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工作流，优化双卡协同，加视频防音画不同步

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This commit is contained in:
Jerry Yan 2022-05-04 15:47:59 +08:00
parent a393639ac1
commit 28a56b6b83
2 changed files with 28 additions and 14 deletions
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41
danmaku_workflow.py
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@ -328,6 +328,7 @@ class WorkerThread(QThread):
"-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",
# "-t", "10",
new_filename
], **subprocess_args(True))
@ -342,6 +343,7 @@ class WorkerThread(QThread):
"-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",
# "-t", "10",
new_filename
], **subprocess_args(True))
@ -355,6 +357,7 @@ class WorkerThread(QThread):
"-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",
# "-t", "10",
new_filename
], **subprocess_args(True))
@ -368,6 +371,7 @@ class WorkerThread(QThread):
"-f", "mp4", "-preset:v", "fast", "-profile:v", "high", "-level", "4.1",
"-b:v", VIDEO_BITRATE, "-rc:v", "vbr",
"-qmin", "10", "-qmax", "32", "-crf", "16",
"-fflags", "+genpts", "-shortest", "-movflags", "faststart",
# "-t", "10",
new_filename
], **subprocess_args(True))
@ -384,30 +388,34 @@ class WorkerThread(QThread):
print("[>]Duration:", duration)
if duration > (VIDEO_CLIP_EACH_SEC * 5):
# qsv 压制前2段，剩余交由nvenc压制
new_filename0 = base_ts_to_filename(base_ts)
new_filename1 = base_ts_to_filename(base_ts + VIDEO_CLIP_EACH_SEC * 2)
_slices = int(duration / VIDEO_CLIP_EACH_SEC)
new_filename0 = base_ts_to_filename(base_ts + (_slices - 1) * VIDEO_CLIP_EACH_SEC)
new_filename1 = base_ts_to_filename(base_ts)
print("[+]Use Intel QSV Acceleration")
encode_process0 = subprocess.Popen([
FFMPEG_EXEC, "-hide_banner", "-progress", "-", "-loglevel", "error", "-y",
"-hwaccel", "qsv", "-t", str(VIDEO_CLIP_EACH_SEC * 2 + (VIDEO_CLIP_OVERFLOW_SEC * 0.8)), "-i",
orig_filename, "-vf",
"-hwaccel", "qsv", "-ss", str((_slices - 1) * VIDEO_CLIP_EACH_SEC),
"-copyts", "-i", orig_filename, "-vf",
",".join("subtitles=%s" % i for i in subtitles),
"-c:a", "copy", "-c:v", "h264_qsv",
"-c:a", "copy", "-c:v", "h264_qsv", "-ss", str((_slices - 1) * 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",
# "-t", "10",
new_filename0
], **subprocess_args(True))
print("[+]Use Nvidia NvEnc Acceleration")
encode_process1 = subprocess.Popen([
FFMPEG_EXEC, "-hide_banner", "-progress", "-", "-loglevel", "error", "-y",
"-ss", str(VIDEO_CLIP_EACH_SEC * 2), "-copyts", "-i", orig_filename, "-vf",
"-t", str((_slices - 1) * VIDEO_CLIP_EACH_SEC + (VIDEO_CLIP_OVERFLOW_SEC * 0.5)),
"-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),
"-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",
# "-t", "10",
new_filename1
], **subprocess_args(True))
@ -418,30 +426,34 @@ class WorkerThread(QThread):
return [new_filename0, new_filename1]
elif duration > (VIDEO_CLIP_EACH_SEC * 3):
# 至少也要能切2片，才用双GPU加速
new_filename0 = base_ts_to_filename(base_ts, True)
new_filename1 = base_ts_to_filename(base_ts + VIDEO_CLIP_EACH_SEC)
_slices = int(duration / VIDEO_CLIP_EACH_SEC)
new_filename0 = base_ts_to_filename(base_ts + _slices * VIDEO_CLIP_EACH_SEC, True)
new_filename1 = base_ts_to_filename(base_ts)
print("[+]Use Intel QSV Acceleration")
encode_process0 = subprocess.Popen([
FFMPEG_EXEC, "-hide_banner", "-progress", "-", "-loglevel", "error", "-y",
"-hwaccel", "qsv", "-t", str(VIDEO_CLIP_EACH_SEC + (VIDEO_CLIP_OVERFLOW_SEC * 0.8)), "-i",
orig_filename, "-vf",
"-hwaccel", "qsv", "-ss", str(_slices * VIDEO_CLIP_EACH_SEC),
"-copyts", "-i", orig_filename, "-vf",
",".join("subtitles=%s" % i for i in subtitles),
"-c:a", "copy", "-c:v", "h264_qsv",
"-c:a", "copy", "-c:v", "h264_qsv", "-ss", str(_slices * 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",
# "-t", "10",
new_filename0
], **subprocess_args(True))
print("[+]Use Nvidia NvEnc Acceleration")
encode_process1 = subprocess.Popen([
FFMPEG_EXEC, "-hide_banner", "-progress", "-", "-loglevel", "error", "-y",
"-ss", str(VIDEO_CLIP_EACH_SEC), "-copyts", "-i", orig_filename, "-vf",
"-t", str(_slices * VIDEO_CLIP_EACH_SEC + VIDEO_CLIP_OVERFLOW_SEC * 0.5),
"-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),
"-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",
# "-t", "10",
new_filename1
], **subprocess_args(True))
@ -471,6 +483,7 @@ class WorkerThread(QThread):
"-ss", str(current_sec),
"-i", file_name, "-c", "copy", "-f", "mp4",
"-t", str(VIDEO_CLIP_EACH_SEC + VIDEO_CLIP_OVERFLOW_SEC),
"-fflags", "+genpts", "-shortest", "-movflags", "faststart",
"{}.mp4".format(current_dt)
], **subprocess_args(True))
self.handle_ffmpeg_output(split_process.stdout)

1
quick_split_video.py
View File

@ -47,6 +47,7 @@ if __name__ == '__main__':
"-ss", str(current_sec),
"-i", input_file, "-c", "copy", "-f", "mp4",
"-t", str(EACH_SEC + OVERFLOW_SEC),
"-shortest",
"{}.mp4".format(current_dt)
])
split_process.wait()