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• Dreamcast SD Adapter and DreamShell

  31 décembre 2014, par Multimedia Mike — Sega Dreamcast

  Nope ! I’m never going to let go of the Sega Dreamcast hacking. When I was playing around with Dreamcast hacking early last year, I became aware that there is such a thing as an SD card adapter for the DC that plugs into the port normally reserved for the odd DC link cable. Of course I wanted to see what I could do with it.

  The primary software that leverages the DC SD adapter is called DreamShell. Working with this adapter and the software requires some skill and guesswork. Searching for these topics tends to turn up results from various forums where people are trying to cargo-cult their way to solutions. I have a strange feeling that this post might become the unofficial English-language documentation on the matter.

  Use Cases
  What can you do with this thing ? Undoubtedly, the primary use is for backing up (ripping) the contents of GD-ROMs (the custom optical format used for the DC) and playing those backed up (ripped) copies. Presumably, users of this device leverage the latter use case more than the former, i.e., download ripped games, load them on the SD card, and launch them using DreamShell.

  However, there are other uses such as multimedia playback, system exploration, BIOS reprogramming, high-level programming, and probably a few other things I haven’t figured out yet.

  Delivery
  I put in an order via the dc-sd.com website and in about 2 short months, the item arrived from China. This marked my third lifetime delivery from China and curiously, all 3 of the shipments have pertained to the Sega Dreamcast.

  
  

  

  Click for larger image

  
  

  I thought it was very interesting that this adapter came in such complete packaging. The text is all in Chinese, though the back states “Windows 98 / ME / 2000 / XP, Mac OS 9.1, LINUX2.4”. That’s what tipped me off that they must have just cannibalized some old USB SD card readers and packaging in order to create these. Closer inspection of the internals through the translucent pink case confirms this.

  Usage
  According to its change log, DreamShell has been around for a long time with version 1.0.0 released in February of 2004. The current version is 4.0.0 RC3. There are several downloads available :

  1. DreamShell 4.0 RC 3 CDI Image
  2. DreamShell 4.0 RC 3 + Boot Loader
  3. DreamShell 4.0 RC 3 + Core CDI image

  Option #2 worked for me. It contains a CDI disc image and the DreamShell files in a directory named DS/.

  Burn the CDI to a CD-R in the normal way you would burn a bootable Dreamcast disc from a CDI image. This is open-ended and left as an exercise to the reader, since there are many procedures depending on platform. On Linux, I used a small script I found once called burncdi-dc.sh.

  Then, copy the contents of the DS/ folder to an SD card. As for filesystem, FAT16 and FAT32 are both known to work. The files in DS/ should land in the root of the SD card ; the folder DS/ should not be in the root.

  Plug the SD card into the DC SD adapter and plug the adapter in the link cable port on the back of the Dreamcast. Then, boot the disc. If it works, you will see this minor corruption of the usual Sega licensing screen :

  
  
  

  Then, there will be a brief white-on-black text screen that explains the booting process :
  

  
  
  

  Then, there will be the main DreamShell logo :

  
  
  

  Finally, you will land on the DreamShell main desktop :

  
  
  

  Skepticism
  At first, I was supremely skeptical of the idea that this SD adapter could perform speedily enough to play games reasonably. This was predicated on the observation that my DC coder’s cable that I used to use for homebrew development could not transfer faster than 115200 bits/second, amounting to about 11 kbytes/sec. I assumed that this was a fundamental limitation of the link port.

  In fact, I ripped a few of my Dreamcast discs over a decade ago and still have those rips lying around. So I copied the ISO image of Resident Evil : Code Veronica — the game I personally played most on the DC — to the SD card (anywhere works) and used the “ISO loader” icon seen on the desktop above to launch the game.

  It works :

  
  
  

  The opening FMV plays at full speed. Everything loads as fast as I remember. I was quite surprised.

  Digression : My assumptions about serial speeds have often been mistaken. 10 years ago, I heard stories about how we would soon be able to watch streaming video on our cell phones. I scoffed because I thought the 56K limitation of dialup modems was some sort of fundamental speed-of-light type of limitation for telephony bandwidth, wired or wireless.

