support direct yuv texture upload (limited) and update dvt

This commit is contained in:
Green Sky 2024-10-05 13:53:55 +02:00
parent 050af74ef2
commit 7886dc5e39
No known key found for this signature in database
5 changed files with 118 additions and 38 deletions

View File

@ -59,7 +59,7 @@ struct DebugVideoTapSink : public FrameStream2SinkI<SDLVideoFrame> {
std::shared_ptr<FrameStream2I<SDLVideoFrame>> subscribe(void) override {
_writers.emplace_back(Writer{
Writer::View{_id_counter++},
std::make_shared<PushConversionVideoStream<LockedFrameStream2<SDLVideoFrame>>>(SDL_PIXELFORMAT_RGBA32)
std::make_shared<PushConversionVideoStream<LockedFrameStream2<SDLVideoFrame>>>(SDL_PIXELFORMAT_IYUV)
});
return _writers.back().stream;
@ -189,7 +189,7 @@ float DebugVideoTap::render(void) {
std::string window_title {"DebugVideoTap #"};
window_title += std::to_string(view._id);
ImGui::SetNextWindowSize({400, 420}, ImGuiCond_Appearing);
if (ImGui::Begin(window_title.c_str())) {
if (ImGui::Begin(window_title.c_str(), nullptr, ImGuiWindowFlags_NoScrollbar)) {
while (auto new_frame_opt = stream->pop()) {
// timing
if (view._v_last_ts == 0) {
@ -209,20 +209,21 @@ float DebugVideoTap::render(void) {
SDL_Surface* new_frame_surf = new_frame_opt.value().surface.get();
SDL_Surface* converted_surf = new_frame_surf;
if (new_frame_surf->format != SDL_PIXELFORMAT_RGBA32) {
// we need to convert
//std::cerr << "DVT: need to convert\n";
converted_surf = SDL_ConvertSurfaceAndColorspace(new_frame_surf, SDL_PIXELFORMAT_RGBA32, nullptr, SDL_COLORSPACE_RGB_DEFAULT, 0);
assert(converted_surf->format == SDL_PIXELFORMAT_RGBA32);
}
//if (new_frame_surf->format != SDL_PIXELFORMAT_RGBA32) {
// // we need to convert
// //std::cerr << "DVT: need to convert\n";
// converted_surf = SDL_ConvertSurfaceAndColorspace(new_frame_surf, SDL_PIXELFORMAT_RGBA32, nullptr, SDL_COLORSPACE_RGB_DEFAULT, 0);
// assert(converted_surf->format == SDL_PIXELFORMAT_RGBA32);
//}
SDL_LockSurface(converted_surf);
if (view._tex == 0 || (int)view._tex_w != converted_surf->w || (int)view._tex_h != converted_surf->h) {
_tu.destroy(view._tex);
view._tex = _tu.uploadRGBA(
view._tex = _tu.upload(
static_cast<const uint8_t*>(converted_surf->pixels),
converted_surf->w,
converted_surf->h,
TextureUploaderI::IYUV, // forced conversion
TextureUploaderI::LINEAR,
TextureUploaderI::STREAMING
);
@ -230,22 +231,24 @@ float DebugVideoTap::render(void) {
view._tex_w = converted_surf->w;
view._tex_h = converted_surf->h;
} else {
_tu.updateRGBA(view._tex, static_cast<const uint8_t*>(converted_surf->pixels), converted_surf->w * converted_surf->h * 4);
//_tu.update(view._tex, static_cast<const uint8_t*>(converted_surf->pixels), converted_surf->w * converted_surf->h * 4);
_tu.update(view._tex, static_cast<const uint8_t*>(converted_surf->pixels), converted_surf->w * converted_surf->h * 3/2);
//_tu.updateRGBA(view._tex, static_cast<const uint8_t*>(converted_surf->pixels), converted_surf->w * converted_surf->h * 4);
}
SDL_UnlockSurface(converted_surf);
if (new_frame_surf != converted_surf) {
// clean up temp
SDL_DestroySurface(converted_surf);
}
//if (new_frame_surf != converted_surf) {
// // clean up temp
// SDL_DestroySurface(converted_surf);
//}
}
ImGui::Checkbox("mirror", &view._mirror);
ImGui::Checkbox("mirror ", &view._mirror);
// img here
if (view._tex != 0) {
ImGui::SameLine();
ImGui::Text("%dx%d ~avg interval: %.0fms (%.2ffps)", view._tex_w, view._tex_h, view._v_interval_avg*1000.f, 1.f/view._v_interval_avg);
ImGui::Text("%dx%d interval: ~%.0fms (%.2ffps)", view._tex_w, view._tex_h, view._v_interval_avg*1000.f, 1.f/view._v_interval_avg);
const float img_w = ImGui::GetContentRegionAvail().x;
ImGui::Image(
reinterpret_cast<ImTextureID>(view._tex),

