[FFmpeg-user] need assistance with combining two different calls

Ram Shaffir ram at ram.sh
Sat Dec 19 01:03:13 EET 2020


The root of the problem is with the v4l2 driver's buffer:

'Dequeued v4l2 buffer contains corrupted data (0 bytes).'

and it seems that the v4l2 doesn't clear its buffer as it should in some way that affects the video/audio; as a workaround, before every run of the ffmpeg need to execute the following to clear the buffer (from this link: https://trac.ffmpeg.org/ticket/4988?cversion=2&cnum_hist=1):

'sudo modprobe -v -r uvcvideo && sudo modprobe -v uvcvideo'

That sometimes "fix" the problem, and the video is captured correctly (not always). However, there's a huge memory leak, and in my case, the system kills the ffmpeg in less than a minute (running rpi 64bit with 8Gb memory), is there anything that can be done to fix this?

Thank you all.

the command I used:

sudo modprobe -v -r uvcvideo && sudo modprobe -v uvcvideo && /home/pi/FFmpeg/ffmpeg -y -re -nostdin -f alsa -thread_queue_size 16384 -i hw:CARD=C4K,DEV=0 -acodec aac -f v4l2 -threads auto -input_format yuyv422 -fflags +genpts -flags +global_header -thread_queue_size 16384 -i /dev/video0  -s 1280x720 -r 25 -vcodec h264_v4l2m2m -num_output_buffers 32 -num_capture_buffers 16 -keyint_min 25 -force_key_frames "expr:gte(t,n_forced*1)" -g 50 -b:v 6M -b:a 128K -pix_fmt nv12 -f mp4 -muxdelay 0 -muxpreload 0 -movflags +faststart /home/pi/Videos/output.mp4 -loglevel debug 

