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主动判断是否有音频

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This commit is contained in:
Jerry Yan
2025-03-06 21:37:17 +08:00
parent 56bdad7ad1
commit dcf5f5630d
3 changed files with 35 additions and 9 deletions
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29
util/ffmpeg.py
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@ -16,8 +16,12 @@ def to_annexb(file):
if not os.path.exists(file):
return file
logger.info("ToAnnexb: %s", file)
ffmpeg_process = subprocess.run(["ffmpeg", "-y", "-hide_banner", "-i", file, "-c", "copy", "-bsf:v", "h264_mp4toannexb",
"-f", "mpegts", file+".ts"])
ffmpeg_process = subprocess.run(["ffmpeg", "-y", "-hide_banner", "-i", file,
"-f", "lavfi", "-i", "anullsrc=cl=stereo:r=48000",
"-map", "0:v", "-map", "1:a",
"-c:v", "copy", "-bsf:v", "h264_mp4toannexb",
"-c:a", "aac", "-b:a", "128k", "-ar", "48000", "-ac", "2",
"-f", "mpegts", file+".ts"])
span.set_attribute("ffmpeg.args", json.dumps(ffmpeg_process.args))
logger.info("ToAnnexb: %s, returned: %s", file, ffmpeg_process.returncode)
span.set_attribute("ffmpeg.code", ffmpeg_process.returncode)
@ -128,6 +132,27 @@ def probe_video_info(video_file):
return int(width), int(height), float(duration)
def probe_video_audio(video_file, type=None):
tracer = get_tracer(__name__)
with tracer.start_as_current_span("probe_video_audio") as span:
span.set_attribute("video.file", video_file)
args = ["ffprobe", "-hide_banner", "-v", "error", "-select_streams", "a", "-show_entries", "stream=index", "-of", "csv=p=0"]
if type == 'concat':
args.append("-safe")
args.append("0")
args.append("-f")
args.append("concat")
args.append(video_file)
result = subprocess.run(args, stderr=subprocess.STDOUT, **subprocess_args(True))
span.set_attribute("ffprobe.args", json.dumps(result.args))
span.set_attribute("ffprobe.code", result.returncode)
logger.info("probe_video_audio: %s", result.stdout.decode('utf-8').strip())
if result.returncode != 0:
return False
if result.stdout.decode('utf-8').strip() == '':
return False
return True
# Create a set of arguments which make a ``subprocess.Popen`` (and
# variants) call work with or without Pyinstaller, ``--noconsole`` or
# not, on Windows and Linux. Typical use::