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Fix quality formats: drop AVC1/MP4 codec restrictions that caused 360p fallback

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Most modern YouTube videos use VP9/AV1, so the old bestvideo[ext=mp4][vcodec^=avc1]
filter always failed and fell through to format codes 22/18 (720p/360p).
--merge-output-format mp4 handles the container; no need to restrict codec.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Mattias Tall
2026-05-26 17:39:55 +02:00
parent 744af7337b
commit c24964a1ee
1 changed files with 9 additions and 9 deletions
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18
backend/services/ytdlp.py
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@@ -449,15 +449,15 @@ def fetch_dislike_count(youtube_video_id: str) -> int | None:
QUALITY_FORMATS = {
"best": "bestvideo[ext=mp4][vcodec^=avc1]+bestaudio[ext=m4a]/bestvideo[ext=mp4]+bestaudio[ext=m4a]/22/18/bestvideo+bestaudio/best",
"2160p": "bestvideo[ext=mp4][height<=2160]+bestaudio[ext=m4a]/bestvideo[height<=2160]+bestaudio/best[height<=2160]",
"1440p": "bestvideo[ext=mp4][height<=1440]+bestaudio[ext=m4a]/bestvideo[height<=1440]+bestaudio/best[height<=1440]",
"1080p": "bestvideo[ext=mp4][vcodec^=avc1][height<=1080]+bestaudio[ext=m4a]/bestvideo[ext=mp4][height<=1080]+bestaudio[ext=m4a]/137+140/22/best[height<=1080]",
"720p": "bestvideo[ext=mp4][vcodec^=avc1][height<=720]+bestaudio[ext=m4a]/bestvideo[ext=mp4][height<=720]+bestaudio[ext=m4a]/22/best[height<=720]",
"480p": "bestvideo[ext=mp4][vcodec^=avc1][height<=480]+bestaudio[ext=m4a]/bestvideo[ext=mp4][height<=480]+bestaudio[ext=m4a]/18/best[height<=480]",
"360p": "bestvideo[ext=mp4][height<=360]+bestaudio[ext=m4a]/18/best[height<=360]",
"240p": "bestvideo[ext=mp4][height<=240]+bestaudio[ext=m4a]/best[height<=240]",
"144p": "bestvideo[ext=mp4][height<=144]+bestaudio[ext=m4a]/best[height<=144]",
"best": "bestvideo+bestaudio/best",
"2160p": "bestvideo[height<=2160]+bestaudio/best[height<=2160]",
"1440p": "bestvideo[height<=1440]+bestaudio/best[height<=1440]",
"1080p": "bestvideo[height<=1080]+bestaudio/best[height<=1080]",
"720p": "bestvideo[height<=720]+bestaudio/best[height<=720]",
"480p": "bestvideo[height<=480]+bestaudio/best[height<=480]",
"360p": "bestvideo[height<=360]+bestaudio/best[height<=360]",
"240p": "bestvideo[height<=240]+bestaudio/best[height<=240]",
"144p": "bestvideo[height<=144]+bestaudio/best[height<=144]",
}