Hi, ffmpeg -f v4l2 -s 1920x1080 -v trace -r 5 -input_format h264 -i /dev/video0 -c:v copy /tmp/mounts/SD-P1/test.mp4 -y 1&> ffmpeg.log
see dmesg output here <https://docs.google.com/document/d/15J8RqzrAXmAEadqs2hMIPrD9-NaSvs1k28Ay1INYfNs/edit?usp=sharing> showing call trace ffmpeg.log: ffmpeg version 3.2.2 Copyright (c) 2000-2016 the FFmpeg developers built with gcc 5.4.0 (LEDE GCC 5.4.0 r3102-0224e32) configuration: --enable-cross-compile --cross-prefix=mipsel-openwrt-linux-musl- --arch=mipsel --target-os=linux --prefix=/usr --pkg-config=pkg-config --enable-shared --enable-static --enable-small --enable-pthreads --enable-zlib --disable-doc --disable-debug --enable-gpl --enable-version3 --disable-dxva2 --disable-lzma --disable-vaapi --disable-vda --disable-vdpau --disable-outdevs --disable-altivec --disable-vsx --disable-power8 --disable-amd3dnow --disable-amd3dnowext --disable-mmx --disable-mmxext --disable-sse --disable-sse2 --disable-sse3 --disable-ssse3 --disable-sse4 --disable-sse42 --disable-avx --disable-xop --disable-fma3 --disable-fma4 --disable-avx2 --disable-aesni --disable-armv5te --disable-armv6 --disable-armv6t2 --disable-inline-asm --disable-mipsdsp --disable-mipsdspr2 --disable-mipsfpu --disable-msa --disable-mmi --disable-fast-unaligned --disable-runtime-cpudetect --disable-yasm --enable-libopus --enable-decoder=libopus --enable-libx264 --enable-libmp3lame libavutil 55. 34.100 / 55. 34.100 libavcodec 57. 64.101 / 57. 64.101 libavformat 57. 56.100 / 57. 56.100 libavdevice 57. 1.100 / 57. 1.100 libavfilter 6. 65.100 / 6. 65.100 libswscale 4. 2.100 / 4. 2.100 libswresample 2. 3.100 / 2. 3.100 libpostproc 54. 1.100 / 54. 1.100 Splitting the commandline. Reading option '-f' ... matched as option 'f' (force format) with argument 'v4l2'. Reading option '-s' ... matched as option 's' (set frame size (WxH or abbreviation)) with argument '1920x1080'. Reading option '-v' ... matched as option 'v' (set logging level) with argument 'trace'. Reading option '-r' ... matched as option 'r' (set frame rate (Hz value, fraction or abbreviation)) with argument '5'. Reading option '-input_format' ... matched as AVOption 'input_format' with argument 'h264'. Reading option '-i' ... matched as input url with argument '/dev/video0'. Reading option '-c:v' ... matched as option 'c' (codec name) with argument 'copy'. Reading option '/tmp/mounts/SD-P1/test.mp4' ... matched as output url. Reading option '-y' ... matched as option 'y' (overwrite output files) with argument '1'. Finished splitting the commandline. Parsing a group of options: global . Applying option v (set logging level) with argument trace. Applying option y (overwrite output files) with argument 1. Successfully parsed a group of options. Parsing a group of options: input url /dev/video0. Applying option f (force format) with argument v4l2. Applying option s (set frame size (WxH or abbreviation)) with argument 1920x1080. Applying option r (set frame rate (Hz value, fraction or abbreviation)) with argument 5. Successfully parsed a group of options. Opening an input file: /dev/video0. [video4linux2,v4l2 @ 0x761248b0] fd:3 capabilities:84200001 [video4linux2,v4l2 @ 0x761248b0] Current input_channel: 0, input_name: Camera 1, input_std: 0 [video4linux2,v4l2 @ 0x761248b0] Setting time per frame to 1/5 Killed Thanks, Tom [image: Kamahi Electronics] *Tom Holmes* ELECTRONICS ENGINEER [email protected] +64 3 481 1884 kamahi.com On Sun, Jul 1, 2018 at 8:37 AM Carl Eugen Hoyos <[email protected]> wrote: > 2018-06-30 22:20 GMT+02:00, Tom Holmes <[email protected]>: > > > I'm trying to copy an H264 1920x1080 video only stream > > from a USB camera and save to microSD using an > > OpenWRT based MT7688 SoC Microprocessor (Onion > > Omega2+ 128MB RAM). This works fine for up to > > 1280x720 (roughly 2.9Mb/s) but when I increase > > resolution the os kills ffmpeg due to RAM. > > Please provide the command line you tested together > with the complete, uncut console output. > > Carl Eugen > _______________________________________________ > ffmpeg-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe". _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