ffmpeg version ca55240 Copyright (c) 2000-2020 the FFmpeg developers
  built with gcc 8 (Debian 8.3.0-6)
  configuration: --prefix=/home/pi/ffmpeg_build --pkg-config-flags='pkg-config --static' --extra-cflags=-I/home/pi/ffmpeg_build/include --extra-ldflags=-L/home/pi/ffmpeg_build/lib --extra-libs='-lpthread -lm' --bindir=/home/pi/bin --enable-gpl --enable-gnutls --disable-libaom --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libvorbis --enable-libvpx --enable-libx264 --disable-libx265 --enable-nonfree --arch=aarch64 --disable-libxml2 --enable-libwebp --enable-libdrm
  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
Splitting the commandline.
Reading option '-y' ... matched as option 'y' (overwrite output files) with argument '1'.
Reading option '-re' ... matched as option 're' (read input at native frame rate) with argument '1'.
Reading option '-nostdin' ... matched as option 'stdin' (enable or disable interaction on standard input) with argument 0.
Reading option '-f' ... matched as option 'f' (force format) with argument 'alsa'.
Reading option '-thread_queue_size' ... matched as option 'thread_queue_size' (set the maximum number of queued packets from the demuxer) with argument '16384'.
Reading option '-i' ... matched as input url with argument 'hw:CARD=C4K,DEV=0'.
Reading option '-acodec' ... matched as option 'acodec' (force audio codec ('copy' to copy stream)) with argument 'aac'.
Reading option '-f' ... matched as option 'f' (force format) with argument 'v4l2'.
Reading option '-threads' ... matched as AVOption 'threads' with argument 'auto'.
Reading option '-input_format' ... matched as AVOption 'input_format' with argument 'yuyv422'.
Reading option '-fflags' ... matched as AVOption 'fflags' with argument '+genpts'.
Reading option '-flags' ... matched as AVOption 'flags' with argument '+global_header'.
Reading option '-thread_queue_size' ... matched as option 'thread_queue_size' (set the maximum number of queued packets from the demuxer) with argument '16384'.
Reading option '-i' ... matched as input url with argument '/dev/video0'.
Reading option '-s' ... matched as option 's' (set frame size (WxH or abbreviation)) with argument '1280x720'.
Reading option '-r' ... matched as option 'r' (set frame rate (Hz value, fraction or abbreviation)) with argument '25'.
Reading option '-vcodec' ... matched as option 'vcodec' (force video codec ('copy' to copy stream)) with argument 'h264_v4l2m2m'.
Reading option '-num_output_buffers' ... matched as AVOption 'num_output_buffers' with argument '32'.
Reading option '-num_capture_buffers' ... matched as AVOption 'num_capture_buffers' with argument '16'.
Reading option '-keyint_min' ... matched as AVOption 'keyint_min' with argument '25'.
Reading option '-force_key_frames' ... matched as option 'force_key_frames' (force key frames at specified timestamps) with argument 'expr:gte(t,n_forced*1)'.
Reading option '-g' ... matched as AVOption 'g' with argument '50'.
Reading option '-b:v' ... matched as option 'b' (video bitrate (please use -b:v)) with argument '6M'.
Reading option '-b:a' ... matched as option 'b' (video bitrate (please use -b:v)) with argument '128K'.
Reading option '-pix_fmt' ... matched as option 'pix_fmt' (set pixel format) with argument 'nv12'.
Reading option '-f' ... matched as option 'f' (force format) with argument 'mp4'.
Reading option '-muxdelay' ... matched as option 'muxdelay' (set the maximum demux-decode delay) with argument '0'.
Reading option '-muxpreload' ... matched as option 'muxpreload' (set the initial demux-decode delay) with argument '0'.
Reading option '-movflags' ... matched as AVOption 'movflags' with argument '+faststart'.
Reading option '/home/pi/Videos/output.mp4' ... matched as output url.
Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument 'debug'.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option y (overwrite output files) with argument 1.
Applying option nostdin (enable or disable interaction on standard input) with argument 0.
Applying option loglevel (set logging level) with argument debug.
Successfully parsed a group of options.
Parsing a group of options: input url hw:CARD=C4K,DEV=0.
Applying option re (read input at native frame rate) with argument 1.
Applying option f (force format) with argument alsa.
Applying option thread_queue_size (set the maximum number of queued packets from the demuxer) with argument 16384.
Successfully parsed a group of options.
Opening an input file: hw:CARD=C4K,DEV=0.
[alsa @ 0x559f412b60] All info found
Guessed Channel Layout for Input Stream #0.0 : stereo
Input #0, alsa, from 'hw:CARD=C4K,DEV=0':
  Duration: N/A, start: 1608330251.367914, bitrate: 1536 kb/s
    Stream #0:0, 1, 1/1000000: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
Successfully opened the file.
Parsing a group of options: input url /dev/video0.
