GStreamer qtmux/mp4mux命令到代码的转换

import gi
gi.require_version('Gst', '1.0')
from gi.repository import Gst

# 初始化GStreamer
Gst.init(None)

# 创建GStreamer的管道
pipeline = Gst.Pipeline()

# 创建音视频源
src = Gst.ElementFactory.make("videotestsrc", "src")
pipeline.add(src)

# 创建编码器
encoder = Gst.ElementFactory.make("x264enc", "encoder")
pipeline.add(encoder)

# 创建封装器
muxer = Gst.ElementFactory.make("qtmux", "muxer")
pipeline.add(muxer)

# 创建文件输出
sink = Gst.ElementFactory.make("filesink", "sink")
sink.set_property("location", "output.mov")
pipeline.add(sink)

# 连接元素
src.link(encoder)
encoder.link(muxer)
muxer.link(sink)

# 启动管道
pipeline.set_state(Gst.State.PLAYING)

# 等待直到管道结束
bus = pipeline.get_bus()
msg = bus.timed_pop_filtered(Gst.CLOCK_TIME_NONE, Gst.MessageType.ERROR | Gst.MessageType.EOS)

# 停止管道
pipeline.set_state(Gst.State.NULL)