[FFmpeg-trac] Memory leak with libvmaf filter
Nitish Prabhu
nitishsprabhu at gmail.com
Thu Nov 9 13:48:20 EET 2017
Problem: Huge memory leak is seen when using libvmaf filter.
Note: The command uses "-vframes 10" as I wanted to limit the log size.
Please run the command without "-vframes" and check the output of "top"
command to reproduce the issue.
Command to reproduce the issue:
ffmpeg started on 2017-11-09 at 17:08:39
Report written to "ffmpeg-20171109-170839.log"
Command line:
./ffmpeg -v 9 -loglevel 99 -report -f lavfi -i testsrc2 -f lavfi -i
testsrc2 -vframes 10 -lavfi "libvmaf=model_path=model/vmaf_v0.6.1.pkl" -f
null -
ffmpeg version N-88671-g7b7775a604-static https://johnvansickle.com/ffmpeg/
Copyright (c) 2000-2017 the FFmpeg developers
built with gcc 6.4.0 (Debian 6.4.0-9) 20171026
configuration: --enable-gpl --enable-version3 --enable-static
--disable-debug --disable-ffplay --disable-indev=sndio
--disable-outdev=sndio --cc=gcc-6 --enable-fontconfig --enable-frei0r
--enable-gnutls --enable-gray --enable-libfribidi --enable-libass
--enable-libvmaf --enable-libfreetype --enable-libmp3lame
--enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
--enable-librubberband --enable-librtmp --enable-libsoxr --enable-libspeex
--enable-libvorbis --enable-libopus --enable-libtheora --enable-libvidstab
--enable-libvo-amrwbenc --enable-libvpx --enable-libwebp --enable-libx264
--enable-libx265 --enable-libxvid --enable-libzimg
libavutil 56. 0.100 / 56. 0.100
libavcodec 58. 1.100 / 58. 1.100
libavformat 58. 2.100 / 58. 2.100
libavdevice 58. 0.100 / 58. 0.100
libavfilter 7. 0.101 / 7. 0.101
libswscale 5. 0.101 / 5. 0.101
libswresample 3. 0.101 / 3. 0.101
libpostproc 55. 0.100 / 55. 0.100
Splitting the commandline.
Reading option '-v' ... matched as option 'v' (set logging level) with
argument '9'.
Reading option '-loglevel' ... matched as option 'loglevel' (set logging
level) with argument '99'.
Reading option '-report' ... matched as option 'report' (generate a report)
with argument '1'.
Reading option '-f' ... matched as option 'f' (force format) with argument
'lavfi'.
Reading option '-i' ... matched as input url with argument 'testsrc2'.
Reading option '-f' ... matched as option 'f' (force format) with argument
'lavfi'.
Reading option '-i' ... matched as input url with argument 'testsrc2'.
Reading option '-vframes' ... matched as option 'vframes' (set the number
of video frames to output) with argument '10'.
Reading option '-lavfi' ... matched as option 'lavfi' (create a complex
filtergraph) with argument 'libvmaf=model_path=model/vmaf_v0.6.1.pkl'.
Reading option '-f' ... matched as option 'f' (force format) with argument
'null'.
Reading option '-' ... matched as output url.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option v (set logging level) with argument 9.
Applying option loglevel (set logging level) with argument 99.
Applying option report (generate a report) with argument 1.
Applying option lavfi (create a complex filtergraph) with argument
libvmaf=model_path=model/vmaf_v0.6.1.pkl.
Successfully parsed a group of options.
Parsing a group of options: input url testsrc2.
Applying option f (force format) with argument lavfi.
Successfully parsed a group of options.
Opening an input file: testsrc2.
detected 8 logical cores
[Parsed_testsrc2_0 @ 0x573e8c0] size:320x240 rate:25/1 duration:-1.000000
sar:1/1
[AVFilterGraph @ 0x573d360] query_formats: 2 queried, 1 merged, 0 already
done, 0 delayed
[lavfi @ 0x573c9c0] All info found
Input #0, lavfi, from 'testsrc2':
Duration: N/A, start: 0.000000, bitrate: N/A
Stream #0:0, 1, 1/25: Video: rawvideo, 1 reference frame (I420 /
0x30323449), yuv420p, 320x240 [SAR 1:1 DAR 4:3], 0/1, 25 tbr, 25 tbn, 25 tbc
Successfully opened the file.
Parsing a group of options: input url testsrc2.
Applying option f (force format) with argument lavfi.
Successfully parsed a group of options.
Opening an input file: testsrc2.
[Parsed_testsrc2_0 @ 0x577d200] size:320x240 rate:25/1 duration:-1.000000
sar:1/1
[AVFilterGraph @ 0x5740b40] query_formats: 2 queried, 1 merged, 0 already
done, 0 delayed
[lavfi @ 0x577b860] All info found
Input #1, lavfi, from 'testsrc2':
Duration: N/A, start: 0.000000, bitrate: N/A
Stream #1:0, 1, 1/25: Video: rawvideo, 1 reference frame (I420 /
0x30323449), yuv420p, 320x240 [SAR 1:1 DAR 4:3], 0/1, 25 tbr, 25 tbn, 25 tbc
Successfully opened the file.
[Parsed_libvmaf_0 @ 0x57baa60] Setting 'model_path' to value
'model/vmaf_v0.6.1.pkl'
Parsing a group of options: output url -.
Applying option vframes (set the number of video frames to output) with
argument 10.
Applying option f (force format) with argument null.
Successfully parsed a group of options.
Opening an output file: -.
Successfully opened the file.
