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fcwu
Mac OS support
I know that you have mentioned in the README, that it only supports Windows, Ubuntu and XBMC.
I want to know if there is any specific reason why this may not work in Mac OS.
I installed wxPython in Mac and then when I run the command python lib/advanced.py I am able to get the UI to appear. But when I select another system in the network and click stream, nothing happens. Similarly if I try to stream from my Ubuntu desktop to Mac, nothing happens.
Is anyone interested in proposing a pull request?
Here is the method https://trac.ffmpeg.org/wiki/Capture/Desktop?
Use the avfoundation device:
ffmpeg -f avfoundation -list_devices true -i ""
This will enumerate all the available input devices including screens ready to be captured.
Once you've figured out the device index corresponding to the screen to be captured use:
ffmpeg -f avfoundation -i "<screen device index>:<audio device index>" out.mov
This will capture the screen from <screen device index> and audio from <audio device index> into the output file out.mov.
@fcwu Thanks for the instructions. I will give it a try and if it works will send the pull request.
@fcwu I tried the above commands in my mac.
When I executed the first command I got the following output. Not sure why I received an input/output error at the end but I was able to get the index of the video and audio devices.
ffmpeg -f avfoundation -list_devices true -i ""
ffmpeg version 2.6.3 Copyright (c) 2000-2015 the FFmpeg developers
built with Apple LLVM version 6.1.0 (clang-602.0.53) (based on LLVM 3.6.0svn)
configuration: --prefix=/usr/local/Cellar/ffmpeg/2.6.3 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-libx264 --enable-libmp3lame --enable-libvo-aacenc --enable-libxvid --enable-vda
libavutil 54. 20.100 / 54. 20.100
libavcodec 56. 26.100 / 56. 26.100
libavformat 56. 25.101 / 56. 25.101
libavdevice 56. 4.100 / 56. 4.100
libavfilter 5. 11.102 / 5. 11.102
libavresample 2. 1. 0 / 2. 1. 0
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 1.100 / 1. 1.100
libpostproc 53. 3.100 / 53. 3.100
[AVFoundation input device @ 0x7fe781422c00] AVFoundation video devices:
[AVFoundation input device @ 0x7fe781422c00] [0] FaceTime HD Camera
[AVFoundation input device @ 0x7fe781422c00] [1] Capture screen 0
[AVFoundation input device @ 0x7fe781422c00] AVFoundation audio devices:
[AVFoundation input device @ 0x7fe781422c00] [0] Built-in Microphone
: Input/output error
When I tried to execute the second command using capture screen as video and Built-in Microphone ffmpeg just hanged after the following output.
ffmpeg -f avfoundation -i "1:0" ~/Downloads/out.mov
ffmpeg version 2.6.3 Copyright (c) 2000-2015 the FFmpeg developers
built with Apple LLVM version 6.1.0 (clang-602.0.53) (based on LLVM 3.6.0svn)
configuration: --prefix=/usr/local/Cellar/ffmpeg/2.6.3 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-libx264 --enable-libmp3lame --enable-libvo-aacenc --enable-libxvid --enable-vda
libavutil 54. 20.100 / 54. 20.100
libavcodec 56. 26.100 / 56. 26.100
libavformat 56. 25.101 / 56. 25.101
libavdevice 56. 4.100 / 56. 4.100
libavfilter 5. 11.102 / 5. 11.102
libavresample 2. 1. 0 / 2. 1. 0
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 1.100 / 1. 1.100
libpostproc 53. 3.100 / 53. 3.100
[avfoundation @ 0x7fb5b100da00] Selected pixel format (yuv420p) is not supported by the input device.
[avfoundation @ 0x7fb5b100da00] Supported pixel formats:
[avfoundation @ 0x7fb5b100da00] uyvy422
[avfoundation @ 0x7fb5b100da00] yuyv422
[avfoundation @ 0x7fb5b100da00] nv12
[avfoundation @ 0x7fb5b100da00] 0rgb
[avfoundation @ 0x7fb5b100da00] bgr0
[avfoundation @ 0x7fb5b100da00] Overriding selected pixel format to use uyvy422 instead.
