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