  The desktop menu also includes a ‘speedtest’ tool that profiles the write and read performance of your preferred storage medium. For my fastest SD card (a PNY 2 GB card) :

  
  
  

  This is probably more representative of the true adapter bandwidth as reading and writing is a good deal faster through more modern interfaces on PC and Mac with this same card.

  Look at the other options on the speedtest console. Hard drive ? Apparently, it’s possible, but it requires a good deal more hardware hacking than just purchasing this SD adapter.

  Ripping
  As you can see from the Resident Evil screenshot, playing games works quite nicely. How about ripping ? I’m pleased to say that DreamShell has a beautiful ripping interface :

  
  
  

  Enter a name for the disc (or read the disc label), select the storage medium, and let it, well, rip. It indicates which track it’s working on and the Sega logo acts as a progress bar, shading blue as the track rip progresses.

  I’m finally, efficiently, archiving that collection of Sega Dreamcast demo discs ; I’m hoping they’ll eventually find a home at the Internet Archive. How is overall ripping performance ? Usually about 38-40 minutes to rip a full 900-1000 MB. That certainly beats the 27-28 hours that were required when I performed the ripping at 11 kbytes/sec via the DC coders cable.

  All is well until I get a sector reading error :

  
  
  

  That’s when it can come in handy to have 3 DC consoles (see ?! not crazy !).

  Other Uses
  There’s a file explorer. You can browse the filesystem of the SD card, visual memory unit, or the CD portion of the GD-ROM (would be more useful if it accessed the GD area). There are FFmpeg files included. So I threw a random Cinepak file and random MPEG-1 file at it to see what happens. MPEG-1 didn’t do anything, but this Cinepak file from some Sierra game played handily :

  
  
  

  If you must enter strings, it helps to have a Dreamcast keyboard (which I do). Failing that, here’s a glimpse of the onscreen keyboard that DreamShell equips :

  
  
  

  Learning to use it is a game in itself.

  There is an option of installing DreamShell in the BIOS. I did not attempt this. I don’t know if it’s possible (not like there’s a lot of documentation)– perhaps a custom BIOS modchip is needed. But here’s what the screen looks like :

  
  
  

  There is also a plain console to interact with (better have a physical keyboard). There are numerous file manipulation commands and custom system interaction commands. I see one interesting command called ‘addr’ that looks useful for dumping memory regions to a file.

  A Lua language interpreter is also built in. I would love to play with this if I could ascertain whether DreamShell provided Dreamcast-specific APIs.

  Tips And Troubleshooting
  I have 3 Dreamcast consoles, affectionately named Terran, Protoss, and Zerg after the StarCraft II stickers with which they are adorned. Some seem to work better than others. Protoss seemed to be able to boot the DreamShell disc more reliably than the others. However, I was alarmed when it couldn’t boot one morning when it was churning the previous day.

  I think the problem is that it was just cold. That seemed to be the issue. I put in a normal GD-ROM and let it warm up on that disc for awhile and then DreamShell booted fine. So that’s my piece of cargo-culting troubleshooting advice.

• make : *** [ffmpeg_g] Error 1

  22 décembre 2014, par P C SAS3

  hi i am trying to install ffmpeg . i choose to do it from source because i am using a vps server so i did these steps i am using git command for getting source from github after compiling i got the below result

  #cd ~/ffmpeg_sources
  
  #git clone --depth 1 git://source.ffmpeg.org/ffmpeg
  
  #cd ffmpeg
  
  #PKG_CONFIG_PATH="$HOME/ffmpeg_build/lib/pkgconfig" ./configure --prefix="$HOME/ffmpeg_build" --extra-cflags="-I$HOME/ffmpeg_build/include" --extra-ldflags="-L$HOME/ffmpeg_build/lib" --bindir="$HOME/bin" --enable-gpl --enable-nonfree --enable-libfdk_aac --enable-libmp3lame --enable-libopus --enable-libvorbis --enable-libvpx --enable-libx264
  
  
  
  
  
  install prefix            /root/ffmpeg_build
  
  source path               .
  