Applying option acodec (force audio codec ('copy' to copy stream)) with argument aac.
Applying option f (force format) with argument v4l2.
Applying option thread_queue_size (set the maximum number of queued packets from the demuxer) with argument 16384.
Successfully parsed a group of options.
Opening an input file: /dev/video0.
[video4linux2,v4l2 @ 0x559f438960] fd:3 capabilities:84a00001
[video4linux2,v4l2 @ 0x559f438960] Current input_channel: 0, input_name: Input 1, input_std: 0
[video4linux2,v4l2 @ 0x559f438960] Querying the device for the current frame size
[video4linux2,v4l2 @ 0x559f438960] Setting frame size to 1920x1080
[video4linux2,v4l2 @ 0x559f438960] All info found
Input #1, video4linux2,v4l2, from '/dev/video0':
  Duration: N/A, start: 2095.914712, bitrate: 1988671 kb/s
    Stream #1:0, 1, 1/1000000: Video: rawvideo, 1 reference frame (YUY2 / 0x32595559), yuyv422, 1920x1080, 0/1, 1988671 kb/s, 59.94 fps, 59.94 tbr, 1000k tbn, 1000k tbc
Successfully opened the file.
Parsing a group of options: output url /home/pi/Videos/output.mp4.
Applying option s (set frame size (WxH or abbreviation)) with argument 1280x720.
Applying option r (set frame rate (Hz value, fraction or abbreviation)) with argument 25.
Applying option vcodec (force video codec ('copy' to copy stream)) with argument h264_v4l2m2m.
Applying option force_key_frames (force key frames at specified timestamps) with argument expr:gte(t,n_forced*1).
Applying option b:v (video bitrate (please use -b:v)) with argument 6M.
Applying option b:a (video bitrate (please use -b:v)) with argument 128K.
Applying option pix_fmt (set pixel format) with argument nv12.
Applying option f (force format) with argument mp4.
Applying option muxdelay (set the maximum demux-decode delay) with argument 0.
Applying option muxpreload (set the initial demux-decode delay) with argument 0.
Successfully parsed a group of options.
Opening an output file: /home/pi/Videos/output.mp4.
[file @ 0x559f432dd0] Setting default whitelist 'file,crypto,data'
Successfully opened the file.
Stream mapping:
  Stream #1:0 -> #0:0 (rawvideo (native) -> h264 (h264_v4l2m2m))
  Stream #0:0 -> #0:1 (pcm_s16le (native) -> aac (native))
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 518 times
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
detected 4 logical cores
[graph 0 input from stream 1:0 @ 0x559f43b6e0] Setting 'video_size' to value '1920x1080'
[graph 0 input from stream 1:0 @ 0x559f43b6e0] Setting 'pix_fmt' to value '1'
[graph 0 input from stream 1:0 @ 0x559f43b6e0] Setting 'time_base' to value '1/1000000'
[graph 0 input from stream 1:0 @ 0x559f43b6e0] Setting 'pixel_aspect' to value '0/1'
[graph 0 input from stream 1:0 @ 0x559f43b6e0] Setting 'frame_rate' to value '7013/117'
[graph 0 input from stream 1:0 @ 0x559f43b6e0] w:1920 h:1080 pixfmt:yuyv422 tb:1/1000000 fr:7013/117 sar:0/1
[scaler_out_0_0 @ 0x559f43b970] Setting 'w' to value '1280'
[scaler_out_0_0 @ 0x559f43b970] Setting 'h' to value '720'
[scaler_out_0_0 @ 0x559f43b970] Setting 'flags' to value 'bicubic'
[scaler_out_0_0 @ 0x559f43b970] w:1280 h:720 flags:'bicubic' interl:0
[format @ 0x559f43bec0] Setting 'pix_fmts' to value 'nv12'
[AVFilterGraph @ 0x559f42a880] query_formats: 5 queried, 4 merged, 0 already done, 0 delayed
[scaler_out_0_0 @ 0x559f43b970] w:1920 h:1080 fmt:yuyv422 sar:0/1 -> w:1280 h:720 fmt:nv12 sar:0/1 flags:0x4
[h264_v4l2m2m @ 0x559f430cd0] probing device /dev/video1
[h264_v4l2m2m @ 0x559f430cd0] driver 'uvcvideo' on card 'Cam Link 4K: Cam Link 4K' in splane mode
[h264_v4l2m2m @ 0x559f430cd0] v4l2 output format not supported
[h264_v4l2m2m @ 0x559f430cd0] probing device /dev/video0
[h264_v4l2m2m @ 0x559f430cd0] driver 'uvcvideo' on card 'Cam Link 4K: Cam Link 4K' in splane mode
[h264_v4l2m2m @ 0x559f430cd0] v4l2 output format not supported
[h264_v4l2m2m @ 0x559f430cd0] probing device /dev/video12
[h264_v4l2m2m @ 0x559f430cd0] driver 'bcm2835-codec' on card 'bcm2835-codec-isp' in mplane mode
[h264_v4l2m2m @ 0x559f430cd0] v4l2 capture format not supported
[h264_v4l2m2m @ 0x559f430cd0] probing device /dev/video11
[h264_v4l2m2m @ 0x559f430cd0] driver 'bcm2835-codec' on card 'bcm2835-codec-encode' in mplane mode
[h264_v4l2m2m @ 0x559f430cd0] Using device /dev/video11
[h264_v4l2m2m @ 0x559f430cd0] driver 'bcm2835-codec' on card 'bcm2835-codec-encode' in mplane mode
[h264_v4l2m2m @ 0x559f430cd0] requesting formats: output=NV12 capture=H264
[h264_v4l2m2m @ 0x559f430cd0] output: NV12 32 buffers initialized: 1280x0720, sizeimage 01382400, bytesperline 00001280
[h264_v4l2m2m @ 0x559f430cd0] capture: H264 16 buffers initialized: 1280x0720, sizeimage 00524288, bytesperline 00000000
[h264_v4l2m2m @ 0x559f430cd0] Failed to set number of B-frames: Invalid argument
[h264_v4l2m2m @ 0x559f430cd0] Failed to get number of B-frames