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@ -5,6 +5,7 @@
#include <cassert>
#include <chrono> // meh
#include <iostream> // meh
template<typename RealStream>
@ -20,6 +21,7 @@ struct PushConversionVideoStream : public RealStream {
SDL_Surface* surf = value.surface.get();
if (surf->format != _forced_format) {
//std::cerr << "PCVS: need to convert from " << SDL_GetPixelFormatName(surf->format) << " to " << SDL_GetPixelFormatName(_forced_format) << "\n";
//const auto start = std::chrono::steady_clock::now();
if ((surf = SDL_ConvertSurface(surf, _forced_format)) == nullptr) {
surf = value.surface.get(); // reset ptr
//std::cerr << "PCVS warning: default conversion failed: " << SDL_GetError() << "\n";
@ -42,15 +44,16 @@ struct PushConversionVideoStream : public RealStream {
}
}
}
//const auto end = std::chrono::steady_clock::now();
//std::cerr << "PCVS: conversion took " << std::chrono::duration_cast<std::chrono::milliseconds>(end-start).count() << "ms\n";
if (surf == nullptr) {
// oh god
std::cerr << "PCVS error: failed to convert surface to IYUV: " << SDL_GetError() << "\n";
std::cerr << "PCVS error: failed to convert surface to " << SDL_GetPixelFormatName(_forced_format) << ": " << SDL_GetError() << "\n";
return false;
}
}
assert(surf != nullptr);
if (surf != value.surface.get()) {
assert(surf != nullptr);
// TODO: add ctr with uptr
SDLVideoFrame new_value{value.timestampUS, nullptr};
new_value.surface = {

