Files
oak-editor/app/decoder/decoder.cpp
T

132 lines
2.8 KiB
C++

/***
Olive - Non-Linear Video Editor
Copyright (C) 2019 Olive Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
***/
#include "decoder.h"
#include <QCoreApplication>
#include <QDebug>
#include <QFileInfo>
#include "decoder/ffmpeg/ffmpegdecoder.h"
Decoder::Decoder() :
open_(false),
stream_(nullptr)
{
}
Decoder::Decoder(Stream *fs) :
open_(false),
stream_(fs)
{
}
Decoder::~Decoder()
{
}
StreamPtr Decoder::stream()
{
return stream_;
}
void Decoder::set_stream(StreamPtr fs)
{
Close();
stream_ = fs;
}
/*
* DECODER STATIC PUBLIC MEMBERS
*/
QVector<DecoderPtr> ReceiveListOfAllDecoders() {
QVector<DecoderPtr> decoders;
decoders.append(std::make_shared<FFmpegDecoder>());
return decoders;
}
bool Decoder::ProbeMedia(Footage *f)
{
// Check for a valid filename
if (f->filename().isEmpty()) {
qWarning() << QCoreApplication::translate("ProbeMedia", "Tried to probe media with an empty filename");
return false;
}
// Check file exists
if (!QFileInfo::exists(f->filename())) {
qWarning() << QCoreApplication::translate("ProbeMedia", "Tried to probe file that doesn't exist");
return false;
}
// Reset Footage state for probing
f->Clear();
// Create list to iterate through
QVector<DecoderPtr> decoder_list = ReceiveListOfAllDecoders();
// Pass Footage through each Decoder's probe function
for (int i=0;i<decoder_list.size();i++) {
DecoderPtr decoder = decoder_list.at(i);
if (decoder->Probe(f)) {
// We found a Decoder, so we can set this media as valid
f->set_status(Footage::kReady);
// Attach the successful Decoder to this Footage object
f->set_decoder(decoder->id());
// FIXME: Cache the results so we don't have to probe if this media is added a second time
return true;
}
}
// We aren't able to use this Footage
f->set_status(Footage::kInvalid);
f->set_decoder(QString());
return false;
}
DecoderPtr Decoder::CreateFromID(const QString &id)
{
if (id.isEmpty()) {
return nullptr;
}
// Create list to iterate through
QVector<DecoderPtr> decoder_list = ReceiveListOfAllDecoders();
foreach (DecoderPtr d, decoder_list) {
if (d->id() == id) {
return d;
}
}
return nullptr;
}