From fd9eab30990e2a5f2ffcb96775d3f2ee86d27183 Mon Sep 17 00:00:00 2001
From: Sebastian Krzyszkowiak <dos@dosowisko.net>
Date: Tue, 5 Sep 2023 05:42:18 +0200
Subject: [PATCH] bl00mbox: Load wave samples 5 seconds at a time
Makes it fast enough that many apps that have loading screens
don't need it anymore.
---
python_payload/bl00mbox/_patches.py | 17 +++++++++++------
1 file changed, 11 insertions(+), 6 deletions(-)
diff --git a/python_payload/bl00mbox/_patches.py b/python_payload/bl00mbox/_patches.py
index a4d3608a33..9a5ec12db0 100644
--- a/python_payload/bl00mbox/_patches.py
+++ b/python_payload/bl00mbox/_patches.py
@@ -152,24 +152,29 @@ class sampler(_Patch):
frames = self.memory_len
self.sample_len = frames
+ BUFFER_SIZE = 48000 * 5
+
if f.getnchannels() == 1:
# fast path for mono
table = self.plugins.sampler.table_bytearray
for i in range(
2 * self.buffer_offset_i16,
(self.sample_len + self.buffer_offset_i16) * 2,
- 100,
+ BUFFER_SIZE * 2,
):
- table[i : i + 100] = f.readframes(50)
+ table[i : i + BUFFER_SIZE * 2] = f.readframes(BUFFER_SIZE)
else:
# somewhat fast path for stereo
table = self.plugins.sampler.table_int16_array
for i in range(
- self.buffer_offset_i16, self.sample_len + self.buffer_offset_i16
+ self.buffer_offset_i16,
+ self.sample_len + self.buffer_offset_i16,
+ BUFFER_SIZE,
):
- frame = f.readframes(1)
- value = int.from_bytes(frame[0:2], "little")
- table[i] = value
+ frame = f.readframes(BUFFER_SIZE)
+ for j in range(0, len(frame) // 4):
+ value = int.from_bytes(frame[4 * j : 4 * j + 2], "little")
+ table[i + j] = value
f.close()
def save(self, filename, overwrite=True):
--
GitLab