[avfoundation @ 0x7fb5b100da00] Stream #0: not enough frames to estimate rate; consider increasing probesize
Input #0, avfoundation, from '1:0':
Duration: N/A, start: 0.309176, bitrate: 2822 kb/s
Stream #0:0: Video: rawvideo (UYVY / 0x59565955), uyvy422, 2880x1800, 1000k tbr, 1000k tbn, 1000k tbc
Stream #0:1: Audio: pcm_f32le, 44100 Hz, stereo, flt, 2822 kb/s
File '/Users/sudar/Downloads/out.mov' already exists. Overwrite ? [y/N] y
[mov @ 0x7fb5b1052400] Frame rate very high for a muxer not efficiently supporting it.
Please consider specifying a lower framerate, a different muxer or -vsync 2
No pixel format specified, yuv422p for H.264 encoding chosen.
Use -pix_fmt yuv420p for compatibility with outdated media players.
[libx264 @ 0x7fb5b1050800] MB rate (20340000000) > level limit (2073600)
[libx264 @ 0x7fb5b1050800] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 AVX2 LZCNT BMI2
[libx264 @ 0x7fb5b1050800] profile High 4:2:2, level 5.2, 4:2:2 8-bit
[libx264 @ 0x7fb5b1050800] 264 - core 144 r2533 c8a773e - H.264/MPEG-4 AVC codec - Copyleft 2003-2015 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12 lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
[mov @ 0x7fb5b1052400] WARNING codec timebase is very high. If duration is too long,
file may not be playable by quicktime. Specify a shorter timebase
or choose different container.
Output #0, mov, to '/Users/sudar/Downloads/out.mov':
Metadata:
encoder : Lavf56.25.101
Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv422p, 2880x1800, q=-1--1, 1000k fps, 1000k tbn, 1000k tbc
Metadata:
encoder : Lavc56.26.100 libx264
Stream #0:1: Audio: aac (libvo_aacenc) (mp4a / 0x6134706D), 44100 Hz, stereo, s16, 128 kb/s
Metadata:
encoder : Lavc56.26.100 libvo_aacenc
Stream mapping:
Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
Stream #0:1 -> #0:1 (pcm_f32le (native) -> aac (libvo_aacenc))
Press [q] to stop, [?] for help
The screen hanged after this and the output file was empty.
Then I tried by using the built-in camera as video input device.
ffmpeg -f avfoundation -i "0:0" ~/Downloads/out.mov
ffmpeg version 2.6.3 Copyright (c) 2000-2015 the FFmpeg developers
built with Apple LLVM version 6.1.0 (clang-602.0.53) (based on LLVM 3.6.0svn)
configuration: --prefix=/usr/local/Cellar/ffmpeg/2.6.3 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-libx264 --enable-libmp3lame --enable-libvo-aacenc --enable-libxvid --enable-vda
libavutil 54. 20.100 / 54. 20.100
libavcodec 56. 26.100 / 56. 26.100
libavformat 56. 25.101 / 56. 25.101
libavdevice 56. 4.100 / 56. 4.100
libavfilter 5. 11.102 / 5. 11.102
libavresample 2. 1. 0 / 2. 1. 0
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 1.100 / 1. 1.100
libpostproc 53. 3.100 / 53. 3.100
[avfoundation @ 0x7f84eb00da00] Selected pixel format (yuv420p) is not supported by the input device.
[avfoundation @ 0x7f84eb00da00] Supported pixel formats:
[avfoundation @ 0x7f84eb00da00] uyvy422
[avfoundation @ 0x7f84eb00da00] yuyv422
[avfoundation @ 0x7f84eb00da00] nv12
[avfoundation @ 0x7f84eb00da00] 0rgb
[avfoundation @ 0x7f84eb00da00] bgr0
[avfoundation @ 0x7f84eb00da00] Overriding selected pixel format to use uyvy422 instead.
Input #0, avfoundation, from '0:0':
Duration: N/A, start: 0.764278, bitrate: N/A
Stream #0:0: Video: rawvideo (UYVY / 0x59565955), uyvy422, 1280x720, 30 tbr, 1000k tbn, 1000k tbc
Stream #0:1: Audio: pcm_f32le, 44100 Hz, stereo, flt, 2822 kb/s
No pixel format specified, yuv422p for H.264 encoding chosen.
Use -pix_fmt yuv420p for compatibility with outdated media players.
