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    13 mai 2011, par

    MédiaSPIP ne modifie jamais le document original mis en ligne.
    Pour chaque document mis en ligne il effectue deux opérations successives : la création d’une version supplémentaire qui peut être facilement consultée en ligne tout en laissant l’original téléchargeable dans le cas où le document original ne peut être lu dans un navigateur Internet ; la récupération des métadonnées du document original pour illustrer textuellement le fichier ;
    Les tableaux ci-dessous expliquent ce que peut faire MédiaSPIP (...)

  • La sauvegarde automatique de canaux SPIP

    1er avril 2010, par

    Dans le cadre de la mise en place d’une plateforme ouverte, il est important pour les hébergeurs de pouvoir disposer de sauvegardes assez régulières pour parer à tout problème éventuel.
    Pour réaliser cette tâche on se base sur deux plugins SPIP : Saveauto qui permet une sauvegarde régulière de la base de donnée sous la forme d’un dump mysql (utilisable dans phpmyadmin) mes_fichiers_2 qui permet de réaliser une archive au format zip des données importantes du site (les documents, les éléments (...)

  • Automated installation script of MediaSPIP

    25 avril 2011, par

    To overcome the difficulties mainly due to the installation of server side software dependencies, an "all-in-one" installation script written in bash was created to facilitate this step on a server with a compatible Linux distribution.
    You must have access to your server via SSH and a root account to use it, which will install the dependencies. Contact your provider if you do not have that.
    The documentation of the use of this installation script is available here.
    The code of this (...)

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  • FFmpeg Ubuntu linker error

    29 mars 2016, par CodeDezk

    I am trying to decode audio using ffmpeg lib and c++ from Ubuntu 12.04. I am following the code here https://0xdeafc0de.wordpress.com/2013/12/19/ffmpeg-audio-playback-sample/

    Below is the command used to compile the code

    g++ -std=c++11 decode_play_audio.cpp -I/home/codeDev/ffmpeg_sources/build_Mar-10-2016/include -L/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib  -lavcodec -lavformat -lavutil

    But getting the compile error as below,

    I have build latest ffmpeg 3.0 and located at /home/codeDev/ffmpeg_sources/build_Mar-10-2016/

    And I can see all the libs located at /home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib

      libavcodec.a
    
  libavfilter.a
    
  libavutil.a
    
  libswresample.a
    
  pkgconfig
    
  libavdevice.a
    
  libavformat.a
    
  libpostproc.a
    
  libswscale.a

    Error :

    decode_play_audio.cpp: In function ‘int main(int, char**)’:
    
decode_play_audio.cpp:169:9: warning: ‘void av_free_packet(AVPacket*)’ is deprecated (declared at /home/codeDev/ffmpeg_sources/build_Mar-10-2016/include/libavcodec/avcodec.h:4040) [-Wdeprecated-declarations]
    
         av_free_packet(&packet);
    
         ^
    
decode_play_audio.cpp:169:31: warning: ‘void av_free_packet(AVPacket*)’ is deprecated (declared at /home/codeDev/ffmpeg_sources/build_Mar-10-2016/include/libavcodec/avcodec.h:4040) [-Wdeprecated-declarations]
    
         av_free_packet(&packet);
    
                               ^
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(dvenc.o): In function `dv_init_mux':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/dvenc.c:344: undefined reference to `av_dv_codec_profile2'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(matroskaenc.o): In function `get_aac_sample_rates':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/matroskaenc.c:612: undefined reference to `avpriv_mpeg4audio_get_config'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(matroskaenc.o): In function `put_xiph_codecpriv':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/matroskaenc.c:535: undefined reference to `avpriv_split_xiph_headers'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(movenc.o): In function `handle_eac3':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/movenc.c:347: undefined reference to `avpriv_ac3_parse_header'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/movenc.c:397: undefined reference to `avpriv_ac3_parse_header'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(movenc.o): In function `mov_get_rawvideo_codec_tag':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/movenc.c:1383: undefined reference to `avpriv_pix_fmt_bps_mov'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(movenc.o): In function `mov_find_codec_tag':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/movenc.c:1383: undefined reference to `avpriv_pix_fmt_bps_mov'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(movenc.o): In function `mov_get_rawvideo_codec_tag':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/movenc.c:1383: undefined reference to `avpriv_pix_fmt_bps_mov'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/movenc.c:1383: undefined reference to `avpriv_pix_fmt_bps_mov'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/movenc.c:1383: undefined reference to `avpriv_pix_fmt_bps_mov'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(movenc.o):/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/movenc.c:1383: more undefined references to `avpriv_pix_fmt_bps_mov' follow
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(swfdec.o): In function `swf_read_packet':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/swfdec.c:364: undefined reference to `uncompress'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(swfdec.o): In function `swf_read_header':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/swfdec.c:153: undefined reference to `inflateInit_'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(swfdec.o): In function `zlib_refill':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/swfdec.c:121: undefined reference to `inflate'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(swfdec.o): In function `swf_read_close':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/swfdec.c:529: undefined reference to `inflateEnd'
    