  C compiler                gcc
  
  C library                 glibc
  
  ARCH                      x86 (generic)
  
  big-endian                no
  
  runtime cpu detection     yes
  
  yasm                      yes
  
  MMX enabled               yes
  
  MMXEXT enabled            yes
  
  3DNow! enabled            yes
  
  3DNow! extended enabled   yes
  
  SSE enabled               yes
  
  SSSE3 enabled             yes
  
  AVX enabled               yes
  
  XOP enabled               yes
  
  FMA3 enabled              yes
  
  FMA4 enabled              yes
  
  i686 features enabled     yes
  
  CMOV is fast              yes
  
  EBX available             yes
  
  EBP available             yes
  
  debug symbols             yes
  
  strip symbols             yes
  
  optimize for size         no
  
  optimizations             yes
  
  static                    yes
  
  shared                    no
  
  postprocessing support    yes
  
  new filter support        yes
  
  network support           yes
  
  threading support         pthreads
  
  safe bitstream reader     yes
  
  SDL support               no
  
  opencl enabled            no
  
  texi2html enabled         no
  
  perl enabled              yes
  
  pod2man enabled           yes
  
  makeinfo enabled          no
  
  makeinfo supports HTML    no
  
  
  
  External libraries:
  
  iconv            libopus            libx264
  
  libfdk_aac        libvorbis        zlib
  
  libmp3lame        libvpx
  
  
  
  Enabled decoders:
  