[h264_v4l2m2m @ 0x559f430cd0] Failed to set header mode: Invalid argument
[h264_v4l2m2m @ 0x559f430cd0] Encoder: bit rate = 6000000
[h264_v4l2m2m @ 0x559f430cd0] Failed to set frame level rate control: Invalid argument
[h264_v4l2m2m @ 0x559f430cd0] Failed to set gop size: Invalid argument
[h264_v4l2m2m @ 0x559f430cd0] Encoder: repeat parameter sets = 1
[h264_v4l2m2m @ 0x559f430cd0] Encoder Context: id (27), profile (-99), frame rate(25/1), number b-frames (0), gop size (50), bit rate (6000000), qmin (-1), qmax (-1)
[h264_v4l2m2m @ 0x559f430cd0] Failed to set minimum video quantizer scale: Invalid argument
[h264_v4l2m2m @ 0x559f430cd0] Failed to set maximum video quantizer scale: Invalid argument
Clipping frame in rate conversion by 0.000008
Forced keyframe at time 0.000000
[h264_v4l2m2m @ 0x559f430cd0] Encoder: force key frame = 0
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:1 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
[graph_1_in_0_0 @ 0x559f4d2130] Setting 'time_base' to value '1/48000'
[graph_1_in_0_0 @ 0x559f4d2130] Setting 'sample_rate' to value '48000'
[graph_1_in_0_0 @ 0x559f4d2130] Setting 'sample_fmt' to value 's16'
[graph_1_in_0_0 @ 0x559f4d2130] Setting 'channel_layout' to value '0x3'
[graph_1_in_0_0 @ 0x559f4d2130] tb:1/48000 samplefmt:s16 samplerate:48000 chlayout:0x3
[format_out_0_1 @ 0x559f4d26c0] Setting 'sample_fmts' to value 'fltp'
[format_out_0_1 @ 0x559f4d26c0] Setting 'sample_rates' to value '96000|88200|64000|48000|44100|32000|24000|22050|16000|12000|11025|8000|7350'
[format_out_0_1 @ 0x559f4d26c0] auto-inserting filter 'auto_resampler_0' between the filter 'Parsed_anull_0' and the filter 'format_out_0_1'
[AVFilterGraph @ 0x559f4d1770] query_formats: 4 queried, 6 merged, 3 already done, 0 delayed
[auto_resampler_0 @ 0x559f4d3300] [SWR @ 0x559f4d3450] Using s16p internally between filters
[auto_resampler_0 @ 0x559f4d3300] ch:2 chl:stereo fmt:s16 r:48000Hz -> ch:2 chl:stereo fmt:fltp r:48000Hz
Output #0, mp4, to '/home/pi/Videos/output.mp4':
  Metadata:
    encoder         : Lavf58.45.100
    Stream #0:0, 0, 1/12800: Video: h264 (h264_v4l2m2m), 1 reference frame (avc1 / 0x31637661), nv12(progressive), 1280x720, 0/1, q=-1--1, 6000 kb/s, 25 fps, 12800 tbn, 25 tbc
    Metadata:
      encoder         : Lavc58.91.100 h264_v4l2m2m
    Stream #0:1, 0, 1/48000: Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, delay 1024, 128 kb/s
    Metadata:
      encoder         : Lavc58.91.100 aac
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:1 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
cur_dts is invalid st:1 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 15 times
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 2 times
*** dropping frame 3 from stream 0 at ts 1
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 4 from stream 0 at ts 2
frame=    5 fps=0.0 q=-0.0 size=       0kB time=00:00:00.12 bitrate=   3.2kbits/s dup=0 drop=2 speed=0.236x    
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 5 from stream 0 at ts 3
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
*** dropping frame 5 from stream 0 at ts 3
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 6 from stream 0 at ts 4
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 7 from stream 0 at ts 5
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
*** dropping frame 7 from stream 0 at ts 5
frame=    8 fps=7.9 q=-0.0 size=       0kB time=00:00:00.25 bitrate=   1.5kbits/s dup=0 drop=7 speed=0.254x    
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 8 from stream 0 at ts 6
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 9 from stream 0 at ts 7
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 10 from stream 0 at ts 8
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
*** dropping frame 10 from stream 0 at ts 8
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 11 from stream 0 at ts 9
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 12 from stream 0 at ts 10
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
*** dropping frame 12 from stream 0 at ts 10
frame=   13 fps=8.5 q=-0.0 size=       0kB time=00:00:00.44 bitrate=   0.9kbits/s dup=0 drop=14 speed=0.289x    
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 13 from stream 0 at ts 11
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 14 from stream 0 at ts 12
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 15 from stream 0 at ts 13
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
*** dropping frame 15 from stream 0 at ts 13
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 16 from stream 0 at ts 14
frame=   17 fps=8.2 q=-0.0 size=       0kB time=00:00:00.60 bitrate=   0.6kbits/s dup=0 drop=19 speed=0.29x    
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 17 from stream 0 at ts 15
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
