clyne
/
stmdspgui
1
0
Fork 0
Code Issues 2 Pull Requests Projects Releases 1 Wiki Activity

draw samples: x/y scale progress

Browse Source
pull/1/head
Clyne 3 years ago
parent a4e2375f04
commit e976308b6f
1 changed files with 77 additions and 35 deletions
Show Stats Download Patch File Download Diff File

112
source/device.cpp
Unescape Escape View File

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

Write Preview
Loading…
Cancel
Save