[libx264 @ 0x7f84eb821800] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 AVX2 LZCNT BMI2
[libx264 @ 0x7f84eb821800] profile High 4:2:2, level 3.1, 4:2:2 8-bit
[libx264 @ 0x7f84eb821800] 264 - core 144 r2533 c8a773e - H.264/MPEG-4 AVC codec - Copyleft 2003-2015 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12 lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mov, to '/Users/sudar/Downloads/out.mov':
Metadata:
encoder : Lavf56.25.101
Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv422p, 1280x720, q=-1--1, 30 fps, 15360 tbn, 30 tbc
Metadata:
encoder : Lavc56.26.100 libx264
Stream #0:1: Audio: aac (libvo_aacenc) (mp4a / 0x6134706D), 44100 Hz, stereo, s16, 128 kb/s
Metadata:
encoder : Lavc56.26.100 libvo_aacenc
Stream mapping:
Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
Stream #0:1 -> #0:1 (pcm_f32le (native) -> aac (libvo_aacenc))
Press [q] to stop, [?] for help
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Past duration 0.643929 too large
frame= 503 fps= 28 q=-1.0 Lsize= 5322kB time=00:00:16.73 bitrate=2604.9kbits/s dup=1 drop=0
video:5034kB audio:265kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.444437%
[libx264 @ 0x7f84eb821800] frame I:3 Avg QP:23.10 size: 43299
[libx264 @ 0x7f84eb821800] frame P:293 Avg QP:24.68 size: 15369
[libx264 @ 0x7f84eb821800] frame B:207 Avg QP:25.01 size: 2518
[libx264 @ 0x7f84eb821800] consecutive B-frames: 30.4% 35.8% 25.0% 8.7%
[libx264 @ 0x7f84eb821800] mb I I16..4: 14.1% 75.6% 10.4%
[libx264 @ 0x7f84eb821800] mb P I16..4: 0.7% 3.5% 0.2% P16..4: 58.4% 7.5% 9.9% 0.0% 0.0% skip:19.9%
[libx264 @ 0x7f84eb821800] mb B I16..4: 0.0% 0.0% 0.0% B16..8: 31.5% 0.1% 0.0% direct: 1.8% skip:66.5% L0:36.3% L1:63.0% BI: 0.8%
[libx264 @ 0x7f84eb821800] 8x8 transform intra:78.7% inter:82.8%
[libx264 @ 0x7f84eb821800] coded y,uvDC,uvAC intra: 55.1% 83.7% 40.8% inter: 12.0% 49.8% 1.2%
[libx264 @ 0x7f84eb821800] i16 v,h,dc,p: 12% 9% 6% 74%
[libx264 @ 0x7f84eb821800] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 13% 7% 43% 7% 7% 6% 6% 6% 5%
[libx264 @ 0x7f84eb821800] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 16% 10% 31% 8% 11% 9% 6% 4% 4%
[libx264 @ 0x7f84eb821800] i8c dc,h,v,p: 71% 8% 17% 3%
[libx264 @ 0x7f84eb821800] Weighted P-Frames: Y:17.4% UV:11.3%
[libx264 @ 0x7f84eb821800] ref P L0: 61.3% 7.7% 20.8% 9.8% 0.3%
[libx264 @ 0x7f84eb821800] ref B L0: 78.7% 19.3% 1.9%
[libx264 @ 0x7f84eb821800] ref B L1: 95.3% 4.7%
[libx264 @ 0x7f84eb821800] kb/s:2459.34
Received signal 2: terminating.
After a couple of seconds I terminated the program. This time the video was recorded.
I have two questions for you.
- How to stream the
out.movfile to XBMC - Do you have any idea why I am getting the first error. Is there a way to fix it?
Thanks for all your help so far on this.
If I can get this to work on Mac, then I will send you a pull request.
@fcwu Any idea why this is happening?
Any help on this would be greatly appreciated. Thanks.
@sudar
It's a really late response because of another interesting project...
