diff --git a/config.py b/config.py index c931d86..e3bbea5 100644 --- a/config.py +++ b/config.py @@ -20,6 +20,8 @@ FFMPEG_USE_NVIDIA_GPU = False FFMPEG_USE_INTEL_GPU = False # bitrate VIDEO_BITRATE = "2.5M" +# crf +VIDEO_CRF = 28 # [video] # title VIDEO_TITLE = "【永恒de草薙直播录播】直播于 {}" @@ -61,11 +63,12 @@ def load_config(): VIDEO_CLIP_OVERFLOW_SEC = section.getfloat('overflow_sec', VIDEO_CLIP_OVERFLOW_SEC) if config.has_section("ffmpeg"): section = config['ffmpeg'] - global FFMPEG_EXEC, FFMPEG_USE_NVIDIA_GPU, FFMPEG_USE_INTEL_GPU, VIDEO_BITRATE + global FFMPEG_EXEC, FFMPEG_USE_NVIDIA_GPU, FFMPEG_USE_INTEL_GPU, VIDEO_BITRATE, VIDEO_CRF FFMPEG_EXEC = section.get('exec', FFMPEG_EXEC) FFMPEG_USE_NVIDIA_GPU = section.getboolean('nvidia_gpu', FFMPEG_USE_NVIDIA_GPU) FFMPEG_USE_INTEL_GPU = section.getboolean('intel_gpu', FFMPEG_USE_INTEL_GPU) VIDEO_BITRATE = section.get('bitrate', VIDEO_BITRATE) + VIDEO_CRF = section.getfloat('crf', VIDEO_CRF) if config.has_section("recorder"): global BILILIVE_RECORDER_DIRECTORY, XIGUALIVE_RECORDER_DIRECTORY, VIDEO_OUTPUT_DIR section = config['recorder'] @@ -95,6 +98,7 @@ def get_config(): 'nvidia_gpu': FFMPEG_USE_NVIDIA_GPU, 'intel_gpu': FFMPEG_USE_INTEL_GPU, 'bitrate': VIDEO_BITRATE, + 'crf': VIDEO_CRF, }, 'recorder': { 'bili_dir': BILILIVE_RECORDER_DIRECTORY, diff --git a/templates/index.html b/templates/index.html index 55da553..cb52508 100644 --- a/templates/index.html +++ b/templates/index.html @@ -75,6 +75,10 @@ 视频比特率 {{ config.ffmpeg.bitrate }} + + 视频CRF + {{ config.ffmpeg.crf }} + @@ -220,6 +224,7 @@ nvidia_gpu: false, intel_gpu: false, bitrate: "", + crf: "", }, recorder: { bili_dir: "", diff --git a/workflow/video.py b/workflow/video.py index 17cfb45..978e2b0 100644 --- a/workflow/video.py +++ b/workflow/video.py @@ -5,7 +5,7 @@ from datetime import datetime, timedelta from typing import IO from config import FFMPEG_EXEC, VIDEO_BITRATE, FFMPEG_USE_NVIDIA_GPU, VIDEO_CLIP_EACH_SEC, VIDEO_CLIP_OVERFLOW_SEC, \ - FFMPEG_USE_INTEL_GPU, VIDEO_OUTPUT_DIR + FFMPEG_USE_INTEL_GPU, VIDEO_OUTPUT_DIR, VIDEO_CRF def base_ts_to_filename(start_ts: float, is_mp4=False) -> str: @@ -164,6 +164,6 @@ def _common_ffmpeg_params(): return ( "-f", "mp4", "-b:v", VIDEO_BITRATE, "-c:a", "copy", "-preset:v", "fast", "-profile:v", "main", "-avoid_negative_ts", "1", - "-qmin", "12", "-qmax", "34", "-crf", "26", "-g:v", "60", + "-qmin", "18", "-qmax", "38", "-crf", str(VIDEO_CRF), "-g:v", "240", "-fflags", "+genpts", "-shortest", "-movflags", "faststart" )