From 555907ce8dc842ef0859537a0c25443a5e9527bb Mon Sep 17 00:00:00 2001
From: MerryMage <MerryMage@users.noreply.github.com>
Date: Sun, 24 Apr 2016 09:12:15 +0100
Subject: DSP/Pipe: There are 8 pipes

---
 src/audio_core/hle/pipe.cpp | 28 +++++++++++++++++-----------
 src/audio_core/hle/pipe.h   |  4 ++--
 2 files changed, 19 insertions(+), 13 deletions(-)

(limited to 'src')

diff --git a/src/audio_core/hle/pipe.cpp b/src/audio_core/hle/pipe.cpp
index 9381883b4..7ec97dfda 100644
--- a/src/audio_core/hle/pipe.cpp
+++ b/src/audio_core/hle/pipe.cpp
@@ -17,7 +17,7 @@ namespace HLE {
 
 static DspState dsp_state = DspState::Off;
 
-static std::array<std::vector<u8>, static_cast<size_t>(DspPipe::DspPipe_MAX)> pipe_data;
+static std::array<std::vector<u8>, NUM_DSP_PIPE> pipe_data;
 
 void ResetPipes() {
     for (auto& data : pipe_data) {
@@ -27,16 +27,18 @@ void ResetPipes() {
 }
 
 std::vector<u8> PipeRead(DspPipe pipe_number, u32 length) {
-    if (pipe_number >= DspPipe::DspPipe_MAX) {
-        LOG_ERROR(Audio_DSP, "pipe_number = %u invalid", pipe_number);
+    const size_t pipe_index = static_cast<size_t>(pipe_number);
+
+    if (pipe_index >= NUM_DSP_PIPE) {
+        LOG_ERROR(Audio_DSP, "pipe_number = %zu invalid", pipe_index);
         return {};
     }
 
-    std::vector<u8>& data = pipe_data[static_cast<size_t>(pipe_number)];
+    std::vector<u8>& data = pipe_data[pipe_index];
 
     if (length > data.size()) {
-        LOG_WARNING(Audio_DSP, "pipe_number = %u is out of data, application requested read of %u but %zu remain",
-                    pipe_number, length, data.size());
+        LOG_WARNING(Audio_DSP, "pipe_number = %zu is out of data, application requested read of %u but %zu remain",
+                    pipe_index, length, data.size());
         length = data.size();
     }
 
@@ -49,16 +51,20 @@ std::vector<u8> PipeRead(DspPipe pipe_number, u32 length) {
 }
 
 size_t GetPipeReadableSize(DspPipe pipe_number) {
-    if (pipe_number >= DspPipe::DspPipe_MAX) {
-        LOG_ERROR(Audio_DSP, "pipe_number = %u invalid", pipe_number);
+    const size_t pipe_index = static_cast<size_t>(pipe_number);
+
+    if (pipe_index >= NUM_DSP_PIPE) {
+        LOG_ERROR(Audio_DSP, "pipe_number = %zu invalid", pipe_index);
         return 0;
     }
 
-    return pipe_data[static_cast<size_t>(pipe_number)].size();
+    return pipe_data[pipe_index].size();
 }
 
 static void WriteU16(DspPipe pipe_number, u16 value) {
-    std::vector<u8>& data = pipe_data[static_cast<size_t>(pipe_number)];
+    const size_t pipe_index = static_cast<size_t>(pipe_number);
+
+    std::vector<u8>& data = pipe_data.at(pipe_index);
     // Little endian
     data.emplace_back(value & 0xFF);
     data.emplace_back(value >> 8);
@@ -145,7 +151,7 @@ void PipeWrite(DspPipe pipe_number, const std::vector<u8>& buffer) {
         return;
     }
     default:
-        LOG_CRITICAL(Audio_DSP, "pipe_number = %u unimplemented", pipe_number);
+        LOG_CRITICAL(Audio_DSP, "pipe_number = %zu unimplemented", static_cast<size_t>(pipe_number));
         UNIMPLEMENTED();
         return;
     }
diff --git a/src/audio_core/hle/pipe.h b/src/audio_core/hle/pipe.h
index 382d35e87..64d97f8ba 100644
--- a/src/audio_core/hle/pipe.h
+++ b/src/audio_core/hle/pipe.h
@@ -19,9 +19,9 @@ enum class DspPipe {
     Debug = 0,
     Dma = 1,
     Audio = 2,
-    Binary = 3,
-    DspPipe_MAX
+    Binary = 3
 };
+constexpr size_t NUM_DSP_PIPE = 8;
 
 /**
  * Read a DSP pipe.
-- 
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