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add options to dump video or audio to file

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fduncanh
2022-03-28 13:03:29 -04:00
parent 7c8636aa4f
commit aec4a07346
5 changed files with 272 additions and 12 deletions
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README.md
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@@ -1,4 +1,4 @@
# UxPlay 1.48: AirPlay/AirPlay-Mirror server for Linux, macOS, and Unix.
# UxPlay 1.49: AirPlay/AirPlay-Mirror server for Linux, macOS, and Unix.
### Now developed at GitHub site [https://github.com/FDH2/UxPlay](https://github.com/FDH2/UxPlay) (where user issues should be posted).
@@ -9,7 +9,8 @@ Highlights:
* Support for both AirPlay Mirror and AirPlay Audio-only (Apple Lossless ALAC) protocols f
from current iOS/iPadOS 15.2 client devices.
* macOS computers (2011 or later) can act either as AirPlay clients, or as the server running UxPlay (tested
on macOS 10.15 Catalina). Using AirPlay, UxPlay can emulate a second display for macOS clients.
on macOS 10.15 Catalina). Using AirPlay, UxPlay can emulate a second display for Intel macOS clients (A video format
issue on "Apple Silicon" (M1) macOS clients is not yet resolved, see [Issues](https://github.com/FDH2/UxPlay/issues/73)) .
* Support for older 32-bit iOS clients (such as iPad 2nd gen, iPhone 4S, when upgraded to iOS 9.3.5 or later),
and a Windows AirPlay-client emulator, AirMyPC.
* Uses GStreamer, with options to select different output "videosinks" and "audiosinks".
@@ -415,6 +416,18 @@ Also: image transforms that had been added to RPiPlay have been ported to UxPlay
may be due to a problem with your DNS-SD or Avahi setup). _This option is currently disabled in
macOS, for the same reason that requires the -nc option._
**-vdmp** Dumps h264 video to file videodump.h264. -vdmp n dumps not more than n NAL units to
videodump.x.h264; x= 1,2,... increases each time a SPS/PPS NAL unit arrives. To change the name
_videodump_, use -vdmp [n] _filename_.
**-admp** Dumps audio to file audiodump.x.aac (AAC-ELD format audio), audiodump.x.alac (ALAC format audio) or audiodump.x.aud
(other-format audio), where x = 1,2,3... increases each time the audio format changes. -admp _n_ restricts the number of
packets dumped to a file to _n_ or less. To change the name _audiodump_, use -admp [n] _filename_.
**-d** Enable debug output. Note: this does not show GStreamer error or debug messages. To see GStreamer error
error and warning messages, set the environment variable GST_DEBUG with "export GST_DEBUG=2" before running uxplay.
To see GStreamer debug messages, set GST_DEBUG=4; increase this to see even more of the GStreamer inner workings.
# Troubleshooting
Note: ```uxplay``` is run from a terminal command line, and informational messages are written to the terminal.
@@ -465,6 +478,16 @@ GStreamer plugin that doesn't work on your system** (by default,
GStreamer uses the "autovideosink" and "autoaudiosink" algorithms
to guess what are the "best" plugins to use on your system).
**M1 (Apple Silicon) Macs stream video with h264 profile High at level 4.2, as opposed to High at level 4.1
(streamed by Intel Macs).
Currently, this is not being correctly recognized by GStreamer, and a video window fails to open when the client is a M1 Mac.
Audio streaming is unaffected. **
See [here]( https://github.com/FDH2/UxPlay/issues/73) for efforts to fix this.
**Raspberry Pi** devices (-rpi option) only work with hardware GPU decoding if the Video4Linux2 plugin in GStreamer v1.20.x or earlier has been patched
(see the UxPlay [Wiki](https://github.com/FDH2/UxPlay/wiki/Gstreamer-Video4Linux2-plugin-patches) for patches).
This may be fixed in the future when GStreamer-1.22 is released, or by backport patches in distributions such as Raspberry Pi OS (Bullseye).
Sometimes "autovideosink" may select the OpenGL renderer "glimagesink" which
may not work correctly on your system. Try the options "-vs ximagesink" or
"-vs xvimagesink" to see if using one of these fixes the problem.
@@ -553,6 +576,8 @@ tvOS 12.2.1), so it is unclear what setting prompts the client
to use the "legacy" protocol needed by UxPlay.
# ChangeLog
1.49 2022-03-28 Addded options for dumping video and/or audio to file, for debugging, etc. h264 PPS/SPS NALU's are shown with -d.
1.48 2022-03-11 Made the GStreamer video pipeline fully configurable, for use with hardware h264 decoding. Support for Raspberry Pi.
1.47 2022-02-05 Added -FPSdata option to display (in the terminal) regular reports sent by the client about video streaming
@@ -682,6 +707,8 @@ is compiled.) On macOS, Avahi is not used.
15. Added Raspberry Pi support (accelerated hardware decoding) with -rpi option.
16. Added otions to dump audio and/or video to file.
# Disclaimer
All the resources in this repository are written using only freely available information from the internet. The code and related resources are meant for educational purposes only. It is the responsibility of the user to make sure all local laws are adhered to.