Repository: yt-dlp
Issue: FixupM3u8 doesn't remove image cloaking from MPEG-TS
Labels: enhancement,core:post-processor

### Checklist

- [X] I'm reporting a bug unrelated to a specific site
- [X] I've verified that I'm running yt-dlp version **2021.12.27**. ([update instructions](https://github.com/yt-dlp/yt-dlp#update))
- [X] I've checked that all provided URLs are alive and playable in a browser
- [X] I've checked that all URLs and arguments with special characters are [properly quoted or escaped](https://github.com/ytdl-org/youtube-dl#video-url-contains-an-ampersand-and-im-getting-some-strange-output-1-2839-or-v-is-not-recognized-as-an-internal-or-external-command)
- [X] I've searched the [bugtracker](https://github.com/yt-dlp/yt-dlp/issues?q=) for similar issues including closed ones. DO NOT post duplicates
- [X] I've read the [guidelines for opening an issue](https://github.com/yt-dlp/yt-dlp/blob/master/CONTRIBUTING.md#opening-an-issue)

### Description

some MPEG-TS may have BMP or PNG file header to fool ffmpeg, forcing ffmpeg to parse input as mpegts can fix the issue.

### Verbose log

```shell
[debug] Command-line config: ['-Uv', 'http://yun.66dm.net/m3u8/20220105/7fad147ad99a91a82cfb23aabc5e358be0576825.m3u8']
[debug] Encodings: locale cp950, fs utf-8, out cp950 (No ANSI), err cp950 (No ANSI), pref cp950
[debug] yt-dlp version 2021.12.27 [6223f67] (win_exe)
[debug] Python version 3.8.10 (CPython 64bit) - Windows-7-6.1.7601-SP1
[debug] exe versions: ffmpeg 4.3.1-2021-01-01-full_build-www.gyan.dev
[debug] Optional libraries: Cryptodome, mutagen, sqlite, websockets
[debug] Proxy map: {}
Latest version: 2021.12.27, Current version: 2021.12.27
yt-dlp is up to date (2021.12.27)
[debug] [generic] Extracting URL: http://yun.66dm.net/m3u8/20220105/7fad147ad99a91a82cfb23aabc5e358be0576825.m3u8
[generic] 7fad147ad99a91a82cfb23aabc5e358be0576825: Requesting header
[debug] Identified a direct video link
[generic] 7fad147ad99a91a82cfb23aabc5e358be0576825: Downloading m3u8 information
[debug] Formats sorted by: hasvid, ie_pref, lang, quality, res, fps, hdr:12(7), vcodec:vp9.2(10), acodec, filesize, fs_approx, tbr, vbr, abr, asr, proto, vext, aext, hasaud, source, id
[debug] Default format spec: bestvideo*+bestaudio/best
[info] 7fad147ad99a91a82cfb23aabc5e358be0576825: Downloading 1 format(s): 0
[debug] Invoking downloader on "http://yun.66dm.net/m3u8/20220105/7fad147ad99a91a82cfb23aabc5e358be0576825.m3u8"
[hlsnative] Downloading m3u8 manifest
[hlsnative] Total fragments: 35
[download] Destination: 7fad147ad99a91a82cfb23aabc5e358be0576825 [7fad147ad99a91a82cfb23aabc5e358be0576825].mp4

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WARNING: Unable to extract metadata: ffprobe not found. Please install or provide the path using --ffmpeg-location
[FixupM3u8] Fixing MPEG-TS in MP4 container of "7fad147ad99a91a82cfb23aabc5e358be0576825 [7fad147ad99a91a82cfb23aabc5e358be0576825].mp4"
[debug] ffmpeg command line: ffmpeg -y -loglevel "repeat+info" -i "file:7fad147ad99a91a82cfb23aabc5e358be0576825 [7fad147ad99a91a82cfb23aabc5e358be0576825].mp4" -c copy -map 0 -dn -f mp4 "-bsf:a" aac_adtstoasc -movflags "+faststart" "file:7fad147ad99a91a82cfb23aabc5e358be0576825 [7fad147ad99a91a82cfb23aabc5e358be0576825].temp.mp4"
[debug] ffmpeg version 4.3.1-2021-01-01-full_build-www.gyan.dev Copyright (c) 2000-2021 the FFmpeg developers
  built with gcc 10.2.0 (Rev5, Built by MSYS2 project)
  configuration: --enable-gpl --enable-version3 --enable-static --disable-w32threads --disable-autodetect --enable-fontconfig --enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp --enable-lzma --enable-libsnappy --enable-zlib --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libdav1d --enable-libzvbi --enable-librav1e --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-libaom --enable-libopenjpeg --enable-libvpx --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-libcdio --enable-libgme --enable-libmodplug --enable-libopenmpt --enable-libopencore-amrwb --enable-libmp3lame --enable-libshine --enable-libtheora --enable-libtwolame --enable-libvo-amrwbenc --enable-libilbc --enable-libgsm --enable-libopencore-amrnb --enable-libopus --enable-libspeex --enable-libvorbis --enable-ladspa --enable-libbs2b --enable-libflite --enable-libmysofa --enable-librubberband --enable-libsoxr --enable-chromaprint
  libavutil      56. 51.100 / 56. 51.100
  libavcodec     58. 91.100 / 58. 91.100
  libavformat    58. 45.100 / 58. 45.100
  libavdevice    58. 10.100 / 58. 10.100
  libavfilter     7. 85.100 /  7. 85.100
  libswscale      5.  7.100 /  5.  7.100
  libswresample   3.  7.100 /  3.  7.100
  libpostproc    55.  7.100 / 55.  7.100
Input #0, bmp_pipe, from 'file:7fad147ad99a91a82cfb23aabc5e358be0576825 [7fad147ad99a91a82cfb23aabc5e358be0576825].mp4':
  Duration: N/A, bitrate: N/A
    Stream #0:0: Video: bmp, bgra, 2x2, 25 fps, 25 tbr, 25 tbn, 25 tbc
[mp4 @ 0000000002596040] Could not find tag for codec bmp in stream #0, codec not currently supported in container
Could not write header for output file #0 (incorrect codec parameters ?): Invalid argument
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
ERROR: Postprocessing:   Stream #0:0 -> #0:0 (copy)
Traceback (most recent call last):
  File "yt_dlp\YoutubeDL.py", line 3064, in process_info
  File "yt_dlp\YoutubeDL.py", line 3235, in post_process
  File "yt_dlp\YoutubeDL.py", line 3178, in run_pp
  File "yt_dlp\postprocessor\common.py", line 22, in run
  File "yt_dlp\postprocessor\common.py", line 117, in wrapper
  File "yt_dlp\postprocessor\ffmpeg.py", line 885, in run
  File "yt_dlp\postprocessor\ffmpeg.py", line 846, in _fixup
  File "yt_dlp\postprocessor\ffmpeg.py", line 326, in run_ffmpeg
  File "yt_dlp\postprocessor\ffmpeg.py", line 280, in run_ffmpeg_multiple_files
  File "yt_dlp\postprocessor\ffmpeg.py", line 319, in real_run_ffmpeg
yt_dlp.postprocessor.ffmpeg.FFmpegPostProcessorError:   Stream #0:0 -> #0:0 (copy)
```