clyne/stmdspgui
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draw samples: x/y scale progress

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Clyne 2021-10-07 14:22:20 -04:00
parent a4e2375f04
commit e976308b6f
1 changed files with 77 additions and 35 deletions
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112
source/device.cpp
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@ -25,6 +25,7 @@
#include "ImGuiFileDialog.h"
#include "wav.hpp"
#include <array>
#include <charconv>
#include <cmath>
#include <cstdio>
@ -39,23 +40,23 @@ extern void log(const std::string& str);
extern std::vector<stmdsp::dacsample_t> deviceGenLoadFormulaEval(const std::string_view);
static const char *sampleRateList[6] = {
static const std::array<const char *, 6> sampleRateList {{
"8 kHz",
"16 kHz",
"20 kHz",
"32 kHz",
"48 kHz",
"96 kHz"
};
}};
static const char *sampleRatePreview = sampleRateList[0];
static const unsigned int sampleRateInts[6] = {
static const std::array<unsigned int, 6> sampleRateInts {{
8'000,
16'000,
20'000,
32'000,
48'000,
96'000
};
}};
static bool measureCodeTime = false;
static bool drawSamples = false;
@ -104,7 +105,7 @@ static void drawSamplesTask(stmdsp::device *device)
auto bufferTime = std::chrono::high_resolution_clock::now();
while (m_device && m_device->is_running()) {
if (samplesToPush < bufferSize) {
if (samplesToPush < bufferSize || drawSamplesTimeframe < 0.25) {
if (lastReadIndexD >= bufferSize - 1)
lastReadIndexD -= bufferSize - 1;
@ -115,7 +116,7 @@ static void drawSamplesTask(stmdsp::device *device)
std::scoped_lock lock (mutexDrawSamples);
for (; lastReadIndexD < end; lastReadIndexD += 1) {
if (lastReadIndex >= lastReadBuffer.size()) {
auto old = samplesToPush;
//auto old = samplesToPush;
auto now = std::chrono::high_resolution_clock::now();
std::chrono::duration<double> diff = now - bufferTime;
@ -125,7 +126,7 @@ static void drawSamplesTask(stmdsp::device *device)
drawSamplesBuf2 = m_device->continuous_read_input();
if (lastReadBuffer.empty()) {
do {
std::this_thread::sleep_for(std::chrono::microseconds(2));
std::this_thread::sleep_for(std::chrono::microseconds(20));
lastReadBuffer = m_device->continuous_read();
} while (lastReadBuffer.empty() && m_device->is_running());
}
@ -142,6 +143,11 @@ static void drawSamplesTask(stmdsp::device *device)
samplesToPush = (samplesToPush * c / desiredTime) * 0.98;
}
//if (std::abs(old - samplesToPush) > 4) {
// printf("\r%0.2lf", samplesToPush);
// fflush(stdout);
//}
lastReadIndex = 0;
}
@ -169,12 +175,16 @@ static void drawSamplesTask(stmdsp::device *device)
std::chrono::duration<double> diff = now - bufferTime;
bufferTime = now;
double c = diff.count();
if (c < desiredTime) {
samplesToPush = (samplesToPush * c / desiredTime) * 0.98;
}
if (drawSamplesTimeframe >= 0.25) {
double c = diff.count();
if (c < desiredTime) {
samplesToPush = (samplesToPush * c / desiredTime) * 0.98;
}
std::this_thread::sleep_for(std::chrono::microseconds(10));
std::this_thread::sleep_for(std::chrono::microseconds(10));
} else {
std::this_thread::sleep_for(std::chrono::milliseconds(300));
}
}
//if (doLogger) {
@ -346,29 +356,42 @@ void deviceRenderWidgets()
void deviceRenderDraw()
{
if (popupRequestDraw) {
static std::vector<stmdsp::dacsample_t> buffer;
static decltype(buffer.begin()) bufferCursor;
static unsigned int yMinMax = 4095;
//static long unsigned int drawChunkSize = 0;
//static std::chrono::time_point<std::chrono::high_resolution_clock> timee;
ImGui::Begin("draw", &popupRequestDraw);
ImGui::Checkbox("Draw input", &drawSamplesInput);
ImGui::Text("Draw input ");
ImGui::SameLine();
ImGui::Text("| time: %0.3f sec", drawSamplesTimeframe);
ImGui::Checkbox("", &drawSamplesInput);
