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45b0ed13a8
I realized that the bug was not in the imdct routine but in the get_transform_coeffs. Fixed it. Code now uses the ffmpeg's imdct routines. All the mplayer's ac3 samples are decoded successfully. Also improved downmixing. Now all the downmixing coeffcients for channels are normalized such that the sum of coefficients used to construct the output for single channel never exceeds 1.0. Originally committed as revision 9659 to svn://svn.ffmpeg.org/ffmpeg/trunk
FFmpeg README ------------- 1) Documentation ---------------- * Read the documentation in the doc/ directory. 2) Licensing ------------ * Read the file COPYING. ffmpeg and the associated libraries EXCEPT libpostproc and libswscale are licensed under the GNU Lesser General Public License. * libpostproc and libswscale are distributed under the GNU General Public License and their compilation and use is optional in ffmpeg. Fabrice Bellard.