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Today's Topics:
1. Recorded Video Speed Up/Frame Loss (Stuart Howard)
2. Re: Recorded Video Speed Up/Frame Loss (tosiara)
----------------------------------------------------------------------
Message: 1
Date: Tue, 7 Mar 2017 19:45:52 +0000
From: Stuart Howard <[email protected]>
Subject: [Motion-user] Recorded Video Speed Up/Frame Loss
To: [email protected]
Message-ID:
<CADB1SQCjWsjBUc+b3Gm62SczNC=ot4gdwoylwpbk7dh2z86...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
Hi all,
I'm wondering if anyone can help me with a problem I have with recorded
video from Motion. My IP camera is capable of sending 25fps over an RTSP
stream, which I use Motion to capture. The problem is that the recorded
videos often (though not always) have segments which speed up rapidly
and/or drop frames, rendering them useless for security purposes. I've
uploaded two sample videos in a zip file which can be found at the
following URL:
https://drive.google.com/open?id=0B2FVaRjHavc5ZVp4enI3cjk5WGs
Video 1 was recorded with Motion. Note the time stamp in the top right
corner after 18:37:07.
Video 2 is the equivalent video recorded on board the camera itself. Note
how it doesn't speed up, doesn't lose any frames, and is generally much
smoother (e.g. the car passing in the background).
FFMpeg's analysis of the two videos is as follows:
Video 1:
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Video 1.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf56.40.101
Duration: 00:00:06.20, start: 0.010000, bitrate: 7552 kb/s
Stream #0:0(und): Video: h264 (Constrained Baseline) (avc1 /
0x31637661), yuv420p, 1280x720, 7546 kb/s, 77.23 fps, 23.42 tbr, 16k tbn,
48 tbc (default)
Metadata:
handler_name : VideoHandler
77fps ?!
Video 2:
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Video 2.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf55.33.100
Duration: 00:00:15.89, start: 0.001000, bitrate: 2190 kb/s
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p,
1280x720, 2116 kb/s, 25.06 fps, 25 tbr, 90k tbn, 180k tbc (default)
Metadata:
handler_name : VideoHandler
Stream #0:1(eng): Data: none (rtp / 0x20707472), 69 kb/s
Metadata:
handler_name : HintHandler
Unsupported codec with id 0 for input stream 1
The CPU isn't particularly taxed (quad core, which I've been monitoring
during idle and recording using htop), and the cores rarely go above about
55% utilisation, even during recording.
Incidentally, the live web stream from Motion does not suffer from this
problem (only the recordings) and is able to stream at something near to
the full frame rate I see when accessing it directly via the camera's own
web interface, however, even so I don't feel it's quite as smooth using
Motion as when accessing the camera directly.
The portions of my Motion config files which I think are relevant are as
follows:
rtsp_uses_tcp on
stream_maxrate 40
event_gap 10
ffmpeg_bps 5000000 (it does the same even at the default of 400000)
ffmpeg_video_codec mp4
ffmpeg_duplicate_frames true . (I've tried false)
use_extpipe off (I've also tried the external encoding with a variety of
similar results)
width 1280
height 720
netcam_url rtsp://192.168.0.7:554/live/ch0
netcam_keepalive on (I've tried off)
netcam_tolerant_check off (I've tried on)
threshold 11000
threshold_tune on
noise_level 20
noise_tune on
despeckle_filter EedDl
smart_mask_speed 0
lightswitch 50
pre_capture 0
post_capture 0
ffmpeg_output_movies on
Anyone know what I'm doing wrong here? Any help greatly appreciated.