  aac            bfi            gsm
  
  aac_latm        bink            gsm_ms
  
  aasc            binkaudio_dct        h261
  
  ac3            binkaudio_rdft        h263
  
  ac3_fixed        bintext            h263i
  
  adpcm_4xm        bmp            h263p
  
  adpcm_adx        bmv_audio        h264
  
  adpcm_afc        bmv_video        hevc
  
  adpcm_ct        brender_pix        hnm4_video
  
  adpcm_dtk        c93            huffyuv
  
  adpcm_ea        cavs            iac
  
  adpcm_ea_maxis_xa    cdgraphics        idcin
  
  adpcm_ea_r1        cdxl            idf
  
  adpcm_ea_r2        cinepak            iff_byterun1
  
  adpcm_ea_r3        cljr            iff_ilbm
  
  adpcm_ea_xas        cllc            imc
  
  adpcm_g722        comfortnoise        indeo2
  
  adpcm_g726        cook            indeo3
  
  adpcm_g726le        cpia            indeo4
  
  adpcm_ima_amv        cscd            indeo5
  
  adpcm_ima_apc        cyuv            interplay_dpcm
  
  adpcm_ima_dk3        dca            interplay_video
  
  adpcm_ima_dk4        dfa            jacosub
  
  adpcm_ima_ea_eacs    dirac            jpeg2000
  
  adpcm_ima_ea_sead    dnxhd            jpegls
  
  adpcm_ima_iss        dpx            jv
  
  adpcm_ima_oki        dsd_lsbf        kgv1
  
  adpcm_ima_qt        dsd_lsbf_planar        kmvc
  
  adpcm_ima_rad        dsd_msbf        lagarith
  
  adpcm_ima_smjpeg    dsd_msbf_planar        libfdk_aac
  
  adpcm_ima_wav        dsicinaudio        libopus
  
  adpcm_ima_ws        dsicinvideo        libvorbis
  
  adpcm_ms        dvbsub            libvpx_vp8
  
  adpcm_sbpro_2        dvdsub            libvpx_vp9
  
  adpcm_sbpro_3        dvvideo            loco
  
  adpcm_sbpro_4        dxa            mace3
  
  adpcm_swf        dxtory            mace6
  
  adpcm_thp        eac3            mdec
  
  adpcm_vima        eacmv            metasound
  
  adpcm_xa        eamad            microdvd
  
  adpcm_yamaha        eatgq            mimic
  
  aic            eatgv            mjpeg
  
  alac            eatqi            mjpegb
  
  alias_pix        eightbps        mlp
  
  als            eightsvx_exp        mmvideo
  
  amrnb            eightsvx_fib        motionpixels
  
  amrwb            escape124        movtext
  
  amv            escape130        mp1
  
  anm            evrc            mp1float
  
  ansi            exr            mp2
  
  ape            ffv1            mp2float
  
  apng            ffvhuff            mp3
  
  ass            ffwavesynth        mp3adu
  
  asv1            fic            mp3adufloat
  
  asv2            flac            mp3float
  
  atrac1            flashsv            mp3on4
  
  atrac3            flashsv2        mp3on4float
  
  atrac3p            flic            mpc7
  
  aura            flv            mpc8
  
  aura2            fourxm            mpeg1video
  
  avrn            fraps            mpeg2video
  
  avrp            frwu            mpeg4
  
  avs            g2m            mpegvideo
  
  avui            g723_1            mpl2
  
  ayuv            g729            msa1
  
  bethsoftvid        gif            msmpeg4v1
  
  msmpeg4v2        qcelp            twinvq
  
  msmpeg4v3        qdm2            txd
  
  msrle            qdraw            ulti
  
  mss1            qpeg            utvideo
  
  mss2            qtrle            v210
  
  msvideo1        r10k            v210x
  
  mszh            r210            v308
  
  mts2            ra_144            v408
  
  mvc1            ra_288            v410
  
  mvc2            ralf            vb
  
  mxpeg            rawvideo        vble
  
  nellymoser        realtext        vc1
  
  nuv            rl2            vc1image
  
  on2avc            roq            vcr1
  
  opus            roq_dpcm        vima
  
  paf_audio        rpza            vmdaudio
  
  paf_video        rv10            vmdvideo
  
  pam            rv20            vmnc
  
  pbm            rv30            vorbis
  
  pcm_alaw        rv40            vp3
  
  pcm_bluray        s302m            vp5
  
  pcm_dvd            sami            vp6
  
  pcm_f32be        sanm            vp6a
  
  pcm_f32le        sgi            vp6f
  
  pcm_f64be        sgirle            vp7
  
  pcm_f64le        shorten            vp8
  
  pcm_lxf            sipr            vp9
  
  pcm_mulaw        smackaud        vplayer
  
  pcm_s16be        smacker            vqa
  
  pcm_s16be_planar    smc            wavpack
  
  pcm_s16le        smvjpeg            webp
  
  pcm_s16le_planar    snow            webvtt
  
  pcm_s24be        sol_dpcm        wmalossless
  
  pcm_s24daud        sonic            wmapro
  
  pcm_s24le        sp5x            wmav1
  
  pcm_s24le_planar    srt            wmav2
  
  pcm_s32be        ssa            wmavoice
  
  pcm_s32le        stl            wmv1
  
  pcm_s32le_planar    subrip            wmv2
  
  pcm_s8            subviewer        wmv3
  
  pcm_s8_planar        subviewer1        wmv3image
  
  pcm_u16be        sunrast            wnv1
  
  pcm_u16le        svq1            ws_snd1
  
  pcm_u24be        svq3            xan_dpcm
  
  pcm_u24le        tak            xan_wc3
  
  pcm_u32be        targa            xan_wc4
  
  pcm_u32le        targa_y216        xbin
  
  pcm_u8            text            xbm
  
  pcm_zork        theora            xface
  
  pcx            thp            xl
  
  pgm            tiertexseqvideo        xsub
  
  pgmyuv            tiff            xwd
  
  pgssub            tmv            y41p
  
  pictor            truehd            yop
  
  pjs            truemotion1        yuv4
  
  png            truemotion2        zero12v
  
  ppm            truespeech        zerocodec
  
  prores            tscc            zlib
  
  prores_lgpl        tscc2            zmbv
  
  ptx            tta
  
  
  