/tmp/cc18cojo.o: In function `main':
    
decode_play_audio.cpp:(.text+0x1ec): undefined reference to `ao_initialize'
    
decode_play_audio.cpp:(.text+0x1f1): undefined reference to `ao_default_driver_id'
    
decode_play_audio.cpp:(.text+0x313): undefined reference to `ao_open_live'
    
decode_play_audio.cpp:(.text+0x51e): undefined reference to `ao_play'
    
decode_play_audio.cpp:(.text+0x639): undefined reference to `ao_play'
    
decode_play_audio.cpp:(.text+0x66a): undefined reference to `ao_play'
    
decode_play_audio.cpp:(.text+0x729): undefined reference to `ao_play'
    
decode_play_audio.cpp:(.text+0x831): undefined reference to `ao_play'
    
/tmp/cc18cojo.o:decode_play_audio.cpp:(.text+0x8ed): more undefined references to `ao_play' follow
    
/tmp/cc18cojo.o: In function `main':
    
decode_play_audio.cpp:(.text+0x961): undefined reference to `ao_shutdown'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavcodec.a(frame_thread_encoder.o): In function `ff_frame_thread_encoder_free':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavcodec/frame_thread_encoder.c:236: undefined reference to `pthread_join'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavcodec.a(frame_thread_encoder.o): In function `ff_frame_thread_encoder_init':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavcodec/frame_thread_encoder.c:211: undefined reference to `pthread_create'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavcodec.a(pthread_frame.o): In function `ff_frame_thread_free':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavcodec/pthread_frame.c:566: undefined reference to `pthread_join'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavcodec.a(pthread_frame.o): In function `ff_frame_thread_init':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavcodec/pthread_frame.c:706: undefined reference to `pthread_create'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavcodec.a(pthread_slice.o): In function `ff_slice_thread_free':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavcodec/pthread_slice.c:116: undefined reference to `pthread_join'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavcodec.a(pthread_slice.o): In function `ff_slice_thread_init':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavcodec/pthread_slice.c:231: undefined reference to `pthread_create'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(allformats.o): In function `av_register_all':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/allformats.c:59: undefined reference to `avcodec_register_all'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(async.o): In function `async_close':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/async.c:313: undefined reference to `pthread_join'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(async.o): In function `async_open':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/async.c:281: undefined reference to `pthread_create'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(avidec.o): In function `avi_extract_stream_metadata':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/avidec.c:411: undefined reference to `avpriv_exif_decode_ifd'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(avienc.o): In function `avi_write_header':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/avienc.c:363: undefined reference to `avpriv_pix_fmt_bps_avi'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(concatdec.o): In function `detect_stream_specific':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/concatdec.c:200: undefined reference to `av_bitstream_filter_init'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(concatdec.o): In function `filter_packet':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/concatdec.c:502: undefined reference to `av_bitstream_filter_filter'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(dnxhddec.o): In function `dnxhd_probe':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/dnxhddec.c:33: undefined reference to `avpriv_dnxhd_parse_header_prefix'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(dtsdec.o): In function `dts_probe':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/dtsdec.c:72: undefined reference to `avpriv_dca_convert_bitstream'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/dtsdec.c:89: undefined reference to `avpriv_dca_sample_rates'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(dv.o): In function `dv_frame_offset':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/dv.c:425: undefined reference to `av_dv_codec_profile2'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(dv.o): In function `dv_read_header':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/dv.c:529: undefined reference to `av_dv_frame_profile'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(dv.o): In function `avpriv_dv_produce_packet':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/dv.c:375: undefined reference to `av_dv_frame_profile'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(flacdec.o): In function `flac_read_timestamp':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/flacdec.c:251: undefined reference to `av_parser_init'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/flacdec.c:266: undefined reference to `av_parser_parse2'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/flacdec.c:282: undefined reference to `av_parser_close'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(http.o): In function `http_close':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/http.c:1424: undefined reference to `inflateEnd'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(http.o): In function `parse_content_encoding':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/http.c:626: undefined reference to `inflateEnd'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/http.c:627: undefined reference to `inflateInit2_'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/http.c:632: undefined reference to `zlibCompileFlags'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(http.o): In function `http_buf_read_compressed':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/http.c:1209: undefined reference to `inflate'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(id3v2.o): In function `id3v2_parse':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/id3v2.c:963: undefined reference to `uncompress'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(isom.o): In function `ff_mp4_read_dec_config_descr':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/isom.c:493: undefined reference to `avpriv_mpeg4audio_get_config'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/isom.c:497: undefined reference to `avpriv_mpa_freq_tab'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(latmenc.o): In function `latm_decode_extradata':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/latmenc.c:63: undefined reference to `avpriv_mpeg4audio_get_config'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(latmenc.o): In function `latm_write_packet':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/latmenc.c:197: undefined reference to `avpriv_copy_bits'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/latmenc.c:199: undefined reference to `avpriv_align_put_bits'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(latmenc.o): In function `latm_write_frame_header':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/latmenc.c:123: undefined reference to `avpriv_copy_bits'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/latmenc.c:130: undefined reference to `avpriv_copy_pce_data'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/latmenc.c:119: undefined reference to `avpriv_copy_bits'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(latmenc.o): In function `latm_write_packet':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/latmenc.c:195: undefined reference to `avpriv_copy_bits'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(matroskadec.o): In function `matroska_decode_buffer':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/matroskadec.c:1294: undefined reference to `inflateInit_'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/matroskadec.c:1309: undefined reference to `inflate'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/matroskadec.c:1312: undefined reference to `inflateEnd'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/matroskadec.c:1327: undefined reference to `BZ2_bzDecompressInit'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/matroskadec.c:1342: undefined reference to `BZ2_bzDecompress'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/matroskadec.c:1345: undefined reference to `BZ2_bzDecompressEnd'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/matroskadec.c:1302: undefined reference to `inflateEnd'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/matroskadec.c:1335: undefined reference to `BZ2_bzDecompressEnd'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(matroskadec.o): In function `matroska_aac_sri':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/matroskadec.c:1616: undefined reference to `avpriv_mpeg4audio_sample_rates'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/matroskadec.c:1616: undefined reference to `avpriv_mpeg4audio_sample_rates'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/matroskadec.c:1616: undefined reference to `avpriv_mpeg4audio_sample_rates'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/matroskadec.c:1616: undefined reference to `avpriv_mpeg4audio_sample_rates'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/matroskadec.c:1616: undefined reference to `avpriv_mpeg4audio_sample_rates'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(matroskadec.o):/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/matroskadec.c:1616: more undefined references to `avpriv_mpeg4audio_sample_rates' follow
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(mov.o): In function `mov_read_cmov':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/mov.c:3807: undefined reference to `uncompress'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(mov.o): In function `mov_read_dac3':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/mov.c:744: undefined reference to `avpriv_ac3_channel_layout_tab'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(mov.o): In function `mov_read_dec3':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/mov.c:779: undefined reference to `avpriv_ac3_channel_layout_tab'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(mp3dec.o): In function `mp3_read_probe':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/mp3dec.c:85: undefined reference to `avpriv_mpegaudio_decode_header'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(mp3dec.o): In function `check':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/mp3dec.c:438: undefined reference to `avpriv_mpegaudio_decode_header'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/mp3dec.c:438: undefined reference to `avpriv_mpegaudio_decode_header'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/mp3dec.c:438: undefined reference to `avpriv_mpegaudio_decode_header'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(mp3dec.o): In function `mp3_parse_vbr_tags':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/mp3dec.c:303: undefined reference to `avpriv_mpegaudio_decode_header'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(mp3dec.o):/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/mp3dec.c:438: more undefined references to `avpriv_mpegaudio_decode_header' follow
