feat(#1758): FFmpeg 渲染加速——preset medium→fast + 多线程 + 环境变量可覆盖 (#1757)

Co-authored-by: xiaoxia <dev@xiaoxiajianji.com> Co-committed-by: xiaoxia <dev@xiaoxiajianji.com>
2026-09-07 16:37:35 +08:00
parent 87a61b7f2b
commit debb3a5d67
6 changed files with 388 additions and 15 deletions
@@ -9,6 +9,7 @@ from dataclasses import dataclass
 from typing import List

 import ffmpeg
+from shared.ffmpeg_utils import FFMPEG_ENCODE_CRF, FFMPEG_ENCODE_PRESET

 logger = logging.getLogger(__name__)

@@ -90,8 +91,8 @@ class VideoProcessor:
                    acodec="aac",
                    s=f"{width}x{height}",
                    r=fps,
-                    preset="medium",
-                    crf=23,
+                    preset=FFMPEG_ENCODE_PRESET,
+                    crf=int(FFMPEG_ENCODE_CRF),
                )
                .overwrite_output()
                .run(capture_stdout=True, capture_stderr=True)