View File

@ -3,23 +3,59 @@
#include <cassert>
#include <cstdint>
#include <cstring>
#include <memory>
#include <iostream>
static SDL_PixelFormat format2sdl(TextureUploaderI::Format format) {
switch (format) {
case TextureUploaderI::Format::RGBA: return SDL_PIXELFORMAT_RGBA32;
//case TextureUploaderI::Format::RGB: return SDL_PIXELFORMAT_RGB24;
case TextureUploaderI::Format::IYUV: return SDL_PIXELFORMAT_IYUV;
case TextureUploaderI::Format::YV12: return SDL_PIXELFORMAT_YV12;
case TextureUploaderI::Format::NV12: return SDL_PIXELFORMAT_NV12;
case TextureUploaderI::Format::NV21: return SDL_PIXELFORMAT_NV21;
case TextureUploaderI::Format::MAX: return SDL_PIXELFORMAT_UNKNOWN;
}
return SDL_PIXELFORMAT_UNKNOWN;
}
SDLRendererTextureUploader::SDLRendererTextureUploader(SDL_Renderer* renderer_) :
renderer(renderer_)
{
}
uint64_t SDLRendererTextureUploader::uploadRGBA(const uint8_t* data, uint32_t width, uint32_t height, Filter filter, Access access) {
// TODO: test if pitch is 4 or 4*width
SDL_Surface* surf = SDL_CreateSurfaceFrom(
width, height,
SDL_PIXELFORMAT_RGBA32, // auto big/little
(void*)data,
4*width
);
assert(surf); // TODO: add error reporting
return upload(data, width, height, Format::RGBA, filter, access);
}
bool SDLRendererTextureUploader::updateRGBA(uint64_t tex_id, const uint8_t* data, size_t size) {
return update(tex_id, data, size);
}
uint64_t SDLRendererTextureUploader::upload(const uint8_t* data, uint32_t width, uint32_t height, Format format, Filter filter, Access access) {
const auto sdl_format = format2sdl(format);
if (sdl_format == SDL_PIXELFORMAT_UNKNOWN) {
std::cerr << "SDLRTU error: unsupported format '" << format << "'\n";
return 0;
}
// TODO: why do we even create a non owning surface here???
std::unique_ptr<SDL_Surface, decltype(&SDL_DestroySurface)> surf = {
SDL_CreateSurfaceFrom(
width, height,
sdl_format,
(void*)data,
4*width // ???
),
&SDL_DestroySurface
};
assert(surf);
if (!surf) {
std::cerr << "SDLRTU error: surf creation failed " << SDL_GetError() << "\n";
return 0;
}
SDL_Texture* tex = SDL_CreateTexture(
renderer,
@ -27,12 +63,33 @@ uint64_t SDLRendererTextureUploader::uploadRGBA(const uint8_t* data, uint32_t wi
access == Access::STREAMING ? SDL_TEXTUREACCESS_STREAMING : SDL_TEXTUREACCESS_STATIC,
surf->w, surf->h
);
assert(tex); // TODO: add error reporting
// TODO: error reporting
SDL_UpdateTexture(tex, nullptr, surf->pixels, surf->pitch);
assert(tex);
if (tex == nullptr) {
std::cerr << "SDLRTU error: tex creation failed " << SDL_GetError() << "\n";
return 0;
}
bool need_to_lock = SDL_MUSTLOCK(surf);
if (need_to_lock) {
if (!SDL_LockSurface(surf.get())) {
std::cerr << "SDLRTU error: failed to lock surface " << SDL_GetError() << "\n";
SDL_DestroyTexture(tex);
return 0;
}
}
if (!SDL_UpdateTexture(tex, nullptr, surf->pixels, surf->pitch)) {
std::cerr << "SDLRTU error: tex update failed " << SDL_GetError() << "\n";
}
if (need_to_lock) {
// error check?
SDL_UnlockSurface(surf.get());
}
SDL_BlendMode surf_blend_mode = SDL_BLENDMODE_NONE;
if (SDL_GetSurfaceBlendMode(surf, &surf_blend_mode)) {
if (SDL_GetSurfaceBlendMode(surf.get(), &surf_blend_mode)) {
SDL_SetTextureBlendMode(tex, surf_blend_mode);
}
@ -42,12 +99,10 @@ uint64_t SDLRendererTextureUploader::uploadRGBA(const uint8_t* data, uint32_t wi
SDL_SetTextureScaleMode(tex, SDL_SCALEMODE_LINEAR);
}
SDL_DestroySurface(surf);
return reinterpret_cast<uint64_t>(tex);
}
bool SDLRendererTextureUploader::updateRGBA(uint64_t tex_id, const uint8_t* data, size_t size) {
bool SDLRendererTextureUploader::update(uint64_t tex_id, const uint8_t* data, size_t size) {
auto* texture = static_cast<SDL_Texture*>(reinterpret_cast<void*>(tex_id));
if (texture == nullptr) {
return false;

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@ -12,6 +12,8 @@ struct SDLRendererTextureUploader : public TextureUploaderI {
uint64_t uploadRGBA(const uint8_t* data, uint32_t width, uint32_t height, Filter filter, Access access) override;
bool updateRGBA(uint64_t tex_id, const uint8_t* data, size_t size) override;
uint64_t upload(const uint8_t* data, uint32_t width, uint32_t height, Format format, Filter filter, Access access) override;
bool update(uint64_t tex_id, const uint8_t* data, size_t size) override;
void destroy(uint64_t tex_id) override;
};

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@ -4,7 +4,7 @@
#include <cstddef>
struct TextureUploaderI {
static constexpr const char* version {"2"};
static constexpr const char* version {"3"};
enum Filter {
NEAREST,
@ -17,13 +17,30 @@ struct TextureUploaderI {
// target?
};
enum Format {
RGBA,
//RGB,
IYUV,
YV12,
NV12,
NV21,
MAX
};
virtual ~TextureUploaderI(void) {}
virtual uint64_t uploadRGBA(const uint8_t* data, uint32_t width, uint32_t height, Filter filter = LINEAR, Access access = STATIC) = 0;
[[deprecated]] virtual uint64_t uploadRGBA(const uint8_t* data, uint32_t width, uint32_t height, Filter filter = LINEAR, Access access = STATIC) = 0;
// keeps width height filter
// TODO: wh instead of size?
virtual bool updateRGBA(uint64_t tex_id, const uint8_t* data, size_t size) = 0;
[[deprecated]] virtual bool updateRGBA(uint64_t tex_id, const uint8_t* data, size_t size) = 0;
// use upload to create a texture, and update to update existing
virtual uint64_t upload(const uint8_t* data, uint32_t width, uint32_t height, Format format = RGBA, Filter filter = LINEAR, Access access = STATIC) = 0;
virtual bool update(uint64_t tex_id, const uint8_t* data, size_t size) = 0;
virtual void destroy(uint64_t tex_id) = 0;
};