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new ae6f233988 avcodec/alsdec: fix mantissa unpacking in compressed Part A
path
ae6f233988 is described below
commit ae6f233988a4128b1759ae54982d07b750b7f294
Author: Priyanshu Thapliyal <[email protected]>
AuthorDate: Thu Mar 26 17:59:15 2026 +0530
Commit: michaelni <[email protected]>
CommitDate: Thu Mar 26 16:25:09 2026 +0000
avcodec/alsdec: fix mantissa unpacking in compressed Part A path
Signed-off-by: Priyanshu Thapliyal <[email protected]>
---
libavcodec/alsdec.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/libavcodec/alsdec.c b/libavcodec/alsdec.c
index e91ff57b03..242080a96d 100644
--- a/libavcodec/alsdec.c
+++ b/libavcodec/alsdec.c
@@ -1548,8 +1548,12 @@ static int read_diff_float_data(ALSDecContext *ctx,
unsigned int ra_frame) {
return AVERROR_INVALIDDATA;
}
+ j = 0;
for (i = 0; i < frame_length; ++i) {
- ctx->raw_mantissa[c][i] = AV_RB32(larray);
+ if (ctx->raw_samples[c][i] == 0) {
+ ctx->raw_mantissa[c][i] = AV_RB32(larray + j);
+ j += 4;
+ }
}
}
}
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