Regards,
Stuart
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Message: 2
Date: Tue, 7 Mar 2017 22:01:04 +0200
From: tosiara <[email protected]>
Subject: Re: [Motion-user] Recorded Video Speed Up/Frame Loss
To: Motion discussion list <[email protected]>
Message-ID:
<CACHTdwQOgXhmjOVPEOMY=0ttg2qhjhsvvbaho-u-jrddfsm...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
What is motion version? There was a fix recently
On Mar 7, 2017 21:47, "Stuart Howard" <[email protected]> wrote:
> Hi all,
>
> I'm wondering if anyone can help me with a problem I have with recorded
> video from Motion. My IP camera is capable of sending 25fps over an RTSP
> stream, which I use Motion to capture. The problem is that the recorded
> videos often (though not always) have segments which speed up rapidly
> and/or drop frames, rendering them useless for security purposes. I've
> uploaded two sample videos in a zip file which can be found at the
> following URL:
>
> https://drive.google.com/open?id=0B2FVaRjHavc5ZVp4enI3cjk5WGs
>
> Video 1 was recorded with Motion. Note the time stamp in the top right
> corner after 18:37:07.
>
> Video 2 is the equivalent video recorded on board the camera itself. Note
> how it doesn't speed up, doesn't lose any frames, and is generally much
> smoother (e.g. the car passing in the background).
>
> FFMpeg's analysis of the two videos is as follows:
>
> Video 1:
>
> Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Video 1.mp4':
> Metadata:
> major_brand : isom
> minor_version : 512
> compatible_brands: isomiso2avc1mp41
> encoder : Lavf56.40.101
> Duration: 00:00:06.20, start: 0.010000, bitrate: 7552 kb/s
> Stream #0:0(und): Video: h264 (Constrained Baseline) (avc1 /
> 0x31637661), yuv420p, 1280x720, 7546 kb/s, 77.23 fps, 23.42 tbr, 16k tbn,
> 48 tbc (default)
> Metadata:
> handler_name : VideoHandler
>
>
> 77fps ?!
>
>
> Video 2:
>
> Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Video 2.mp4':
> Metadata:
> major_brand : isom
> minor_version : 512
> compatible_brands: isomiso2avc1mp41
> encoder : Lavf55.33.100
> Duration: 00:00:15.89, start: 0.001000, bitrate: 2190 kb/s
> Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p,
> 1280x720, 2116 kb/s, 25.06 fps, 25 tbr, 90k tbn, 180k tbc (default)
> Metadata:
> handler_name : VideoHandler
> Stream #0:1(eng): Data: none (rtp / 0x20707472), 69 kb/s
> Metadata:
> handler_name : HintHandler
> Unsupported codec with id 0 for input stream 1
>
> The CPU isn't particularly taxed (quad core, which I've been monitoring
> during idle and recording using htop), and the cores rarely go above about
> 55% utilisation, even during recording.
>
> Incidentally, the live web stream from Motion does not suffer from this
> problem (only the recordings) and is able to stream at something near to
> the full frame rate I see when accessing it directly via the camera's own
> web interface, however, even so I don't feel it's quite as smooth using
> Motion as when accessing the camera directly.
>
> The portions of my Motion config files which I think are relevant are as
> follows:
>
> rtsp_uses_tcp on
> stream_maxrate 40
> event_gap 10
> ffmpeg_bps 5000000 (it does the same even at the default of 400000)
> ffmpeg_video_codec mp4
> ffmpeg_duplicate_frames true . (I've tried false)
> use_extpipe off (I've also tried the external encoding with a variety of
> similar results)
> width 1280
> height 720
> netcam_url rtsp://192.168.0.7:554/live/ch0
> netcam_keepalive on (I've tried off)
> netcam_tolerant_check off (I've tried on)
> threshold 11000
> threshold_tune on
> noise_level 20
> noise_tune on
> despeckle_filter EedDl
> smart_mask_speed 0
> lightswitch 50
> pre_capture 0
> post_capture 0
> ffmpeg_output_movies on
>
> Anyone know what I'm doing wrong here? Any help greatly appreciated.
>
> Regards,
>
> Stuart
>
>
>
>
>
>
>
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Announcing the Oxford Dictionaries API! The API offers world-renowned
dictionary content that is easy and intuitive to access. Sign up for an
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projects. Get started today and enter our developer competition.
http://sdm.link/oxford
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