  Enabled encoders:
  
  a64multi        libopus            pgmyuv
  
  a64multi5        libvorbis        png
  
  aac            libvpx_vp8        ppm
  
  ac3            libvpx_vp9        prores
  
  ac3_fixed        libx264            prores_aw
  
  adpcm_adx        libx264rgb        prores_ks
  
  adpcm_g722        ljpeg            qtrle
  
  adpcm_g726        mjpeg            r10k
  
  adpcm_ima_qt        movtext            r210
  
  adpcm_ima_wav        mp2            ra_144
  
  adpcm_ms        mp2fixed        rawvideo
  
  adpcm_swf        mpeg1video        roq
  
  adpcm_yamaha        mpeg2video        roq_dpcm
  
  alac            mpeg4            rv10
  
  alias_pix        msmpeg4v2        rv20
  
  amv            msmpeg4v3        s302m
  
  ass            msvideo1        sgi
  
  asv1            nellymoser        snow
  
  asv2            pam            sonic
  
  avrp            pbm            sonic_ls
  
  avui            pcm_alaw        srt
  
  ayuv            pcm_f32be        ssa
  
  bmp            pcm_f32le        subrip
  
  cinepak            pcm_f64be        sunrast
  
  cljr            pcm_f64le        svq1
  
  comfortnoise        pcm_mulaw        targa
  
  dca            pcm_s16be        tiff
  
  dnxhd            pcm_s16be_planar    tta
  
  dpx            pcm_s16le        utvideo
  
  dvbsub            pcm_s16le_planar    v210
  
  dvdsub            pcm_s24be        v308
  
  dvvideo            pcm_s24daud        v408
  
  eac3            pcm_s24le        v410
  
  ffv1            pcm_s24le_planar    vorbis
  
  ffvhuff            pcm_s32be        wavpack
  
  flac            pcm_s32le        webvtt
  
  flashsv            pcm_s32le_planar    wmav1
  
  flashsv2        pcm_s8            wmav2
  
  flv            pcm_s8_planar        wmv1
  
  g723_1            pcm_u16be        wmv2
  
  gif            pcm_u16le        xbm
  
  h261            pcm_u24be        xface
  
  h263            pcm_u24le        xsub
  
  h263p            pcm_u32be        xwd
  
  huffyuv            pcm_u32le        y41p
  
  jpeg2000        pcm_u8            yuv4
  
  jpegls            pcx            zlib
  
  libfdk_aac        pgm            zmbv
  
  libmp3lame
  
  
  
  Enabled hwaccels:
  
  
  
  Enabled parsers:
  
  aac            dvd_nav            mpegvideo
  
  aac_latm        dvdsub            opus
  
  ac3            flac            png
  
  adx            gsm            pnm
  
  bmp            h261            rv30
  
  cavsvideo        h263            rv40
  
  cook            h264            tak
  
  dca            hevc            vc1
  
  dirac            mjpeg            vorbis
  
  dnxhd            mlp            vp3
  
  dpx            mpeg4video        vp8
  
  dvbsub            mpegaudio        vp9
  
  
  
  Enabled demuxers:
  
