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swresample/rematrix: fix update of channel matrix if input or output layout is undefined

Prefer direct in/out channel count values over channel layout, when
available. Fixes a pan filter bug (ticket #6790).

Signed-off-by: Tobias Rapp <t.rapp@noa-archive.com>
This commit is contained in:
Tobias Rapp 2018-02-14 17:01:08 +01:00
parent 647fa49495
commit 6325bd3717

View File

@ -69,8 +69,10 @@ int swr_set_matrix(struct SwrContext *s, const double *matrix, int stride)
return AVERROR(EINVAL);
memset(s->matrix, 0, sizeof(s->matrix));
memset(s->matrix_flt, 0, sizeof(s->matrix_flt));
nb_in = av_get_channel_layout_nb_channels(s->user_in_ch_layout);
nb_out = av_get_channel_layout_nb_channels(s->user_out_ch_layout);
nb_in = (s->user_in_ch_count > 0) ? s->user_in_ch_count :
av_get_channel_layout_nb_channels(s->user_in_ch_layout);
nb_out = (s->user_out_ch_count > 0) ? s->user_out_ch_count :
av_get_channel_layout_nb_channels(s->user_out_ch_layout);
for (out = 0; out < nb_out; out++) {
for (in = 0; in < nb_in; in++)
s->matrix_flt[out][in] = s->matrix[out][in] = matrix[in];