[FFmpeg-devel] [PATCH 1/2] libswr: allow to set custom matrices.

Nicolas George nicolas.george at normalesup.org
Thu Feb 16 20:01:16 CET 2012

L'octidi 28 pluviôse, an CCXX, Michael Niedermayer a écrit :
> i dont know
> running swresample_test and comparing the output should be

Thanks for the pointer. And the answer to my question is: no, make fate is
not enough.

There was a bug that only occurs when an existing context is reused with
fewer channels: junk coefficients that remain in the matrix.

A fixed patch will arrive soon, it only adds

	memset(s->matrix, 0, sizeof(s->matrix));

near the start of swr_set_matrix and auto_matrix.


  Nicolas George
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