search for: liba52

Hi folks, I'm trying to get a handle on the many lossless audio formats from the perspective of a software developer. I love the FLAC format because it is open source and it performs very well. But there is also the MLP (Meridian Lossless Packing), AAC (Apple Lossless), and probably some Microsoft format(s) that compete in the same feature set. These formats all achieve

...a few facts. I did not intend to imply that A-52 was lossless - I was merely using it as an example of an open specification format that cannot be implemented and sold without being licensed. I'm glad that we are finally getting lossless formats accepted in large public standards. The liba52 library may not be legal. I seem to recall some legal repercussions, but perhaps that was only with libdts. My impression was that AAC is part of MPEG-4 audio because of the .m4a extension. I further assumed that Apple Lossless is a variation of AAC because they seem to share a common exte...

...ux32.bin foo.mts -x 1280 -y 720 -o foo-ffmpeg2theora-0.23.ogv Input #0, mpegts, from 'foo.mts': Duration: 00:00:15.80, start: 1.040000, bitrate: 16989 kb/s Program 1 Stream #0.0[0x1011]: Video: h264, yuv420p, 1920x1080 [PAR 1:1 DAR 16:9], 25.00 tb(r) Stream #0.1[0x1100]: Audio: liba52, 48000 Hz, stereo, s16, 256 kb/s Pixel Aspect Ratio: 1.00/1 Frame Aspect Ratio: 1.78/1 Resize: 1920x1080 => 1280x720 [h264 @ 0xa804050]B picture before any references, skipping [h264 @ 0xa804050]decode_slice_header error [h264 @ 0xa804050]no frame! [h264 @ 0xa804050]B picture before any re...

...20080206-12ubuntu3.1, Copyright (c) 2000-2008 Fabrice Bellard, et al. configuration: --enable-gpl --enable-pp --enable-swscaler --enable-x11grab --prefix=/usr --enable-libgsm --enable-libtheora --enable-libvorbis --enable-pthreads --disable-strip --enable-libfaad --enable-libfaadbin --enable-liba52 --enable-liba52bin --enable-libdc1394 --disable-armv5te --disable-armv6 --disable-altivec --disable-vis --enable-shared --disable-static libavutil version: 49.6.0 libavcodec version: 51.50.0 libavformat version: 52.7.0 libavdevice version: 52.0.0 built on Mar 13 2009 17:48:10, gcc:...

...It uses a custom callback mechanism. - mplayer 1.0pre7 also sounds fine with win32 (waveOut) audio output. It fills a slightly different WAVEFORMATEXTENSIBLE struct (but a cast is used before the call to waveOutOpen). Another success for a custom callback mechanism. - a52dec (sample program for liba52) turns on the wave device using waveOutOpen but with standard callback mechanism (it uses the CALLBACK_NULL macro). These different cases suggest me the issue lies somewhere else than mingw32 suite. Anyway, i hope these new data can help to fix the problem, Elio.

...ing licensing. Well, a > programmer could implement it based on the specification, but could > not make a product without licensing. Dolby Digital, aka AC-3, aka A/52, is not a lossless format. It is used on DVD-Video discs. There is at least one open source implementation of it: http://liba52.sourceforge.net/ You are correct about the licensing. Many other audio formats are also encumbered by patents (MP3 and AAC, for example). > Also, what about Apple's Lossless format? Is this part of a larger > specification, like MPEG-4, or is it completely independent? Is it > doc...

...6 /ffmpeg.ogg FFmpeg version SVN-rUNKNOWN, Copyright (c) 2000-2008 Fabrice Bellard, et al. configuration: --prefix=/usr --enable-shared --enable-libmp3lame --enable-gpl --enable-libfaad --enable-libvorbis --enable-pthreads --enable-libfaac --enable-libxvid --enable-libgsm --enable-libx264 --enable-liba52 --enable-libtheora --enable-vhook --enable-mmx --enable-libogg --enable-x11grab --enable-pp libavutil version: 49.5.0 libavcodec version: 51.45.0 libavformat version: 51.14.0 built on Nov 8 2008 16:53:09, gcc: 4.2.4 (Ubuntu 4.2.4-1ubuntu3) Input #0, mpeg, from '/home/pierpaolo/Scrivania/31...

.../ffmpeg.ogg FFmpeg version SVN-rUNKNOWN, Copyright (c) 2000-2008 Fabrice Bellard, et al. configuration: --prefix=/usr --enable-shared --enable-libmp3lame --enable-gpl --enable-libfaad --enable-libvorbis --enable-pthreads --enable-libfaac --enable-libxvid --enable-libgsm --enable-libx264 --enable-liba52 --enable-libtheora --enable-vhook --enable-mmx --enable-libogg --enable-x11grab --enable-pp libavutil version: 49.5.0 libavcodec version: 51.45.0 libavformat version: 51.14.0 built on Nov 8 2008 16:53:09, gcc: 4.2.4 (Ubuntu 4.2.4-1ubuntu3) Input #0, mpeg, from '/home/pierpaolo/Scrivani...

...6 /ffmpeg.ogg FFmpeg version SVN-rUNKNOWN, Copyright (c) 2000-2008 Fabrice Bellard, et al. configuration: --prefix=/usr --enable-shared --enable-libmp3lame --enable-gpl --enable-libfaad --enable-libvorbis --enable-pthreads --enable-libfaac --enable-libxvid --enable-libgsm --enable-libx264 --enable-liba52 --enable-libtheora --enable-vhook --enable-mmx --enable-libogg --enable-x11grab --enable-pp libavutil version: 49.5.0 libavcodec version: 51.45.0 libavformat version: 51.14.0 built on Nov 8 2008 16:53:09, gcc: 4.2.4 (Ubuntu 4.2.4-1ubuntu3) Input #0, mpeg, from '/home/pierpaolo/Scrivania/31...

