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avformat/iamf_parse: fix setting denominator in AVIAMFLayer.demixing_matrix

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The format of demixing_matrix is Q15 fixed point values.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
2025-12-27 17:08:30 -03:00
parent a6e5fa3fbb
commit 03a981445e
1 changed files with 1 additions and 1 deletions
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libavformat/iamf_parse.c
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@@ -587,7 +587,7 @@ static int ambisonics_config(void *s, AVIOContext *pb,
return AVERROR(ENOMEM);
for (int i = 0; i < demixing_matrix_size; i++)
layer->demixing_matrix[i] = av_make_q(sign_extend(avio_rb16(pb), 16), 1 << 8);
layer->demixing_matrix[i] = av_make_q(sign_extend(avio_rb16(pb), 16), 1 << 15);
for (int i = 0; i < substream_count; i++) {
IAMFSubStream *substream = &audio_element->substreams[i];