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视频通用参数抽象

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This commit is contained in:
Jerry Yan 2022-05-18 09:22:51 +08:00
parent 6af1d66120
commit bc516973bc
1 changed files with 25 additions and 34 deletions
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59
workflow/video.py
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@ -27,8 +27,7 @@ def multi_gpu_encode_video_with_subtitles(orig_filename: str, subtitles: list[st
new_filename = base_ts_to_filename(base_ts)
new_fullpath = os.path.join(VIDEO_OUTPUT_DIR, new_filename)
if not (FFMPEG_USE_NVIDIA_GPU and FFMPEG_USE_INTEL_GPU):
print("[!]Please Enable Both Of Encode Acceleration")
print("[!]Fallback to normal")
print("[!]Not Enabled Both GPU")
encode_video_with_subtitles(orig_filename, subtitles, new_fullpath)
return [new_fullpath]
_duration_str = get_video_real_duration(orig_filename)
@ -47,10 +46,8 @@ def multi_gpu_encode_video_with_subtitles(orig_filename: str, subtitles: list[st
"-copyts", "-i", orig_filename, "-vf",
",".join("subtitles=%s" % i for i in subtitles),
"-c:a", "copy", "-c:v", "h264_qsv",
"-f", "mp4", "-preset:v", "fast", "-profile:v", "high", "-level", "4.1",
"-b:v", VIDEO_BITRATE, "-rc:v", "vbr", "-tune:v", "hq",
"-qmin", "10", "-qmax", "32", "-crf", "16",
"-fflags", "+genpts", "-shortest", "-movflags", "faststart",
"-f", "mp4", "-b:v", VIDEO_BITRATE, "-rc:v", "vbr", "-tune:v", "hq",
*_common_ffmpeg_params(),
# "-t", "10",
new_fullpath0
])
@ -61,10 +58,8 @@ def multi_gpu_encode_video_with_subtitles(orig_filename: str, subtitles: list[st
"-i", orig_filename, "-vf",
",".join("subtitles=%s" % i for i in subtitles),
"-c:a", "copy", "-c:v", "h264_nvenc", "-ss", str(VIDEO_CLIP_EACH_SEC * 2),
"-f", "mp4", "-preset:v", "fast", "-profile:v", "high", "-level", "4.1",
"-b:v", VIDEO_BITRATE, "-rc:v", "vbr", "-tune:v", "hq",
"-qmin", "10", "-qmax", "32", "-crf", "16",
"-fflags", "+genpts", "-shortest", "-movflags", "faststart",
"-f", "mp4", "-b:v", VIDEO_BITRATE, "-rc:v", "vbr", "-tune:v", "hq",
*_common_ffmpeg_params(),
# "-t", "10",
new_fullpath1
])
@ -85,10 +80,8 @@ def multi_gpu_encode_video_with_subtitles(orig_filename: str, subtitles: list[st
"-copyts", "-i", orig_filename, "-vf",
",".join("subtitles=%s" % i for i in subtitles),
"-c:a", "copy", "-c:v", "h264_qsv",
"-f", "mp4", "-preset:v", "fast", "-profile:v", "high", "-level", "4.1",
"-b:v", VIDEO_BITRATE, "-rc:v", "vbr", "-tune:v", "hq",
"-qmin", "10", "-qmax", "32", "-crf", "16",
"-fflags", "+genpts", "-shortest", "-movflags", "faststart",
"-f", "mp4", "-b:v", VIDEO_BITRATE, "-rc:v", "vbr", "-tune:v", "hq",
*_common_ffmpeg_params(),
# "-t", "10",
new_fullpath0
])
@ -99,10 +92,8 @@ def multi_gpu_encode_video_with_subtitles(orig_filename: str, subtitles: list[st
"-i", orig_filename, "-vf",
",".join("subtitles=%s" % i for i in subtitles),
"-c:a", "copy", "-c:v", "h264_nvenc", "-ss", str(VIDEO_CLIP_EACH_SEC),
"-f", "mp4", "-preset:v", "fast", "-profile:v", "high", "-level", "4.1",
