ImageEncoder/VideoDecoder.cpp at master · ThenTech/ImageEncoder · GitHub

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#include "VideoDecoder.hpp"

#include "main.hpp"

#include "Logger.hpp"

#include <cassert>

dc::VideoDecoder::VideoDecoder(const std::string &source_file,

const std::string &dest_file,

const bool &motioncomp)

: VideoProcessor(source_file, dest_file, motioncomp)

{

// Verify settings

assert(this->width % dc::BlockSize == 0);

assert(this->height % dc::BlockSize == 0);

// Same data stats before decoding starts

const float hdrlen = float(this->reader->get_position()) / 8.0f;

const float datlen = float(this->reader->get_size()) - hdrlen;

util::Logger::WriteLn(std::string_format("[VideoDecoder] Loaded %dx%d video with "

"%.1f bytes header and %.1f bytes data.",

this->width, this->height, hdrlen, datlen));

// Create the output buffer

const size_t total_frame_size = this->frame_buffer_size + this->frame_garbage_size;

this->writer = util::allocVar<util::BitStreamWriter>(total_frame_size * this->frame_count);

}

dc::VideoDecoder::~VideoDecoder(void) {

// Empty

}

bool dc::VideoDecoder::process(void) {

bool success = true;

util::Logger::WriteLn("[VideoDecoder] Processing video...");

success = VideoProcessor::process(this->writer->get_buffer());

const size_t frame_count = this->frames->size();

size_t frameid = 0u;

util::Logger::WriteLn("[VideoDecoder] Processing Frames...");

util::Logger::WriteProgress(0, frame_count);

for (dc::Frame* f : *this->frames) {

util::Logger::Pause();

f->loadFromStream(*this->reader, this->motioncomp);

f->streamEncoded(*this->writer);

util::Logger::Resume();

util::Logger::WriteProgress(++frameid, frame_count);

}

util::Logger::WriteLn("", false);

// Buffer is written implicitly

this->writer->set_position(this->writer->get_size_bits());

return success;

}

void dc::VideoDecoder::saveResult(void) const {

VideoProcessor::saveResult(false);

}

ImageEncoder/VideoDecoder.cpp at master · ThenTech/ImageEncoder · GitHub

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