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(mp3enc.o): In function `mp3_write_xing':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/mp3enc.c:149: undefined reference to `avpriv_mpa_freq_tab'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/mp3enc.c:149: undefined reference to `avpriv_mpa_freq_tab'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/mp3enc.c:149: undefined reference to `avpriv_mpa_freq_tab'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/mp3enc.c:179: undefined reference to `avpriv_mpa_bitrate_tab'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/mp3enc.c:179: undefined reference to `avpriv_mpa_bitrate_tab'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/mp3enc.c:179: undefined reference to `avpriv_mpa_bitrate_tab'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/mp3enc.c:179: undefined reference to `avpriv_mpa_bitrate_tab'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/mp3enc.c:179: undefined reference to `avpriv_mpa_bitrate_tab'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(mp3enc.o):/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/mp3enc.c:179: more undefined references to `avpriv_mpa_bitrate_tab' follow
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(mp3enc.o): In function `mp3_write_xing':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/mp3enc.c:195: undefined reference to `avpriv_mpegaudio_decode_header'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(mxfenc.o): In function `mxf_parse_dnxhd_frame':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/mxfenc.c:1677: undefined reference to `avpriv_dnxhd_get_frame_size'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/mxfenc.c:1679: undefined reference to `avpriv_dnxhd_get_interlaced'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(nutenc.o): In function `find_expected_header':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/nutenc.c:73: undefined reference to `avpriv_mpa_freq_tab'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/nutenc.c:76: undefined reference to `avpriv_mpa_bitrate_tab'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(oggenc.o): In function `ogg_write_header':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/oggenc.c:517: undefined reference to `avpriv_split_xiph_headers'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(oggparsedirac.o): In function `dirac_header':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/oggparsedirac.c:40: undefined reference to `av_dirac_parse_sequence_header'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(oggparseflac.o): In function `old_flac_header':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/oggparseflac.c:86: undefined reference to `av_parser_init'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/oggparseflac.c:97: undefined reference to `av_parser_parse2'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/oggparseflac.c:101: undefined reference to `av_parser_close'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(oggparsevorbis.o): In function `vorbis_cleanup':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/oggparsevorbis.c:257: undefined reference to `av_vorbis_parse_free'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(oggparsevorbis.o): In function `vorbis_packet':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/oggparsevorbis.c:421: undefined reference to `av_vorbis_parse_reset'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/oggparsevorbis.c:424: undefined reference to `av_vorbis_parse_frame_flags'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/oggparsevorbis.c:436: undefined reference to `av_vorbis_parse_frame_flags'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/oggparsevorbis.c:461: undefined reference to `av_vorbis_parse_reset'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/oggparsevorbis.c:466: undefined reference to `av_vorbis_parse_frame_flags'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(oggparsevorbis.o): In function `vorbis_header':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/oggparsevorbis.c:391: undefined reference to `av_vorbis_parse_init'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(rtmpproto.o): In function `rtmp_uncompress_swfplayer':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/rtmpproto.c:1077: undefined reference to `inflateInit_'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/rtmpproto.c:1087: undefined reference to `inflate'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/rtmpproto.c:1105: undefined reference to `inflateEnd'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(rtpdec_jpeg.o): In function `jpeg_create_header':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/rtpdec_jpeg.c:147: undefined reference to `avpriv_mjpeg_val_dc'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/rtpdec_jpeg.c:147: undefined reference to `avpriv_mjpeg_bits_dc_luminance'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/rtpdec_jpeg.c:149: undefined reference to `avpriv_mjpeg_val_dc'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/rtpdec_jpeg.c:149: undefined reference to `avpriv_mjpeg_bits_dc_chrominance'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/rtpdec_jpeg.c:151: undefined reference to `avpriv_mjpeg_val_ac_luminance'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/rtpdec_jpeg.c:151: undefined reference to `avpriv_mjpeg_bits_ac_luminance'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/rtpdec_jpeg.c:153: undefined reference to `avpriv_mjpeg_val_ac_chrominance'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/rtpdec_jpeg.c:153: undefined reference to `avpriv_mjpeg_bits_ac_chrominance'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(rtpenc_jpeg.o): In function `ff_rtp_send_jpeg':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/rtpenc_jpeg.c:104: undefined reference to `avpriv_mjpeg_bits_dc_luminance'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/rtpenc_jpeg.c:105: undefined reference to `avpriv_mjpeg_val_dc'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/rtpenc_jpeg.c:140: undefined reference to `avpriv_mjpeg_bits_ac_chrominance'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/rtpenc_jpeg.c:141: undefined reference to `avpriv_mjpeg_val_ac_chrominance'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/rtpenc_jpeg.c:116: undefined reference to `avpriv_mjpeg_bits_dc_chrominance'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/rtpenc_jpeg.c:117: undefined reference to `avpriv_mjpeg_val_dc'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/rtpenc_jpeg.c:128: undefined reference to `avpriv_mjpeg_bits_ac_luminance'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/rtpenc_jpeg.c:129: undefined reference to `avpriv_mjpeg_val_ac_luminance'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(sdp.o): In function `xiph_extradata2config':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/sdp.c:367: undefined reference to `avpriv_split_xiph_headers'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(sdp.o): In function `latm_context2config':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/sdp.c:457: undefined reference to `avpriv_mpeg4audio_sample_rates'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/sdp.c:457: undefined reference to `avpriv_mpeg4audio_sample_rates'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/sdp.c:457: undefined reference to `avpriv_mpeg4audio_sample_rates'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/sdp.c:457: undefined reference to `avpriv_mpeg4audio_sample_rates'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/sdp.c:457: undefined reference to `avpriv_mpeg4audio_sample_rates'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(sdp.o):/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/sdp.c:457: more undefined references to `avpriv_mpeg4audio_sample_rates' follow
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(spdifdec.o): In function `spdif_get_offset_and_codec':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/spdifdec.c:60: undefined reference to `avpriv_aac_parse_header'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(spdifenc.o): In function `spdif_header_aac':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/spdifenc.c:357: undefined reference to `avpriv_aac_parse_header'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(spdifenc.o): In function `spdif_header_dts':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/spdifenc.c:258: undefined reference to `avpriv_dca_sample_rates'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(takdec.o): In function `tak_read_header':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/takdec.c:145: undefined reference to `avpriv_tak_parse_streaminfo'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(tee.o): In function `close_slaves':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/tee.c:327: undefined reference to `av_bitstream_filter_close'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(tee.o): In function `parse_bsfs':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/tee.c:115: undefined reference to `av_bitstream_filter_init'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(tee.o): In function `close_slaves':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/tee.c:327: undefined reference to `av_bitstream_filter_close'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(udp.o): In function `udp_close':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/udp.c:974: undefined reference to `pthread_cancel'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/udp.c:975: undefined reference to `pthread_join'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(udp.o): In function `udp_open':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/udp.c:847: undefined reference to `pthread_create'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(utils.o): In function `free_stream':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/utils.c:3710: undefined reference to `av_parser_close'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(utils.o): In function `has_decode_delay_been_guessed':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/utils.c:863: undefined reference to `avpriv_h264_has_num_reorder_frames'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/utils.c:863: undefined reference to `avpriv_h264_has_num_reorder_frames'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/utils.c:863: undefined reference to `avpriv_h264_has_num_reorder_frames'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(utils.o): In function `parse_packet':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/utils.c:1257: undefined reference to `av_parser_parse2'
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/utils.c:1318: undefined reference to `av_parser_close'
    