"-b:v", VIDEO_BITRATE, "-rc:v", "vbr", "-tune:v", "hq",
"-qmin", "10", "-qmax", "32", "-crf", "16",
"-fflags", "+genpts", "-shortest", "-movflags", "faststart",
"-f", "mp4", "-b:v", VIDEO_BITRATE, "-rc:v", "vbr", "-tune:v", "hq",
*_common_ffmpeg_params(),
# "-t", "10",
new_fullpath1
])
@ -124,10 +115,8 @@ def encode_video_with_subtitles(orig_filename: str, subtitles: list[str], new_fi
"-i", orig_filename, "-vf",
",".join("subtitles=%s" % i for i in subtitles) + ",hwupload_cuda",
"-c:a", "copy", "-c:v", "h264_nvenc",
"-f", "mp4", "-preset:v", "fast", "-profile:v", "high", "-level", "4.1",
"-b:v", VIDEO_BITRATE, "-rc:v", "vbr", "-tune:v", "hq",
"-qmin", "10", "-qmax", "32", "-crf", "16",
"-fflags", "+genpts", "-shortest", "-movflags", "faststart",
"-f", "mp4", "-b:v", VIDEO_BITRATE, "-rc:v", "vbr", "-tune:v", "hq",
*_common_ffmpeg_params(),
# "-t", "10",
new_filename
], stdout=subprocess.PIPE)
@ -139,10 +128,8 @@ def encode_video_with_subtitles(orig_filename: str, subtitles: list[str], new_fi
"-hwaccel", "qsv", "-i", orig_filename, "-vf",
",".join("subtitles=%s" % i for i in subtitles),
"-c:a", "copy", "-c:v", "h264_qsv",
"-f", "mp4", "-preset:v", "fast", "-profile:v", "high", "-level", "4.1",
"-b:v", VIDEO_BITRATE, "-rc:v", "vbr", "-tune:v", "hq",
"-qmin", "10", "-qmax", "32", "-crf", "16",
"-fflags", "+genpts", "-shortest", "-movflags", "faststart",
"-f", "mp4", "-b:v", VIDEO_BITRATE, "-rc:v", "vbr", "-tune:v", "hq",
*_common_ffmpeg_params(),
# "-t", "10",
new_filename
], stdout=subprocess.PIPE)
@ -153,10 +140,8 @@ def encode_video_with_subtitles(orig_filename: str, subtitles: list[str], new_fi
"-hwaccel", "vaapi", "-i", orig_filename, "-vf",
",".join("subtitles=%s" % i for i in subtitles) + ",hwupload",
"-c:a", "copy", "-c:v", "h264_vaapi",
"-f", "mp4", "-preset:v", "fast", "-profile:v", "high", "-level", "4.1",
"-b:v", VIDEO_BITRATE, "-rc:v", "vbr", "-tune:v", "hq",
"-qmin", "10", "-qmax", "32", "-crf", "16",
"-fflags", "+genpts", "-shortest", "-movflags", "faststart",
"-f", "mp4", "-b:v", VIDEO_BITRATE, "-rc:v", "vbr", "-tune:v", "hq",
*_common_ffmpeg_params(),
# "-t", "10",
new_filename
], stdout=subprocess.PIPE)
@ -167,10 +152,8 @@ def encode_video_with_subtitles(orig_filename: str, subtitles: list[str], new_fi
"-i", orig_filename, "-vf",
",".join("subtitles=%s" % i for i in subtitles),
"-c:a", "copy", "-c:v", "h264",
"-f", "mp4", "-preset:v", "fast", "-profile:v", "high", "-level", "4.1",
"-b:v", VIDEO_BITRATE,
"-qmin", "10", "-qmax", "32", "-crf", "16",
"-fflags", "+genpts", "-shortest", "-movflags", "faststart",
"-f", "mp4", "-b:v", VIDEO_BITRATE,
*_common_ffmpeg_params(),
# "-t", "10",
new_filename
], stdout=subprocess.PIPE)
@ -231,3 +214,11 @@ def quick_split_video(file):
], stdout=subprocess.PIPE)
handle_ffmpeg_output(split_process.stdout)
current_sec += VIDEO_CLIP_EACH_SEC
def _common_ffmpeg_params():
return (
"-preset:v", "fast", "-profile:v", "high", "-level", "4.1",
"-qmin", "10", "-qmax", "48", "-crf", "26",
"-fflags", "+genpts", "-shortest"
)