  aac            h261            mxg
  
  ac3            h263            nc
  
  act            h264            nistsphere
  
  adf            hevc            nsv
  
  adp            hls            nut
  
  adx            hnm            nuv
  
  aea            ico            ogg
  
  afc            idcin            oma
  
  aiff            idf            paf
  
  amr            iff            pcm_alaw
  
  anm            ilbc            pcm_f32be
  
  apc            image2            pcm_f32le
  
  ape            image2_alias_pix    pcm_f64be
  
  apng            image2_brender_pix    pcm_f64le
  
  aqtitle            image2pipe        pcm_mulaw
  
  asf            image_bmp_pipe        pcm_s16be
  
  ass            image_dpx_pipe        pcm_s16le
  
  ast            image_exr_pipe        pcm_s24be
  
  au            image_j2k_pipe        pcm_s24le
  
  avi            image_jpeg_pipe        pcm_s32be
  
  avr            image_jpegls_pipe    pcm_s32le
  
  avs            image_pictor_pipe    pcm_s8
  
  bethsoftvid        image_png_pipe        pcm_u16be
  
  bfi            image_sgi_pipe        pcm_u16le
  
  bink            image_sunrast_pipe    pcm_u24be
  
  bintext            image_tiff_pipe        pcm_u24le
  
  bit            image_webp_pipe        pcm_u32be
  
  bmv            ingenient        pcm_u32le
  
  boa            ipmovie            pcm_u8
  
  brstm            ircam            pjs
  
  c93            iss            pmp
  
  caf            iv8            pva
  
  cavsvideo        ivf            pvf
  
  cdg            jacosub            qcp
  
  cdxl            jv            r3d
  
  cine            latm            rawvideo
  
  concat            live_flv        realtext
  
  data            lmlm4            redspark
  
  daud            loas            rl2
  
  dfa            lrc            rm
  
  dirac            lvf            roq
  
  dnxhd            lxf            rpl
  
  dsf            m4v            rsd
  
  dsicin            matroska        rso
  
  dts            mgsts            rtp
  
  dtshd            microdvd        rtsp
  
  dv            mjpeg            sami
  
  dxa            mlp            sap
  
  ea            mlv            sbg
  
  ea_cdata        mm            sdp
  
  eac3            mmf            sdr2
  
  epaf            mov            segafilm
  
  ffm            mp3            shorten
  
  ffmetadata        mpc            siff
  
  filmstrip        mpc8            sln
  
  flac            mpegps            smacker
  
  flic            mpegts            smjpeg
  
  flv            mpegtsraw        smush
  
  fourxm            mpegvideo        sol
  
  frm            mpl2            sox
  
  g722            mpsub            spdif
  
  g723_1            msnwc_tcp        srt
  
  g729            mtv            stl
  
  gif            mv            str
  
  gsm            mvi            subviewer
  
  gxf            mxf            subviewer1
  
  sup            vc1t            webvtt
  
  swf            vivo            wsaud
  
  tak            vmd            wsvqa
  
  tedcaptions        vobsub            wtv
  
  thp            voc            wv
  
  tiertexseq        vplayer            xa
  
  tmv            vqf            xbin
  
  truehd            w64            xmv
  
  tta            wav            xwma
  
  tty            wc3            yop
  
  txd            webm_dash_manifest    yuv4mpegpipe
  
  vc1
  
  
  
  Enabled muxers:
  
  a64            ipod            pcm_s24le
  
  ac3            ircam            pcm_s32be
  
  adts            ismv            pcm_s32le
  
  adx            ivf            pcm_s8
  
  aiff            jacosub            pcm_u16be
  
  amr            latm            pcm_u16le
  
  asf            lrc            pcm_u24be
  
  asf_stream        m4v            pcm_u24le
  
  ass            matroska        pcm_u32be
  
  ast            matroska_audio        pcm_u32le
  
  au            md5            pcm_u8
  
  avi            microdvd        psp
  
  avm2            mjpeg            rawvideo
  
  bit            mkvtimestamp_v2        rm
  
  caf            mlp            roq
  
  cavsvideo        mmf            rso
  
  crc            mov            rtp
  
  dash            mp2            rtp_mpegts
  
  data            mp3            rtsp
  
  daud            mp4            sap
  
  dirac            mpeg1system        segment
  
  dnxhd            mpeg1vcd        smjpeg
  
  dts            mpeg1video        smoothstreaming
  
  dv            mpeg2dvd        sox
  
  eac3            mpeg2svcd        spdif
  
  f4v            mpeg2video        spx
  
  ffm            mpeg2vob        srt
  
  ffmetadata        mpegts            stream_segment
  
  filmstrip        mpjpeg            swf
  
  flac            mxf            tee
  
  flv            mxf_d10            tg2
  
  framecrc        null            tgp
  
  framemd5        nut            truehd
  
  g722            oga            uncodedframecrc
  
  g723_1            ogg            vc1
  
  gif            oma            vc1t
  
  gxf            opus            voc
  
  h261            pcm_alaw        w64
  
  h263            pcm_f32be        wav
  
  h264            pcm_f32le        webm
  
  hds            pcm_f64be        webm_dash_manifest
  
  hevc            pcm_f64le        webp
  
  hls            pcm_mulaw        webvtt
  
  ico            pcm_s16be        wtv
  
  ilbc            pcm_s16le        wv
  
  image2            pcm_s24be        yuv4mpegpipe
  
  image2pipe
  
  
  
