New Image

[ingo]

Thanks, but is unchanged:

[NULL @ 0x487a40] Unable to find a suitable output format for 'savedstream.mp4'
savedstream.mp4: Invalid argument

Maybe it depends on the version of ffmpeg?

Spoiler: 

hdmu 4 azboxhd

azboxhd login: root
Password:
Last login: Wed Nov 16 21:00:23 MSK 2016 on pts/0
HDMU 16117
Git 2711

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+++++++++++++++++: System Data :+++++++++++++++++++
+ Box = azboxhd
+ HDMU Rev = 16117
+ GIT Rev = 2711
+ Hostname = azboxhd
+ Kernel = 3.3.1-opensat
+ Uptime = 21:01:50 up 6:46, load average: 0.24, 0.24, 0.23
+ CPU = MIPS 4KEc V6.9
+Memory Total = 101784 kB
+ Memory Free = 7664 kB

root@azboxhd:~# ffmpeg -?
ffmpeg version 3.2 Copyright (c) 2000-2016 the FFmpeg developers
built with gcc 6.2.0 (GCC)
configuration: --disable-stripping --enable-pic --enable-shared --enable-pthreads --enable-nonfree --cross-prefix=mipsel-oe-linux- --ld='mipsel-oe-linux-gcc -mel -mabi=32 -mhard-float -march=mips32 --sysroot=/home/bonkel/hdmusystemmips/build/tmp/sysroots/azboxhd' --cc='mipsel-oe-linux-gcc -mel -mabi=32 -mhard-float -march=mips32 --sysroot=/home/bonkel/hdmusystemmips/build/tmp/sysroots/azboxhd' --cxx='mipsel-oe-linux-g++ -mel -mabi=32 -mhard-float -march=mips32 --sysroot=/home/bonkel/hdmusystemmips/build/tmp/sysroots/azboxhd' --arch=mipsel --target-os=linux --enable-cross-compile --extra-cflags='-Os -pipe -g -feliminate-unused-debug-types -fdebug-prefix-map=/home/bonkel/hdmusystemmips/build/tmp/work/mips32el-oe-linux/ffmpeg/3.2-r8=/usr/src/debug/ffmpeg/3.2-r8 -fdebug-prefix-map=/home/bonkel/hdmusystemmips/build/tmp/sysroots/x86_64-linux= -fdebug-prefix-map=/home/bonkel/hdmusystemmips/build/tmp/sysroots/azboxhd= -mel -mabi=32 -mhard-float -march=mips32 --sysroot=/home/bonkel/hdmusystemmips/build/tmp/sysroots/azboxhd' --extra-ldflags='-Wl,-O1 -Wl,--as-needed' --sysroot=/home/bonkel/hdmusystemmips/build/tmp/sysroots/azboxhd --enable-hardcoded-tables --disable-static --disable-runtime-cpudetect --disable-ffserver --disable-ffplay --enable-ffprobe --disable-iconv --disable-postproc --disable-doc --disable-altivec --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-armv5te --disable-armv6 --disable-armv6t2 --disable-vfp --disable-neon --disable-inline-asm --disable-yasm --disable-fast-unaligned --disable-muxers --enable-muxer=mpeg1video --enable-encoders --enable-encoder=mpeg1video --enable-encoder=png --disable-decoders --enable-decoder=alac --enable-decoder=ape --enable-decoder=atrac1 --enable-decoder=atrac3 --enable-decoder=atrac3p --enable-decoder=cook --enable-decoder=dsd_lsbf --enable-decoder=dsd_lsbf_planar --enable-decoder=dsd_msbf --enable-decoder=dsd_msbf_planar --enable-decoder=eac3 --enable-decoder=evrc --enable-decoder=h264 --enable-decoder=iac --enable-decoder=imc --enable-decoder=mace3 --enable-decoder=mace6 --enable-decoder=metasound --enable-decoder=mjpeg --enable-decoder=mlp --enable-decoder=mp1 --enable-decoder=mp3adu --enable-decoder=mp3on4 --enable-decoder=mpeg1video --enable-decoder=nellymoser --enable-decoder=pcm_alaw --enable-decoder=pcm_bluray --enable-decoder=pcm_dvd --enable-decoder=pcm_f32be --enable-decoder=pcm_f32le --enable-decoder=pcm_f64be --enable-decoder=pcm_f64le --enable-decoder=pcm_lxf --enable-decoder=pcm_mulaw --enable-decoder=pcm_s16be --enable-decoder=pcm_s16be_planar --enable-decoder=pcm_s16le --enable-decoder=pcm_s16le_planar --enable-decoder=pcm_s24be --enable-decoder=pcm_s24daud --enable-decoder=pcm_s24le --enable-decoder=pcm_s24le_planar --enable-decoder=pcm_s32be --enable-decoder=pcm_s32le --enable-decoder=pcm_s32le_planar --enable-decoder=pcm_s8 --enable-decoder=pcm_s8_planar --enable-decoder=pcm_u16be --enable-decoder=pcm_u16le --enable-decoder=pcm_u24be --enable-decoder=pcm_u24le --enable-decoder=pcm_u32be --enable-decoder=pcm_u32le --enable-decoder=pcm_u8 --enable-decoder=pcm_zork --enable-decoder=ra_144 --enable-decoder=ra_288 --enable-decoder=ralf --enable-decoder=s302m --enable-decoder=shorten --enable-decoder=sipr --enable-decoder=sonic --enable-decoder=tak --enable-decoder=truehd --enable-decoder=truespeech --enable-decoder=tta --enable-decoder=wmalossless --enable-decoder=wmapro --enable-decoder=wmav1 --enable-decoder=wmav2 --enable-decoder=wmavoice --enable-decoder=aac --enable-decoder=aac_latm --enable-decoder=adpcm_ct --enable-decoder=adpcm_g722 --enable-decoder=adpcm_g726 --enable-decoder=adpcm_g726le --enable-decoder=adpcm_ima_amv --enable-decoder=adpcm_ima_oki --enable-decoder=adpcm_ima_qt --enable-decoder=adpcm_ima_rad --enable-decoder=adpcm_ima_wav --enable-decoder=adpcm_ms --enable-decoder=adpcm_sbpro_2 --enable-decoder=adpcm_sbpro_3 --enable-decoder=adpcm_sbpro_4 --enable-decoder=adpcm_swf --enable-decoder=adpcm_yamaha --enable-decoder=flac --enable-decoder=g723_1 --enable-decoder=g729 --enable-decoder=opus --enable-decoder=png --enable-decoder=qcelp --enable-decoder=qdm2 --enable-decoder=vorbis --enable-decoder=wavpack --disable-demuxer=adp --disable-demuxer=adx --disable-demuxer=afc --disable-demuxer=anm --disable-demuxer=apc --disable-demuxer=apng --disable-demuxer=ast --disable-demuxer=avs --disable-demuxer=bethsoftvid --disable-demuxer=bfi --disable-demuxer=bink --disable-demuxer=bmv --disable-demuxer=brstm --disable-demuxer=c93 --disable-demuxer=cdg --disable-demuxer=dnxhd --disable-demuxer=dsicin --disable-demuxer=dfa --disable-demuxer=dxa --disable-demuxer=ea --disable-demuxer=ea_cdata --disable-demuxer=frm --disable-demuxer=gif --disable-demuxer=gsm --disable-demuxer=gxf --disable-demuxer=hnm --disable-demuxer=ico --disable-demuxer=ilbc --disable-demuxer=iss --disable-demuxer=jv --disable-demuxer=mm --disable-demuxer=paf --disable-demuxer=pva --disable-demuxer=qcp --disable-demuxer=redspark --disable-demuxer=rl2 --disable-demuxer=roq --disable-demuxer=rsd --disable-demuxer=rso --disable-demuxer=siff --disable-demuxer=smjpeg --disable-demuxer=smush --disable-demuxer=sol --disable-demuxer=thp --disable-demuxer=tiertexseq --disable-demuxer=tmv --disable-demuxer=tty --disable-demuxer=txd --disable-demuxer=vqf --disable-demuxer=wsaud --disable-demuxer=wsvqa --disable-demuxer=xa --disable-demuxer=xbin --disable-demuxer=yop --enable-demuxer=image2 --disable-demuxer=image2pipe --disable-demuxer=ingenient --disable-demuxer=image_bmp_pipe --disable-demuxer=image_dds_pipe --disable-demuxer=image_dpx_pipe --disable-demuxer=image_exr_pipe --disable-demuxer=image_j2k_pipe --disable-demuxer=image_jpegls_pipe --disable-demuxer=image_pictor_pipe --disable-demuxer=image_png_pipe --disable-demuxer=image_qdraw_pipe --disable-demuxer=image_sgi_pipe --disable-demuxer=image_sunrast_pipe --disable-demuxer=image_tiff_pipe --disable-demuxer=image_webp_pipe --disable-demuxer=image_jpeg_pipe --disable-filters --enable-filter=scale --disable-protocol=data --disable-protocol=icecast --disable-protocol=md5 --disable-protocol=pipe --disable-protocol=unix --disable-mips32r2 --disable-mipsdsp --disable-mipsdspr2 --disable-indevs --disable-outdevs --enable-bzlib --disable-zlib --disable-bsfs --enable-libbluray --enable-protocol=bluray --pkg-config=pkg-config --disable-debug --extra-cflags='-Os -pipe -g -feliminate-unused-debug-types -fdebug-prefix-map=/home/bonkel/hdmusystemmips/build/tmp/work/mips32el-oe-linux/ffmpeg/3.2-r8=/usr/src/debug/ffmpeg/3.2-r8 -fdebug-prefix-map=/home/bonkel/hdmusystemmips/build/tmp/sysroots/x86_64-linux= -fdebug-prefix-map=/home/bonkel/hdmusystemmips/build/tmp/sysroots/azboxhd= -mel -mabi=32 -mhard-float -march=mips32 --sysroot=/home/bonkel/hdmusystemmips/build/tmp/sysroots/azboxhd -ffunction-sections -fdata-sections -fno-aggressive-loop-optimizations' --extra-ldflags='-Wl,-O1 -Wl,--as-needed,--gc-sections -Wl,--print-gc-sections,-lrt' --prefix=/usr --libdir=/usr/lib --shlibdir=/usr/lib --datadir=/usr/share/ffmpeg --enable-avcodec --enable-avdevice --enable-avfilter --enable-avformat --disable-avresample --enable-bzlib --disable-gpl --disable-libgsm --disable-indev=jack --disable-libvorbis --disable-lzma --disable-libmp3lame --enable-openssl --disable-postproc --disable-libschroedinger --disable-libspeex --enable-swresample --enable-swscale --disable-libtheora --disable-vaapi --disable-libvpx --disable-x11grab --disable-libx264 --disable-outdev=xv
libavutil 55. 34.100 / 55. 34.100
libavcodec 57. 64.100 / 57. 64.100
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
Hyper fast Audio and Video encoder
usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...