Stream mapping:
Stream #0:0 (rawvideo) -> libvmaf:main
Stream #1:0 (rawvideo) -> libvmaf:reference
libvmaf -> Stream #0:0 (wrapped_avframe)
Press [q] to stop, [?] for help
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[rawvideo @ 0x5740700] PACKET SIZE: 115200, STRIDE: 480
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[rawvideo @ 0x57b96e0] PACKET SIZE: 115200, STRIDE: 480
[Parsed_libvmaf_0 @ 0x57bffc0] Setting 'model_path' to value
'model/vmaf_v0.6.1.pkl'
[graph 0 input from stream 0:0 @ 0x57c0c80] Setting 'video_size' to value
'320x240'
[graph 0 input from stream 0:0 @ 0x57c0c80] Setting 'pix_fmt' to value '0'
[graph 0 input from stream 0:0 @ 0x57c0c80] Setting 'time_base' to value
'1/25'
[graph 0 input from stream 0:0 @ 0x57c0c80] Setting 'pixel_aspect' to value
'1/1'
[graph 0 input from stream 0:0 @ 0x57c0c80] Setting 'sws_param' to value
'flags=2'
[graph 0 input from stream 0:0 @ 0x57c0c80] Setting 'frame_rate' to value
'25/1'
[graph 0 input from stream 0:0 @ 0x57c0c80] w:320 h:240 pixfmt:yuv420p
tb:1/25 fr:25/1 sar:1/1 sws_param:flags=2
[graph 0 input from stream 1:0 @ 0x57c19c0] Setting 'video_size' to value
'320x240'
[graph 0 input from stream 1:0 @ 0x57c19c0] Setting 'pix_fmt' to value '0'
[graph 0 input from stream 1:0 @ 0x57c19c0] Setting 'time_base' to value
'1/25'
[graph 0 input from stream 1:0 @ 0x57c19c0] Setting 'pixel_aspect' to value
'1/1'
[graph 0 input from stream 1:0 @ 0x57c19c0] Setting 'sws_param' to value
'flags=2'
[graph 0 input from stream 1:0 @ 0x57c19c0] Setting 'frame_rate' to value
'25/1'
[graph 0 input from stream 1:0 @ 0x57c19c0] w:320 h:240 pixfmt:yuv420p
tb:1/25 fr:25/1 sar:1/1 sws_param:flags=2
[AVFilterGraph @ 0x57bf2e0] query_formats: 4 queried, 3 merged, 0 already
done, 0 delayed
[Parsed_libvmaf_0 @ 0x57bffc0] [framesync @ 0x57c00c8] Selected 1/25 time
base
[Parsed_libvmaf_0 @ 0x57bffc0] [framesync @ 0x57c00c8] Sync level 2
Output #0, null, to 'pipe:':
Metadata:
encoder : Lavf58.2.100
Stream #0:0, 0, 1/25: Video: wrapped_avframe, 1 reference frame,
yuv420p, 320x240 [SAR 1:1 DAR 4:3], 0/1, q=2-31, 200 kb/s, 25 fps, 25 tbn,
25 tbc (default)
Metadata:
encoder : Lavc58.1.100 wrapped_avframe
[rawvideo @ 0x5740700] PACKET SIZE: 115200, STRIDE: 480
[rawvideo @ 0x57b96e0] PACKET SIZE: 115200, STRIDE: 480
[rawvideo @ 0x5740700] PACKET SIZE: 115200, STRIDE: 480
[rawvideo @ 0x57b96e0] PACKET SIZE: 115200, STRIDE: 480
[rawvideo @ 0x5740700] PACKET SIZE: 115200, STRIDE: 480
[rawvideo @ 0x57b96e0] PACKET SIZE: 115200, STRIDE: 480
[rawvideo @ 0x5740700] PACKET SIZE: 115200, STRIDE: 480
[rawvideo @ 0x57b96e0] PACKET SIZE: 115200, STRIDE: 480
[rawvideo @ 0x5740700] PACKET SIZE: 115200, STRIDE: 480
[rawvideo @ 0x57b96e0] PACKET SIZE: 115200, STRIDE: 480
[rawvideo @ 0x5740700] PACKET SIZE: 115200, STRIDE: 480
[rawvideo @ 0x57b96e0] PACKET SIZE: 115200, STRIDE: 480
[rawvideo @ 0x5740700] PACKET SIZE: 115200, STRIDE: 480
[rawvideo @ 0x57b96e0] PACKET SIZE: 115200, STRIDE: 480
[rawvideo @ 0x5740700] PACKET SIZE: 115200, STRIDE: 480
[rawvideo @ 0x57b96e0] PACKET SIZE: 115200, STRIDE: 480
[rawvideo @ 0x5740700] PACKET SIZE: 115200, STRIDE: 480
[rawvideo @ 0x57b96e0] PACKET SIZE: 115200, STRIDE: 480
No more output streams to write to, finishing.
[Parsed_libvmaf_0 @ 0x57bffc0] [framesync @ 0x57c00c8] Sync level 1
[Parsed_libvmaf_0 @ 0x57bffc0] [framesync @ 0x57c00c8] Sync level 0
frame= 10 fps=0.0 q=-0.0 Lsize=N/A time=00:00:00.40 bitrate=N/A
speed=1.37x
video:5kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: unknown
Input file #0 (testsrc2):
Input stream #0:0 (video): 10 packets read (1152000 bytes); 10 frames
decoded;
Total: 10 packets (1152000 bytes) demuxed
Input file #1 (testsrc2):
Input stream #1:0 (video): 10 packets read (1152000 bytes); 10 frames
decoded;
Total: 10 packets (1152000 bytes) demuxed
Output file #0 (pipe:):
Output stream #0:0 (video): 10 frames encoded; 10 packets muxed (5280
bytes);
Total: 10 packets (5280 bytes) muxed
20 frames successfully decoded, 0 decoding errors
[libvmaf @ 0x57c00c0] VMAF score: 99.738520
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