Ffmpeg bus error on ARM.
Colin Mitchell
colin at colinrmitchell.endoftheinternet.org
Wed Jan 20 15:02:04 UTC 2016
Hello!
I'm not sure if this is the right place to ask or not, but I am having
trouble with multimedia/ffmpeg on FreeBSD 11 on a Raspberry Pi 2. I'm
getting a bus error every time I try to transcode a video file.
I installed FreeBSD on the Pi using the SD card image from the FreeBSD
website.
# uname -a
FreeBSD chickencam 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r293245: Thu Jan
7 07:21:53 UTC 2016
root at releng2.nyi.freebsd.org:/usr/obj/arm.armv6/usr/src/sys/RPI2 arm
I updated the ports tree as of yesterday evening. I built the port with
the following options:
===> The following configuration options are available for ffmpeg-2.8.5,1:
AACPLUS=on: AAC support via libaacplus
ALSA=off: ALSA audio architecture support
AMR_NB=off: AMR Narrow Band audio support (opencore)
AMR_WB=off: AMR Wide Band audio support (opencore)
ASS=off: Subtitles rendering via libass
BS2B=off: Bauer Stereophonic-to-Binaural filter
CACA=off: libcaca graphics library support
CDIO=off: Audio CD grabbing with libcdio
CELT=off: CELT audio codec support
DC1394=off: IIDC-1394 grabbing using libdc1394
DEBUG=on: Build with debugging support
DOCS=on: Build and/or install documentation
FAAC=off: FAAC AAC encoder support
FDK_AAC=off: AAC audio encoding via Fraunhofer FDK
FFSERVER=off: Build and install ffserver
FLITE=off: Voice synthesis support via libflite
FONTCONFIG=off: X11 font configuration support
FREETYPE=off: TrueType font rendering support
FREI0R=on: Frei0r video plugins support
FRIBIDI=off: Bidirectional text support via GNU FriBidi
GME=off: Game Music Emu demuxer
GSM=off: GSM codec support
ICONV=on: Encoding conversion support via iconv
ILBC=off: Internet Low Bit Rate codec
JACK=off: JACK audio server support
LADSPA=off: LADSPA audio plugins support
LAME=on: LAME MP3 audio encoder support
LIBBLURAY=off: Blu-ray discs support via libbluray
MODPLUG=off: ModPlug decoder support
NEON=on: Enable Media Processing Engine instructions
OPENAL=off: Audio support via OpenAL
OPENCL=off: Heterogeneous computing via OpenCL
OPENCV=off: Computer Vision support via OpenCV
OPENGL=off: 2D/3D rendering support via OpenGL
OPENH264=on: H.264 video codec support via OpenH264
OPENJPEG=off: Enhanced JPEG graphics support
OPTIMIZED_CFLAGS=on: Use extra compiler optimizations
OPUS=off: Opus audio codec support
PULSEAUDIO=off: PulseAudio sound server support
QUVI=off: Flash media stream URLs
RTCPU=on: Detect CPU capabilities at runtime
RTMP=off: RTMP protocol support via librtmp
SCHROEDINGER=on: Dirac video codec support via libschroedinger
SDL=off: Simple Direct Media Layer support
SMB=off: SMB network protocol support
SNAPPY=off: Snappy compression library support
SPEEX=off: Speex audio format support
SSH=off: SSH protocol support
THEORA=on: Ogg Theora video codec support
TWOLAME=off: TwoLAME MP2 audio encoder support
V4L=on: Video 4 Linux support
VAAPI=off: VAAPI (GPU video acceleration) support
VDPAU=off: VDPAU (GPU video acceleration) support
VFP=off: Enable Vector Floating Point instructions
VIDSTAB=off: Video stabilization filter
VORBIS=on: Ogg Vorbis audio codec support
VO_AACENC=off: AAC audio encoding via vo-aacenc
VO_AMRWBENC=off: AMR Wide Band encoding via vo-amrwbenc
VPX=on: VP8/VP9 video codec support
WAVPACK=off: WavPack lossless audio format support
WEBP=off: WebP image format support
X11GRAB=off: X11 grabbing (legacy)
X264=off: H.264 video codec support via x264
X265=off: H.265 video codec support via x265
XCB=off: X11 grabbing using XCB
XVID=on: Xvid MPEG-4 video codec support
XVIDEO=off: X11 Video extension library support
ZMQ=off: Message passing via libzmq4
ZVBI=off: Teletext support via libzvbi
====> Licensing options
GPL3=off: Allow (L)GPL version 3 code(cs)
NONFREE=on: Allow use of nonfree code
====> SSL protocol support: you have to select exactly one of them
GNUTLS=on: SSL/TLS support via GnuTLS
OPENSSL=off: SSL/TLS support via OpenSSL
===> Use 'make config' to modify these settings
This is the info I got from debugging with gdb:
# gdb ./ffmpeg
GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "armv6-marcel-freebsd"...