/home/codeDev/ffmpeg_sources/build_Mar-10-2016/lib/libavformat.a(utils.o): In function `ff_read_frame_flush':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavformat/utils.c:1669: /lib/libavutil.a(time.o): In function `av_gettime_relative':
    
/home/codeDev/ffmpeg_sources/ffmpeg-3.0/libavutil/time.c:60: undefined reference to `clock_gettime'
    
collect2: error: ld returned 1 exit status

  • ffmpeg flv to flv conversion compress

    23 avril 2013, par leon

    I am using ClipBucket. I have set up ffmpeg environment, I can convert avi, wmv files to FLV video files without any problem, but now I am trying to convert a FLV video file to FLV video file with different video quality. However, there is error in the conversion. Can someone help me please ?

    Logs :

    Preparing file...
    Unknown file details - Unable to get video details using FFMPEG

    Converting Video
    Conversion Command : /usr/local/bin/ffmpeg -i /home/myspace86/myspace86.com/files/conversion_queue/136667418894906.flv -f flv -vcodec libx264 -r 30 -vf 'movie=/home/myspace86/public_html/player_logo.png [watermark] ; [in][watermark] overlay=main_w-overlay_w-10:main_h-overlay_h-10 [out]' -ab 320000 /home/myspace86/myspace86.com/files/videos/136667418894906.flv 2> /home/myspace86/myspace86.com/files/temp/136667424191b8e.tmp

    Conversion Details

    ffmpeg version N-52385-g6d7ec4f Copyright (c) 2000-2013 the FFmpeg developers
    
built on Apr 22 2013 16:08:27 with gcc 4.1.2 (GCC) 20080704 (Red Hat 4.1.2-54)
    
configuration: --prefix=/usr/local --enable-shared --enable-gpl --enable-version3 --enable-nonfree --enable-postproc --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libvpx --enable-libx264 --enable-libxvid
    
libavutil 52. 27.100 / 52. 27.100
    
libavcodec 55. 5.100 / 55. 5.100
    
libavformat 55. 3.100 / 55. 3.100
    
libavdevice 55. 0.100 / 55. 0.100
    
libavfilter 3. 60.101 / 3. 60.101
    
libswscale 2. 2.100 / 2. 2.100
    
libswresample 0. 17.102 / 0. 17.102
    
libpostproc 52. 3.100 / 52. 3.100
    
Input #0, flv, from '/home/myspace86/myspace86.com/files/conversion_queue/136667418894906.flv':
    
Metadata:
    
metadatacreator : Yet Another Metadata Injector for FLV - Version 1.4
    
hasKeyframes : true
    
hasVideo : true
    
hasAudio : true
    
hasMetadata : true
    
canSeekToEnd : false
    
datasize : 40992128
    
videosize : 37546219
    
audiosize : 3247153
    
lasttimestamp : 728
    
lastkeyframetimestamp: 727
    
lastkeyframelocation: 40978250
    
Duration: 00:12:08.16, start: 0.000000, bitrate: 450 kb/s
    
Stream #0:0: Video: vp6f, yuv420p, 648x459, 409 kb/s, 29.97 tbr, 1k tbn, 1k tbc
    
Stream #0:1: Audio: mp3, 22050 Hz, mono, s16p, 32 kb/s
    
[libx264 @ 0x146d900] height not divisible by 2 (648x459)
    
Output #0, flv, to '/home/myspace86/myspace86.com/files/videos/136667418894906.flv':
    
Metadata:
    
metadatacreator : Yet Another Metadata Injector for FLV - Version 1.4
    
hasKeyframes : true
    
hasVideo : true
    
hasAudio : true
    
hasMetadata : true
    
canSeekToEnd : false
    
datasize : 40992128
    
videosize : 37546219
    
audiosize : 3247153
    
lasttimestamp : 728
    
lastkeyframetimestamp: 727
    
lastkeyframelocation: 40978250
    
Stream #0:0: Video: h264, yuv420p, 648x459, q=-1--1, 90k tbn, 30 tbc
    
Stream #0:1: Audio: none, 22050 Hz, mono, s16p
    
Stream mapping:
    
Stream #0:0 -> #0:0 (vp6f -> libx264)
    
Stream #0:1 -> #0:1 (mp3 -> libmp3lame)
    
Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height
    

    

    
Unknown file details - Unable to get output video details using FFMPEG 
    

    

    
Time Took : 0.3056 seconds
    

    
conversion_status : completed

  • Carrierwave and FFMPEG saving to 2 destinations - Rails, Fog, S3

    20 avril 2013, par dodgerogers747

    I have a video model, which uses Carrierwave, Fog, FFMPEG and S3 to handle video files. I have a method in my video model that takes a screenshot before the video is saved to S3. Both Video and screenshot are saved to S3 using 2 Carrierwave Uploader classes, Image_uploader and video_uploader with the video being saved to the Video.file column and screenshot saved at the Video.screenshot.