*** dropping frame 17 from stream 0 at ts 15
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 18 from stream 0 at ts 16
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 19 from stream 0 at ts 17
frame=   20 fps=7.7 q=-0.0 size=     256kB time=00:00:00.72 bitrate=2912.9kbits/s dup=0 drop=23 speed=0.279x    
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 20 from stream 0 at ts 18
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
*** dropping frame 20 from stream 0 at ts 18
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 21 from stream 0 at ts 19
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 22 from stream 0 at ts 20
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
*** dropping frame 22 from stream 0 at ts 20
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 23 from stream 0 at ts 21
frame=   24 fps=7.8 q=-0.0 size=     256kB time=00:00:00.88 bitrate=2383.4kbits/s dup=0 drop=29 speed=0.284x    
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 24 from stream 0 at ts 22
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 25 from stream 0 at ts 23
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
*** dropping frame 25 from stream 0 at ts 23
Forced keyframe at time 1.000000
[h264_v4l2m2m @ 0x559f430cd0] Encoder: force key frame = 0
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 26 from stream 0 at ts 24
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 27 from stream 0 at ts 25
frame=   27 fps=7.4 q=-0.0 size=     512kB time=00:00:01.02 bitrate=4093.5kbits/s dup=0 drop=34 speed=0.283x    
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
*** dropping frame 27 from stream 0 at ts 25
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 28 from stream 0 at ts 26
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 29 from stream 0 at ts 27
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 30 from stream 0 at ts 28
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
*** dropping frame 30 from stream 0 at ts 28
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 31 from stream 0 at ts 29
frame=   32 fps=7.7 q=-0.0 size=     512kB time=00:00:01.20 bitrate=3495.3kbits/s dup=0 drop=40 speed=0.287x    
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 32 from stream 0 at ts 30
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
*** dropping frame 32 from stream 0 at ts 30
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 33 from stream 0 at ts 31
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 34 from stream 0 at ts 32
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 35 from stream 0 at ts 33
frame=   35 fps=7.4 q=-0.0 size=     768kB time=00:00:01.34 bitrate=4679.1kbits/s dup=0 drop=45 speed=0.285x    
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
*** dropping frame 35 from stream 0 at ts 33
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
    Last message repeated 1 times
*** dropping frame 36 from stream 0 at ts 34
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
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*** dropping frame 37 from stream 0 at ts 35
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frame=   39 fps=7.4 q=-0.0 size=     768kB time=00:00:01.48 bitrate=4251.0kbits/s dup=0 drop=50 speed=0.28x    
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frame=   43 fps=7.4 q=-0.0 size=     768kB time=00:00:01.64 bitrate=3836.3kbits/s dup=0 drop=56 speed=0.282x    
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frame=   46 fps=7.3 q=-0.0 size=    1024kB time=00:00:01.76 bitrate=4766.3kbits/s dup=0 drop=60 speed=0.279x    
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frame=   50 fps=7.3 q=-0.0 size=    1024kB time=00:00:01.92 bitrate=4367.5kbits/s dup=0 drop=65 speed=0.279x    
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frame=   56 fps=7.1 q=-0.0 size=    1280kB time=00:00:02.17 bitrate=4817.1kbits/s dup=0 drop=74 speed=0.276x    
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frame=   60 fps=7.1 q=-0.0 size=    1280kB time=00:00:02.32 bitrate=4519.7kbits/s dup=0 drop=79 speed=0.275x    
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frame=   64 fps=7.1 q=-0.0 size=    1280kB time=00:00:02.48 bitrate=4228.2kbits/s dup=0 drop=85 speed=0.277x    
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frame=   83 fps=7.2 q=-0.0 size=    1792kB time=00:00:03.24 bitrate=4530.9kbits/s dup=0 drop=111 speed=0.279x    
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frame=  103 fps=7.3 q=-0.0 size=    2560kB time=00:00:04.04 bitrate=5191.0kbits/s dup=0 drop=139 speed=0.285x    
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frame=  110 fps=7.2 q=-0.0 size=    2560kB time=00:00:04.32 bitrate=4854.5kbits/s dup=0 drop=149 speed=0.283x    