(gdb) run -i ~/Fury2.webm test.ogv
Starting program: /usr/ports/multimedia/ffmpeg/work/ffmpeg-2.8.5/ffmpeg -i
~/Fury2.webm test.ogv
[New LWP 100102]
ffmpeg version 2.8.5 Copyright (c) 2000-2016 the FFmpeg developers
built with FreeBSD clang version 3.7.1 (tags/RELEASE_371/final 255217)
20151225
configuration: --prefix=/usr/local --mandir=/usr/local/man
--datadir=/usr/local/share/ffmpeg
--pkgconfigdir=/usr/local/libdata/pkgconfig --enable-shared --enable-gpl
--enable-postproc --enable-avfilter --enable-avresample
--enable-pthreads --disable-libstagefright-h264 --disable-libutvideo
--disable-libsoxr --cc=cc --extra-cflags='-I/usr/local/include/vorbis
-I/usr/local/include' --extra-ldflags='-L/usr/local/lib '
--extra-libs=-lpthread --disable-fast-unaligned --enable-libaacplus
--disable-indev=alsa --disable-outdev=alsa --disable-libopencore-amrnb
--disable-libopencore-amrwb --disable-libass --disable-libbs2b
--disable-libcaca --disable-libcdio --disable-libcelt
--disable-libdc1394 --disable-stripping --enable-htmlpages
--disable-libfaac --disable-libfdk-aac --disable-ffserver
--disable-libflite --disable-fontconfig --disable-libfreetype
--enable-frei0r --disable-libfribidi --disable-libgme --disable-libgsm
--enable-iconv --disable-libilbc --disable-indev=jack --disable-ladspa
--enable-libmp3lame --disable-libbluray --disable-libmodplug
--enable-neon --cpu=armv7-a --disable-openal --disable-indev=openal
--disable-opencl --disable-libopencv --disable-opengl
--enable-libopenh264 --disable-libopenjpeg --disable-libopus
--disable-libpulse --disable-indev=pulse --disable-outdev=pulse
--disable-libquvi --enable-runtime-cpudetect --disable-librtmp
--enable-libschroedinger --disable-ffplay --disable-outdev=sdl
--disable-libsmbclient --disable-libsnappy --disable-libspeex
--disable-libssh --enable-libtheora --disable-libtwolame
--enable-libv4l2 --disable-vaapi --disable-vdpau --disable-vfp
--disable-libvidstab --enable-libvorbis --disable-libvo-aacenc
--disable-libvo-amrwbenc --enable-libvpx --disable-libwavpack
--disable-libwebp --disable-x11grab --disable-libx264 --disable-libx265
--disable-libxcb --enable-libxvid --disable-outdev=xv --disable-libzmq
--disable-libzvbi --enable-gnutls --disable-openssl --disable-version3
--enable-nonfree
libavutil 54. 31.100 / 54. 31.100
libavcodec 56. 60.100 / 56. 60.100
libavformat 56. 40.101 / 56. 40.101
libavdevice 56. 4.100 / 56. 4.100
libavfilter 5. 40.101 / 5. 40.101
libavresample 2. 1. 0 / 2. 1. 0
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 2.101 / 1. 2.101
libpostproc 53. 3.100 / 53. 3.100
Input #0, matroska,webm, from '/root/Fury2.webm':
Metadata:
encoder : Lavf56.36.100
Duration: 00:01:26.42, start: 0.000000, bitrate: 2140 kb/s
Stream #0:0: Video: vp8, yuv420p, 1440x1080, SAR 4:3 DAR 16:9, 25 fps,
25 tbr, 1k tbn, 1k tbc (default)
Stream #0:1: Audio: vorbis, 48000 Hz, stereo, fltp (default)
File 'test.ogv' already exists. Overwrite ? [y/N] y
Output #0, ogg, to 'test.ogv':
Metadata:
encoder : Lavf56.40.101
Stream #0:0: Video: theora (libtheora), yuv420p, 1440x1080 [SAR 4:3
DAR 16:9], q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc (default)
Metadata:
encoder : Lavc56.60.100 libtheora
Stream #0:1: Audio: vorbis (libvorbis), 48000 Hz, stereo, fltp (default)
Metadata:
encoder : Lavc56.60.100 libvorbis
Stream mapping:
Stream #0:0 -> #0:0 (vp8 (native) -> theora (libtheora))
Stream #0:1 -> #0:1 (vorbis (native) -> vorbis (libvorbis))
Press [q] to stop, [?] for help
[New Thread 22944300 (LWP 100345/ffmpeg)]
Program received signal SIGBUS, Bus error.
[Switching to Thread 22944300 (LWP 100345/ffmpeg)]
0x20a1f25c in $a.3 () at vp56_arith.h:50
50 __asm__ ("adds %3, %3, %0 \n"
Current language: auto; currently minimal
(gdb) bt
#0 0x20a1f25c in $a.3 () at vp56_arith.h:50
#1 0x00000000 in ?? ()
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