    This all works as intended, however, FFMPEG also saves a copy of the screenshot to the rails filesystem, "Rails.root/file_is_saved_here". For now I have FFMPEG saving this file into the Rails.root/public/uploads folder along with the tmp files created by Carrierwave.

    How can I get one screenshot saved to S3 without the second being saved on the filesystem ?

    Commit & trace data and

    Running transcoding...
    
/opt/local/bin/ffmpeg -y -i /Users/me/rails_projects/teebox_network/public/uploads/tmp/200/14_jan_2013_hk.mov -ss 3 -vframes 1 -f image2 /Users/garyrogers/rails_projects/teebox_network/public/uploads/14_jan_2013_hk.mov_screenshot.png
    

    
Transcoding of /Users/me/rails_projects/teebox_network/public/uploads/tmp/200/14_jan_2013_hk.mov to /Users/garyrogers/rails_projects/teebox_network/public/uploads/14_jan_2013_hk.mov_screenshot.png succeeded
    

    
Started POST "/videos" for 127.0.0.1 at 2013-04-19 17:03:07 -0700
    
Processing by VideosController#create as */*
    
  Parameters: {"utf8"=>"✓", "authenticity_token"=>"DjFIu3971GxKYJzjDFu7LaBx85iOHPa5HzO6PLdSW+8=", "video"=>{"user_id"=>"5", "file"=>#quicktime\r\n", @tempfile=#var/folders/1g/d9qbm7_s0_5fcljtvzysp1gc0000gn/T/RackMultipart20130419-751-19kisab>>}}
    
  User Load (0.5ms)  SELECT `users`.* FROM `users` WHERE `users`.`id` = 5 LIMIT 1
    
   (0.2ms)  BEGIN
    
  SQL (14.9ms)  INSERT INTO `videos` (`created_at`, `file`, `question_id`, `screenshot`, `updated_at`, `user_id`) VALUES ('2013-04-20 00:03:20', '14_jan_2013_hk.mov', NULL, '14_jan_2013_hk.mov_screenshot.png', '2013-04-20 00:03:20', 5)

    video.rb

    class Video < ActiveRecord::Base
    

    
  attr_accessible :user_id, :question_id, :file
    
  belongs_to :question
    
  belongs_to :user
    

    
  default_scope order('created_at DESC')
    

    
  before_save :take_screenshot
    

    
  mount_uploader :file, VideoUploader
    
  mount_uploader :screenshot, ImageUploader
    

    
  def to_param
    
    "#{id} - #{File.basename(self.file.path)}".parameterize
    
  end
    

    
  private 
    

    
  def take_screenshot
    
    FFMPEG.ffmpeg_binary = '/opt/local/bin/ffmpeg'
    
    movie = FFMPEG::Movie.new(self.file.current_path)
    
    self.screenshot = movie.screenshot("#{Rails.root}/public/uploads/#{File.basename(self.file.path)}_screenshot.png", seek_time: 3 )
    
  end
    
end

    image_uploader class

    class ImageUploader < CarrierWave::Uploader::Base
    

    
   include Sprockets::Helpers::RailsHelper
    
   include Sprockets::Helpers::IsolatedHelper
    

    
  storage :fog
    

    
  process resize_and_pad: [270, 135, '#000']
    

    
  def store_dir
    
    "uploads/#{model.class.to_s.underscore}_screenshots/#{mounted_as}_images/#{model.id}"
    
  end
    

    
  def extension_white_list
    
    %w(png jpg)
    
    # %w(ogg ogv 3gp mp4 m4v webm mov)
    
  end

    Video uploader class

    class VideoUploader < CarrierWave::Uploader::Base
    

    
   include Sprockets::Helpers::RailsHelper
    
   include Sprockets::Helpers::IsolatedHelper
    

    
  storage :fog
    

    
 def store_dir
    
    "uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
    
  end
    

    
  def extension_white_list
    
    %w(ogg ogv 3gp mp4 m4v webm mov m2v 3g2)
    
    # %w(ogg ogv 3gp mp4 m4v webm mov)
    
  end

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