From 1182082c5052edc2a5efd2ac263d57e72ecb61d5 Mon Sep 17 00:00:00 2001
From: Muaz Ahmad <mahmad2000@protonmail.com>
Date: Tue, 28 Nov 2023 15:02:32 +0500
Subject: [PATCH] expand quant range, fix band_len calc

---
 src/util.zig | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/util.zig b/src/util.zig
index 340e672..9066f9b 100644
--- a/src/util.zig
+++ b/src/util.zig
@@ -55,7 +55,7 @@ pub const JobQueue = struct {
     pub fn HasJobs(self: *Self) bool {
         self.mutex.lock();
         defer self.mutex.unlock();
-        return (self.queue.len == 0);
+        return (self.queue.len != 0);
     }
 };
 pub const JobPool = std.heap.MemoryPool(JobQueue.List.Node);
@@ -126,11 +126,11 @@ pub const Buffers = struct {
 
 pub fn gen_qtable(q_max: usize, q: f16, band_range: usize) @Vector(64, f16) {
     var ret: @Vector(64, f16) = [_]f16{0.0} ** 64;
-    const q_min: usize = @intFromFloat(255 - 100 * q);
+    const q_min: usize = @intFromFloat(255 - 250 * q);
     var step = (q_max - q_min) / band_range;
     var idx: usize = 0;
     for (0..16) |band_i| {
-        const band_len = band_i + 1;
+        const band_len = if (band_i < 8) band_i + 1 else 15 - band_i;
         for (0..band_len) |j| {
             if (band_i < band_range) {
                 ret[idx + j] = @floatFromInt(q_min + step * band_i);