  Enabled protocols:
  
  cache            http            rtmpt
  
  concat            httpproxy        rtp
  
  crypto            icecast            srtp
  
  data            md5            subfile
  
  ffrtmphttp        mmsh            tcp
  
  file            mmst            udp
  
  ftp            pipe            udplite
  
  gopher            rtmp            unix
  
  hls
  
  
  
  Enabled filters:
  
  adelay            dejudder        pad
  
  aecho            delogo            pan
  
  aeval            deshake            perms
  
  aevalsrc        drawbox            perspective
  
  afade            drawgrid        phase
  
  aformat            earwax            pixdesctest
  
  ainterleave        ebur128            pp
  
  allpass            edgedetect        psnr
  
  alphaextract        elbg            pullup
  
  alphamerge        equalizer        removelogo
  
  amerge            extractplanes        replaygain
  
  amix            fade            rgbtestsrc
  
  amovie            field            rotate
  
  anull            fieldmatch        sab
  
  anullsink        fieldorder        scale
  
  anullsrc        flanger            select
  
  apad            format            sendcmd
  
  aperms            fps            separatefields
  
  aphaser            framepack        setdar
  
  aresample        framestep        setfield
  
  aselect            geq            setpts
  
  asendcmd        gradfun            setsar
  
  asetnsamples        haldclut        settb
  
  asetpts            haldclutsrc        showcqt
  
  asetrate        hflip            showinfo
  
  asettb            highpass        showspectrum
  
  ashowinfo        histeq            showwaves
  
  asplit            histogram        shuffleplanes
  
  astats            hqdn3d            signalstats
  
  astreamsync        hqx            silencedetect
  
  atempo            hue            silenceremove
  
  atrim            idet            sine
  
  avectorscope        il            smartblur
  
  bandpass        interlace        smptebars
  
  bandreject        interleave        smptehdbars
  
  bass            join            split
  
  bbox            kerndeint        spp
  
  biquad            lenscorrection        stereo3d
  
  blackdetect        life            super2xsai
  
  blackframe        lowpass            swapuv
  
  blend            lut            telecine
  
  boxblur            lut3d            testsrc
  
  cellauto        lutrgb            thumbnail
  
  channelmap        lutyuv            tile
  
  channelsplit        mandelbrot        tinterlace
  
  codecview        mcdeint            transpose
  
  color            mergeplanes        treble
  
  colorbalance        movie            trim
  
  colorchannelmixer    mp            unsharp
  
  colorlevels        mpdecimate        uspp
  
  colormatrix        mptestsrc        vflip
  
  compand            negate            vignette
  
  concat            noformat        volume
  
  copy            noise            volumedetect
  
  crop            null            w3fdif
  
  cropdetect        nullsink        xbr
  
  curves            nullsrc            yadif
  
  dctdnoiz        overlay            zoompan
  
  decimate        owdenoise
  
  
  
  Enabled bsfs:
  
  aac_adtstoasc        imx_dump_header        mp3_header_decompress
  
  chomp            mjpeg2jpeg        noise
  
  dump_extradata        mjpega_dump_header    remove_extradata
  
  h264_mp4toannexb    mov2textsub        text2movsub
  
  
  
  Enabled indevs:
  
  dv1394            lavfi            v4l2
  
  fbdev            oss
  
  
  
  Enabled outdevs:
  
  fbdev            oss            v4l2
  
  
  
  License: nonfree and unredistributable
  
  Creating config.mak, config.h, and doc/config.texi...
  