Getting help:
-h -- print basic options
-h long -- print more options
-h full -- print all options (including all format and codec specific options, very long)
-h type=name -- print all options for the named decoder/encoder/demuxer/muxer/filter
See man ffmpeg for detailed description of the options.

Print help / information / capabilities:
-L show license
-h topic show help
-? topic show help
-help topic show help
--help topic show help
-version show version
-buildconf show build configuration
-formats show available formats
-devices show available devices
-codecs show available codecs
-decoders show available decoders
-encoders show available encoders
-bsfs show available bit stream filters
-protocols show available protocols
-filters show available filters
-pix_fmts show available pixel formats
-layouts show standard channel layouts
-sample_fmts show available audio sample formats
-colors show available color names
-sources device list sources of the input device
-sinks device list sinks of the output device
-hwaccels show available HW acceleration methods

Global options (affect whole program instead of just one file:
-loglevel loglevel set logging level
-v loglevel set logging level
-report generate a report
-max_alloc bytes set maximum size of a single allocated block
-y overwrite output files
-n never overwrite output files
-ignore_unknown Ignore unknown stream types
-stats print progress report during encoding
-max_error_rate ratio of errors (0.0: no errors, 1.0: 100% error maximum error rate
-bits_per_raw_sample number set the number of bits per raw sample
-vol volume change audio volume (256=normal)

Per-file main options:
-f fmt force format
-c codec codec name
-codec codec codec name
-pre preset preset name
-map_metadata outfile[,metadata]:infile[,metadata] set metadata information of outfile from infile
-t duration record or transcode "duration" seconds of audio/video
-to time_stop record or transcode stop time
-fs limit_size set the limit file size in bytes
-ss time_off set the start time offset
-sseof time_off set the start time offset relative to EOF
-seek_timestamp enable/disable seeking by timestamp with -ss
-timestamp time set the recording timestamp ('now' to set the current time)
-metadata string=string add metadata
-program title=string:st=number... add program with specified streams
-target type specify target file type ("vcd", "svcd", "dvd", "dv" or "dv50" with optional prefixes "pal-", "ntsc-" or "film-")
-apad audio pad
-frames number set the number of frames to output
-filter filter_graph set stream filtergraph
-filter_script filename read stream filtergraph description from a file
-reinit_filter reinit filtergraph on input parameter changes
-discard discard
-disposition disposition

Video options:
-vframes number set the number of video frames to output
-r rate set frame rate (Hz value, fraction or abbreviation)
-s size set frame size (WxH or abbreviation)
-aspect aspect set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)
-bits_per_raw_sample number set the number of bits per raw sample
-vn disable video
-vcodec codec force video codec ('copy' to copy stream)
-timecode hh:mm:ss[:;.]ff set initial TimeCode value.
-pass n select the pass number (1 to 3)
-vf filter_graph set video filters
-ab bitrate audio bitrate (please use -b:a)
-b bitrate video bitrate (please use -b:v)
-dn disable data

Audio options:
-aframes number set the number of audio frames to output
-aq quality set audio quality (codec-specific)
-ar rate set audio sampling rate (in Hz)
-ac channels set number of audio channels
-an disable audio
-acodec codec force audio codec ('copy' to copy stream)
-vol volume change audio volume (256=normal)
-af filter_graph set audio filters

Subtitle options:
-s size set frame size (WxH or abbreviation)
-sn disable subtitle
-scodec codec force subtitle codec ('copy' to copy stream)
-stag fourcc/tag force subtitle tag/fourcc
-fix_sub_duration fix subtitles duration
-canvas_size size set canvas size (WxH or abbreviation)
-spre preset set the subtitle options to the indicated preset


root@azboxhd:~#