ImGui::SameLine();
ImGui::Text("Time: %0.3f sec", drawSamplesTimeframe);
ImGui::SameLine();
if (ImGui::Button("-", {30, 0})) {
drawSamplesTimeframe = std::max(drawSamplesTimeframe - 0.25, 0.5);
drawSamplesTimeframe = std::max(drawSamplesTimeframe / 2., 0.0078125);
auto sr = sampleRateInts[m_device->get_sample_rate()];
auto tf = drawSamplesTimeframe;
drawSamplesBufferSize = std::round(sr * tf);
}
ImGui::SameLine();
if (ImGui::Button("+", {30, 0})) {
drawSamplesTimeframe = std::min(drawSamplesTimeframe + 0.25, 30.);
drawSamplesTimeframe = std::min(drawSamplesTimeframe * 2, 32.);
auto sr = sampleRateInts[m_device->get_sample_rate()];
auto tf = drawSamplesTimeframe;
drawSamplesBufferSize = std::round(sr * tf);
}
static std::vector<stmdsp::dacsample_t> buffer;
static decltype(buffer.begin()) bufferCursor;
static long unsigned int drawChunkSize = 0;
static std::chrono::time_point<std::chrono::high_resolution_clock> timee;
ImGui::SameLine();
ImGui::Text("Y-minmax: %u", yMinMax);
ImGui::SameLine();
if (ImGui::Button("--", {30, 0})) {
yMinMax = std::max(63u, yMinMax >> 1);
}
ImGui::SameLine();
if (ImGui::Button("++", {30, 0})) {
yMinMax = std::min(4095u, (yMinMax << 1) | 1);
}
if (buffer.size() != drawSamplesBufferSize) {
buffer.resize(drawSamplesBufferSize);
@ -403,22 +426,41 @@ void deviceRenderDraw()
size.y -= 70;
drawList->AddRectFilled(p0, {p0.x + size.x, p0.y + size.y}, IM_COL32(0, 0, 0, 255));
const unsigned int didx = 1.f / (size.x / static_cast<float>(buffer.size()));
ImVec2 pp = p0;
for (auto i = 0u; i < buffer.size(); i += didx) {
ImVec2 next (pp.x + 1, p0.y + size.y - (float)buffer[i] / 4095.f * size.y);
const float di = static_cast<float>(buffer.size()) / size.x;
const float dx = std::ceil(size.x / static_cast<float>(buffer.size()));
ImVec2 pp = p0;
float i = 0;
while (pp.x < p0.x + size.x) {
unsigned int idx = i;
float n = std::clamp((buffer[idx] - 2048.) / yMinMax, -0.5, 0.5);
i += di;
ImVec2 next (pp.x + dx, p0.y + size.y * (0.5 - n));
drawList->AddLine(pp, next, ImGui::GetColorU32(IM_COL32(255, 0, 0, 255)));
pp = next;
}
if (drawSamplesInput) {
pp = p0;
for (auto i = 0u; i < drawSamplesBuf2.size(); i += didx) {
ImVec2 next (pp.x + 1, p0.y + size.y - (float)buffer[i] / 4095.f * size.y);
drawList->AddLine(pp, next, ImGui::GetColorU32(IM_COL32(0, 0, 255, 255)));
pp = next;
}
}
//const unsigned int didx = std::ceil(1.f / (size.x / static_cast<float>(buffer.size())));
//const auto dx = size.x / buffer.size();
//ImVec2 pp = p0;
//for (auto i = 0u; i < buffer.size(); i += didx) {
// float n = std::clamp((buffer[i] - 2048.) / yMinMax, -0.5, 0.5);
// ImVec2 next (pp.x + 1, p0.y + size.y * (0.5 - n));
// drawList->AddLine(pp, next, ImGui::GetColorU32(IM_COL32(255, 0, 0, 255)));
// pp = next;
//}
//if (drawSamplesInput) {
// pp = p0;
// for (auto i = 0u; i < drawSamplesBuf2.size(); i += didx) {
// ImVec2 next (pp.x + 1,
// p0.y + size.y -
// (static_cast<float>(buffer[i]) / yMinMax) * size.y);
// drawList->AddLine(pp, next, ImGui::GetColorU32(IM_COL32(0, 0, 255, 255)));
// pp = next;
// }
//}
ImGui::End();
}
}
@ -431,8 +473,8 @@ void deviceRenderMenu()
static const char *connectLabel = "Connect";
if (ImGui::MenuItem(connectLabel)) {
connectLabel = isConnected ? "Connect" : "Disconnect";
deviceConnect();
connectLabel = m_device == nullptr ? "Connect" : "Disconnect";
}
ImGui::Separator();
@ -508,7 +550,7 @@ void deviceRenderToolbar()
ImGui::SameLine();
ImGui::SetNextItemWidth(100);
if (ImGui::BeginCombo("", sampleRatePreview)) {
for (int i = 0; i < 6; ++i) {
for (int i = 0; i < sampleRateList.size() - 1; ++i) {
if (ImGui::Selectable(sampleRateList[i])) {
sampleRatePreview = sampleRateList[i];
if (m_device != nullptr && !m_device->is_running()) {