.../ffmpeg.ogg FFmpeg version SVN-rUNKNOWN, Copyright (c) 2000-2008 Fabrice Bellard, et al. configuration: --prefix=/usr --enable-shared --enable-libmp3lame --enable-gpl --enable-libfaad --enable-libvorbis --enable-pthreads --enable-libfaac --enable-libxvid --enable-libgsm --enable-libx264 --enable-liba52 --enable-libtheora --enable-vhook --enable-mmx --enable-libogg --enable-x11grab --enable-pp libavutil version: 49.5.0 libavcodec version: 51.45.0 libavformat version: 51.14.0 built on Nov 8 2008 16:53:09, gcc: 4.2.4 (Ubuntu 4.2.4-1ubuntu3) Input #0, mpeg, from '/home/pierpaolo/Scrivani...

...All, I am having a terrible time installing multi media tools like smplayer (which requires mplayer), which is not avaiable from the centos repos. I have installed epel.repo which containa the epel-release repo info for yum Still I cannot install many things. For example, I ran for i in faad2-libs liba52.so.0 libaa.so.1 libartsc.so.0 libass.so.4 libaudio.so.2 libavcodec.so.53 libavcodec.so.53 libavformat.so.53 libavformat.so.53 libavutil.so.51 libavutil.so.51 libBasicUsageEnvironment.so.0 libbluray.so.0 libbs2b.so.0 libcaca.so.0 libcdio_cdda.so.0 libcdio_cdda.so.0 libcdio_paranoia.so.0 libcdio...

...figure out what sysctl settings to change on both ends (server & player). But despite Apple's "kitchen sink" approach in QT, and since the open source projects are getting better & better, I use my own recent (SVN) builds of mplayer & ffmpeg and all associated libs etc. (liba52 for AC3, FAAC+FAAD for AAC, and so on) to test and monitor streams. When I was netcasting the LiftedRadio live gigs, I used jackd (sometimes jackdmp) and darkice on PowerMac towers to grab the audio and feed into IC-2.3.1 in various formats (mainly mp3 via LAME, and Ogg/Vorbis, never could get AAC...

...et me know how to go around this problem [root at localhost linux 29-01-2007]# rpm -i vlc-0.8.6a-2.el4.rf.i386.rpm warning: vlc-0.8.6a-2.el4.rf.i386.rpm: V3 DSA signature: NOKEY, key ID 6b8d79e6 error: Failed dependencies: libSDL_image-1.2.so.0 is needed by vlc-0.8.6a-2.el4.rf.i386 liba52.so.0 is needed by vlc-0.8.6a-2.el4.rf.i386 libaa.so.1 is needed by vlc-0.8.6a-2.el4.rf.i386 libcddb.so.2 is needed by vlc-0.8.6a-2.el4.rf.i386 libcdio.so.7 is needed by vlc-0.8.6a-2.el4.rf.i386 libdvbpsi.so.4 is needed by vlc-0.8.6a-2.el4.rf.i386 libdvdnav.so...

...ing for mad support ... no Checking for Twolame ... no Checking for Toolame ... no Checking for OggVorbis support ... yes (internal Tremor) Checking for libspeex (version >= 1.1 required) ... no Checking for OggTheora support ... no Checking for internal mp3lib support ... yes Checking for liba52 support ... yes (internal) Checking for internal libmpeg2 support ... yes Checking for libdca support ... no Checking for libmpcdec (musepack, version >= 1.2.1 required) ... no Checking for FAAC support ... no (in libavcodec: no) Checking for FAAD2 support ... yes (internal floating-point) Ch...

Hello, I am trying to get MP4/H.264 playback in Firefox to work on my CentOS laptop (for vimeo). I installed the gstreamer plugins as described here: https://wiki.centos.org/TipsAndTricks/MultimediaOnCentOS7 (No, I did not install Flash, VLC and all the other stuff. I only want HTML5 MP4 playback..) I enabled the nux repos. I did install all available gstreamer plugins, i.e. -good -bad

...# mp3 afspelen #./GLib-1.2.10.sh && #./GTK+-1.2.10.sh && #./XMMS-1.2.8.sh && #opgl disabled ## op naar xine #./DirectFB-0.9.19.sh && ##./DirectFB-extra-0.9.16.sh && #lukt niet, pkg-config ontbreekt #./SDL-1.2.6.sh && #./libFAME-0.9.0.sh && #./liba52-0.7.4.sh && #./libmad-0.15.0b.sh && #./Speex-1.0.1.sh && #./FFmpeg-0.4.7.sh && #./XviD-0.9.1.sh && #./xine-Libraries-1-beta9.sh && #./xine-User-Interface-0.9.19 && ## en openoffice #./which-2.14.sh && #./Tcsh-6.12.00.sh && #....

Hi all, Xiph aims at developing open-standards media formats. Though xiph.org tells about vorbis/theora/flac/speex, nothing is mentioned about container to use (that is ogg/ogm). I have a few questions Is there a difference between ogg and ogm? I guess its only the extension that is different and everything else is same. Some tools (like ogmtools) are available to create ogm files. What is