OK, let me reply second question first. Not to use .mov to do screen recording. Following is my trial that everything looks great
$ ./ffmpeg -f avfoundation -i "1" -vcodec libx264 -preset ultrafast -tune zerolatency -r 25 -fflags nobuffer -f mpegts out.ts
ffmpeg version 2.6.3-tessus Copyright (c) 2000-2015 the FFmpeg developers
built with Apple LLVM version 6.0 (clang-600.0.57) (based on LLVM 3.5svn)
configuration: --cc=/usr/bin/clang --prefix=/opt/ffmpeg --as=yasm --extra-version=tessus --enable-avisynth --enable-fontconfig --enable-gpl --enable-libass --enable-libbluray --enable-libfreetype --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopus --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzmq --enable-version3 --disable-ffplay --disable-indev=qtkit --disable-indev=x11grab_xcb
libavutil 54. 20.100 / 54. 20.100
libavcodec 56. 26.100 / 56. 26.100
libavformat 56. 25.101 / 56. 25.101
libavdevice 56. 4.100 / 56. 4.100
libavfilter 5. 11.102 / 5. 11.102
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 1.100 / 1. 1.100
libpostproc 53. 3.100 / 53. 3.100
[avfoundation @ 0x7fa914800000] Selected pixel format (yuv420p) is not supported by the input device.
[avfoundation @ 0x7fa914800000] Supported pixel formats:
[avfoundation @ 0x7fa914800000] uyvy422
[avfoundation @ 0x7fa914800000] yuyv422
[avfoundation @ 0x7fa914800000] nv12
[avfoundation @ 0x7fa914800000] 0rgb
[avfoundation @ 0x7fa914800000] bgr0
[avfoundation @ 0x7fa914800000] Overriding selected pixel format to use uyvy422 instead.
[avfoundation @ 0x7fa914800000] Stream #0: not enough frames to estimate rate; consider increasing probesize
Input #0, avfoundation, from '1':
Duration: N/A, start: 0.608073, bitrate: N/A
Stream #0:0: Video: rawvideo (UYVY / 0x59565955), uyvy422, 1440x900, 1000k tbr, 1000k tbn, 1000k tbc
No pixel format specified, yuv422p for H.264 encoding chosen.
Use -pix_fmt yuv420p for compatibility with outdated media players.
[libx264 @ 0x7fa91404b000] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
[libx264 @ 0x7fa91404b000] profile High 4:2:2, level 4.0, 4:2:2 8-bit
Output #0, mpegts, to 'out.ts':
Metadata:
encoder : Lavf56.25.101
Stream #0:0: Video: h264 (libx264), yuv422p, 1440x900, q=-1--1, 25 fps, 90k tbn, 25 tbc
Metadata:
encoder : Lavc56.26.100 libx264
Stream mapping:
Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
Press [q] to stop, [?] for help
frame= 213 fps= 25 q=12.0 Lsize= 3217kB time=00:00:08.52 bitrate=3093.4kbits/s dup=84 drop=0
video:2964kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 8.548747%
[libx264 @ 0x7fa91404b000] frame I:1 Avg QP:20.00 size:236905
[libx264 @ 0x7fa91404b000] frame P:212 Avg QP:15.03 size: 13199
[libx264 @ 0x7fa91404b000] mb I I16..4: 100.0% 0.0% 0.0%
[libx264 @ 0x7fa91404b000] mb P I16..4: 4.8% 0.0% 0.0% P16..4: 10.6% 0.0% 0.0% 0.0% 0.0% skip:84.6%
[libx264 @ 0x7fa91404b000] coded y,uvDC,uvAC intra: 22.6% 18.1% 16.5% inter: 5.0% 5.7% 4.7%
[libx264 @ 0x7fa91404b000] i16 v,h,dc,p: 16% 80% 3% 1%
[libx264 @ 0x7fa91404b000] i8c dc,h,v,p: 78% 13% 8% 1%
[libx264 @ 0x7fa91404b000] kb/s:2849.82
$ open out.ts
# Open with VLC(in my environment)
The first question how to scream to XBMC. You may refer master branch
https://github.com/fcwu/desktop-mirror/blob/master/share/default.ini#L2
and win7 branch
https://github.com/fcwu/desktop-mirror/blob/win7/share/default_win7.ini#L2
that given different video_input configuration.
I think you may correct video_input of OSX version and replace ffmpeg of OSX version. When clicking "Scream" button, it will through
https://github.com/fcwu/desktop-mirror/blob/win7/lib/streamserver.py#L83
to stream video on a dedicated port and send a HTTP request to XBMC to play on that URL.