avcodec/alsdec: fix mantissa unpacking in compressed Part A path

Signed-off-by: Priyanshu Thapliyal <priyanshuthapliyal2005@gmail.com>
2026-03-26 17:59:15 +05:30
parent fd9f1e9c52
commit ae6f233988
1 changed files with 5 additions and 1 deletions
@@ -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;
+                    }
                }
            }
        }