From ce2b4727a9beb1a7afac6d16a5473e7a3d10d117 Mon Sep 17 00:00:00 2001
From: Priyanshu Thapliyal <priyanshuthapliyal2005@gmail.com>
Date: Fri, 27 Mar 2026 14:22:45 +0530
Subject: [PATCH] avcodec/alsdec: preserve full float value in zero-truncated
 samples

Signed-off-by: Priyanshu Thapliyal <priyanshuthapliyal2005@gmail.com>
(cherry picked from commit d1bcaab230917250455bc66cefa05b7e77a651ef)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavcodec/alsdec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/alsdec.c b/libavcodec/alsdec.c
index 7d1941a659..e453aae9e5 100644
--- a/libavcodec/alsdec.c
+++ b/libavcodec/alsdec.c
@@ -1619,7 +1619,7 @@ static int read_diff_float_data(ALSDecContext *ctx, unsigned int ra_frame) {
                 tmp_32 = (sign << 31) | ((e + EXP_BIAS) << 23) | (mantissa);
                 ctx->raw_samples[c][i] = tmp_32;
             } else {
-                ctx->raw_samples[c][i] = raw_mantissa[c][i] & 0x007fffffUL;
+                ctx->raw_samples[c][i] = raw_mantissa[c][i];
             }
         }
         align_get_bits(gb);