hi, Actually i have applied for OPW program and i need to validate bitstream.i have made required patches with the help my my mentor ramiro polla. now i just need to convert files,for which i need command line options.i tried above options but couldn't get it
greeshma On Tue, Oct 28, 2014 at 7:44 AM, Marcus Johnson <[email protected]> wrote: > How exactly do you intend on encoding MLP? there is no encoder included > with ffmpeg (or LibAV AFAIK), there is an ancient one floating around on > the internet that would need a lot of work to be patched in, so I'm not > really sure how you plan on achieving this? > > On Mon, Oct 27, 2014 at 10:09 PM, greeshma <[email protected]> > wrote: > >> HI, >> >> I am working on validating Mlp encoder in Libavcodec . >> I have converted .wav file to .pcm file using acodec pcm_s16le . >> Now i want to convert .pcm file to .mlp file using mlp encoder which i am >> working on. >> >> the command line tool i am using is >> ./ffmpeg -i ~/file.pcm -acodec mlp -b:a 18m -r 29.97 -strict unofficial >> -sample_fmt s16 ~/final.mlp >> >> But i am getting the below error >> >> user@user:~/ffmpeg_sources/ffmpeg$ ./ffmpeg -i ~/file.raw -acodec mlp >> -b:a 18m -r 29.97 -strict unofficial -sample_fmt s16 ~/final.mlp >> ffmpeg version 2.4.git Copyright (c) 2000-2014 the FFmpeg developers >> built on Oct 27 2014 22:58:52 with gcc 4.8 (Ubuntu/Linaro >> 4.8.1-10ubuntu9) >> configuration: --prefix=/home/soumya/ffmpeg_build >> --extra-cflags=-I/home/soumya/ffmpeg_build/include >> --extra-ldflags=-L/home/soumya/ffmpeg_build/lib --bindir=/home/soumya/bin >> --enable-gpl --enable-libass --enable-libfdk-aac --enable-libfreetype >> --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis >> --enable-libvpx --enable-libx264 --enable-nonfree --enable-x11grab --cc=c99 >> libavutil 54. 10.100 / 54. 10.100 >> libavcodec 56. 9.102 / 56. 9.102 >> libavformat 56. 9.101 / 56. 9.101 >> libavdevice 56. 1.100 / 56. 1.100 >> libavfilter 5. 2.100 / 5. 2.100 >> libswscale 3. 1.101 / 3. 1.101 >> libswresample 1. 1.100 / 1. 1.100 >> libpostproc 53. 3.100 / 53. 3.100 >> [image2 @ 0x3d6ff60] Format image2 detected only with low score of 5, >> misdetection possible! >> [rawvideo @ 0x3d70d80] Invalid pixel format. >> [image2 @ 0x3d6ff60] Failed to open codec in av_find_stream_info >> [rawvideo @ 0x3d70d80] Invalid pixel format. >> [image2 @ 0x3d6ff60] Could not find codec parameters for stream 0 (Video: >> rawvideo, none): unspecified size >> Consider increasing the value for the 'analyzeduration' and 'probesize' >> options >> /home/user/file.raw: could not find codec parameters >> Input #0, image2, from '/home/soumya/file.raw': >> Duration: 00:00:00.04, start: 0.000000, bitrate: N/A >> Stream #0:0: Video: rawvideo, none, 25 tbr, 25 tbn, 25 tbc >> Codec AVOption b (set bitrate (in bits/s)) specified for output file #0 >> (/home/soumya/final.mlp) has not been used for any stream. The most likely >> reason is either wrong type (e.g. a video option with no video streams) or >> that it is a private option of some encoder which was not actually used for >> any stream. >> File '/home/user/final.mlp' already exists. Overwrite ? [y/N] y >> Output #0, mlp, to '/home/user/final.mlp': >> Output file #0 does not contain any stream >> >> >> and one more kind of error >> >> /home/user/file.pcm: Invalid data found when processing input >> >> Please help me out >> >> >> Greeshma Balabhadra >> >> >> >> _______________________________________________ >> Libav-user mailing list >> [email protected] >> http://ffmpeg.org/mailman/listinfo/libav-user >> >> > > _______________________________________________ > Libav-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/libav-user > >
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