , avc1.640028, 24fps, video only, 24.82MiB
271 webm 2560x1440 1440p 7240k , vp9, 24fps, video only, 47.52MiB
313 webm 3840x2160 2160p 17700k , vp9, 24fps, video only, 131.46MiB
18 mp4 640x360 360p 581k , avc1.42001E, 24fps, mp4a.40.2@ 96k (44100Hz), 6.87MiB
22 mp4 1280x720 720p 1313k , avc1.64001F, 24fps, mp4a.40.2@192k (44100Hz) (best)
Je m’attendais a ce que ce soit le conteneur webm et non mp4 pour l'AV1 !
Quel sont faut-il prendre comme piste audio pour l'AV1 ? mp4a ou opus ? J'aurais tendence à dire opus, mais je suis étonné de devoir combiner un audio mp4 et un opus webm.