  config.h is unchanged
  
  config.asm is unchanged
  
  libavutil/avconfig.h is unchanged

  now i am trying to run make command but getting the following error

  make
  
  POD    doc/ffmpeg.pod
  
  POD    doc/ffprobe.pod
  
  POD    doc/ffserver.pod
  
  POD    doc/ffmpeg-all.pod
  
  POD    doc/ffprobe-all.pod
  
  POD    doc/ffserver-all.pod
  
  MAN    doc/ffmpeg.1
  
  MAN    doc/ffprobe.1
  
  MAN    doc/ffserver.1
  
  MAN    doc/ffmpeg-all.1
  
  MAN    doc/ffprobe-all.1
  
  MAN    doc/ffserver-all.1
  
  LD    ffmpeg_g
  
  libavcodec/libavcodec.a(tiertexseqv.o): In function `seq_decode_op1':
  
  /root/ffmpeg_sources/ffmpeg/libavcodec/tiertexseqv.c:111: undefined reference to `ff_log2_tab'
  
  libavcodec/libavcodec.a(xsubdec.o): In function `decode_frame':
  
  /root/ffmpeg_sources/ffmpeg/libavcodec/xsubdec.c:121: undefined reference to `ff_log2_tab'
  
  libavcodec/libavcodec.a(xsubenc.o): In function `put_xsub_rle':
  
  /root/ffmpeg_sources/ffmpeg/libavcodec/xsubenc.c:45: undefined reference to `ff_log2_tab'
  
  /root/ffmpeg_sources/ffmpeg/libavcodec/xsubenc.c:45: undefined reference to `ff_log2_tab'
  
  /root/ffmpeg_sources/ffmpeg/libavcodec/xsubenc.c:45: undefined reference to `ff_log2_tab'
  
  libavcodec/libavcodec.a(aacps.o):/root/ffmpeg_sources/ffmpeg/libavcodec/aacps.c:196: more undefined references to `ff_log2_tab' follow
  
  collect2: ld returned 1 exit status
  
  make: *** [ffmpeg_g] Error 1

  can anyone help me for it . thank you in advance

• Got error (input/output error) during tcp opening, FFMPEG

  1er juin 2012, par manutd

  I got error during tcp opening.
  Exactly to say, avformat_open_input always return -5 (input/output error).
  I looked into the source of the error code using gdb and found that getaddrinfo(in libavformat/tcp.c) function didn't work well as expected and returned the error value EIO.
  ffmpeg source have ff_getaddrinfo(in libavformat/os_support.c) function that is linked to getaddrinfo but when I run the program and my program encountered getaddrinfo, my program called other function in libc.so, dynamic library. I couldn't find which function is called.
  I gave the valid url to ffmpeg. The valid url is "http://stream.radiojavan.com/radiojavan".

  I compiled ffmpeg source for Android-use and used ffmpeg version 0.8.1
  This is my configuration.

  ./configure --target-os=linux \
  
      --prefix=$PREFIX \
  
      --enable-cross-compile \
  
      --extra-libs="-lgcc" \
  
      --arch=arm \
  
      --cc=$PREBUILT/bin/arm-linux-androideabi-gcc \
  
      --cross-prefix=$PREBUILT/bin/arm-linux-androideabi- \
  
      --nm=$PREBUILT/bin/arm-linux-androideabi-nm \
  
      --sysroot=$PLATFORM \
  
      --extra-cflags=" -O3 -fpic -DANDROID -DHAVE_SYS_UIO_H=1 -Dipv6mr_interface=ipv6mr_ifindex -fasm -Wno-psabi -fno-short-enums  -fno-strict-aliasing -finline-limit=300 $OPTIMIZE_CFLAGS " \
  
      --disable-shared \
  
      --enable-static \
  
      --extra-ldflags="-Wl,-rpath-link=$PLATFORM/usr/lib -L$PLATFORM/usr/lib -nostdlib -lc -lm -ldl -llog" \
  
      --disable-ffplay \
  
      --enable-zlib \

  Any advise would be appreciated.