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frame=  118 fps=7.2 q=-0.0 size=    2816kB time=00:00:04.64 bitrate=4971.7kbits/s dup=0 drop=160 speed=0.285x    
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frame=  130 fps=7.3 q=-0.0 size=    3072kB time=00:00:05.12 bitrate=4914.0kbits/s dup=0 drop=177 speed=0.286x    
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frame=  134 fps=7.3 q=-0.0 size=    3328kB time=00:00:05.31 bitrate=5131.2kbits/s dup=0 drop=183 speed=0.289x    
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frame=  138 fps=7.3 q=-0.0 size=    3328kB time=00:00:05.44 bitrate=5010.5kbits/s dup=0 drop=188 speed=0.287x    
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*** dropping frame 240 from stream 0 at ts 238
frame=  241 fps=7.3 q=-0.0 size=    5888kB time=00:00:09.56 bitrate=5045.4kbits/s dup=0 drop=332 speed=0.289x    
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
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frame=  244 fps=7.3 q=-0.0 size=    5888kB time=00:00:09.68 bitrate=4982.9kbits/s dup=0 drop=337 speed=0.288x    
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
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frame=  248 fps=7.3 q=-0.0 size=    6144kB time=00:00:09.84 bitrate=5115.0kbits/s dup=0 drop=342 speed=0.288x    
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Forced keyframe at time 10.000000
[h264_v4l2m2m @ 0x559f430cd0] Encoder: force key frame = 0
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frame=  252 fps=7.3 q=-0.0 size=    6144kB time=00:00:10.00 bitrate=5033.2kbits/s dup=0 drop=348 speed=0.288x    
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frame=  256 fps=7.3 q=-0.0 size=    6400kB time=00:00:10.16 bitrate=5160.3kbits/s dup=0 drop=353 speed=0.289x    
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frame=  259 fps=7.2 q=-0.0 size=    6400kB time=00:00:10.30 bitrate=5087.3kbits/s dup=0 drop=358 speed=0.288x    
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frame=  263 fps=7.3 q=-0.0 size=    6400kB time=00:00:10.44 bitrate=5021.9kbits/s dup=0 drop=363 speed=0.288x    
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frame=  267 fps=7.3 q=-0.0 size=    6656kB time=00:00:10.60 bitrate=5144.0kbits/s dup=0 drop=369 speed=0.288x    
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frame=  271 fps=7.3 q=-0.0 size=    6656kB time=00:00:10.76 bitrate=5067.5kbits/s dup=0 drop=374 speed=0.288x    
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frame=  274 fps=7.2 q=-0.0 size=    6656kB time=00:00:10.88 bitrate=5010.7kbits/s dup=0 drop=378 speed=0.288x    
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Forced keyframe at time 11.000000
[h264_v4l2m2m @ 0x559f430cd0] Encoder: force key frame = 0
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frame=  279 fps=7.3 q=-0.0 size=    6912kB time=00:00:11.08 bitrate=5110.4kbits/s dup=0 drop=385 speed=0.289x    
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frame=  282 fps=7.2 q=-0.0 size=    6912kB time=00:00:11.20 bitrate=5054.7kbits/s dup=0 drop=390 speed=0.288x    
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
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*** dropping frame 285 from stream 0 at ts 283
frame=  286 fps=7.2 q=-0.0 size=    6912kB time=00:00:11.36 bitrate=4984.4kbits/s dup=0 drop=395 speed=0.288x    
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*** dropping frame 286 from stream 0 at ts 284
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frame=  290 fps=7.2 q=-0.0 size=    7168kB time=00:00:11.52 bitrate=5096.4kbits/s dup=0 drop=401 speed=0.288x    
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frame=  293 fps=7.2 q=-0.0 size=    7168kB time=00:00:11.64 bitrate=5044.7kbits/s dup=0 drop=405 speed=0.287x    
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frame=  297 fps=7.2 q=-0.0 size=    7168kB time=00:00:11.80 bitrate=4976.3kbits/s dup=0 drop=411 speed=0.287x    
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
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*** dropping frame 299 from stream 0 at ts 297
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[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
frame=  300 fps=7.2 q=-0.0 size=    7424kB time=00:00:11.94 bitrate=5089.9kbits/s dup=0 drop=415 speed=0.288x    
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
*** dropping frame 300 from stream 0 at ts 298
Forced keyframe at time 12.000000
[h264_v4l2m2m @ 0x559f430cd0] Encoder: force key frame = 0
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
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*** dropping frame 301 from stream 0 at ts 299
[rawvideo @ 0x559f42f710] PACKET SIZE: 4147200, STRIDE: 3840
*** dropping frame 301 from stream 0 at ts 299


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