95 lines
2.4 KiB
C++
95 lines
2.4 KiB
C++
/*
|
|
* QCMA: Cross-platform content manager assistant for the PS Vita
|
|
*
|
|
* Copyright (C) 2013 Codestation
|
|
*
|
|
* 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/>.
|
|
*/
|
|
|
|
#ifndef AVDECODER_H
|
|
#define AVDECODER_H
|
|
|
|
#include <QString>
|
|
|
|
extern "C" {
|
|
#include <libavcodec/avcodec.h>
|
|
#include <libavformat/avformat.h>
|
|
#include <libswscale/swscale.h>
|
|
#include <libavutil/imgutils.h>
|
|
#include <libavutil/mathematics.h>
|
|
#include <libavutil/opt.h>
|
|
}
|
|
|
|
#include <vitamtp.h>
|
|
|
|
class AVDecoder
|
|
{
|
|
public:
|
|
AVDecoder();
|
|
~AVDecoder();
|
|
|
|
enum codec_type {CODEC_VIDEO = AVMEDIA_TYPE_VIDEO, CODEC_AUDIO = AVMEDIA_TYPE_AUDIO};
|
|
|
|
bool open(const QString filename);
|
|
void close();
|
|
bool loadCodec(codec_type codec);
|
|
bool seekVideo(int percentage);
|
|
|
|
QByteArray getThumbnail(int &width, int &height);
|
|
void getAudioMetadata(metadata_t &metadata);
|
|
void getVideoMetadata(metadata_t &metadata);
|
|
const char *getMetadataEntry(const char *key, const char *default_value = NULL);
|
|
|
|
inline int getWidth() {
|
|
return pCodecCtx->width;
|
|
}
|
|
|
|
inline int getHeight() {
|
|
return pCodecCtx->height;
|
|
}
|
|
|
|
inline int getDuration() {
|
|
return pFormatCtx->duration / 1000;
|
|
}
|
|
|
|
inline int getBitrate() {
|
|
return pCodecCtx->bit_rate;
|
|
}
|
|
|
|
// simulate a static constructor to initialize libav only once
|
|
class AvInit
|
|
{
|
|
public:
|
|
AvInit() {
|
|
// hide warning logs
|
|
av_log_set_level(AV_LOG_ERROR);
|
|
}
|
|
};
|
|
|
|
static AvInit init;
|
|
|
|
private:
|
|
AVFrame *getDecodedFrame(AVCodecContext *pCodecCtx, int stream_index);
|
|
QByteArray WriteJPEG(AVCodecContext *pCodecCtx, AVFrame *pFrame, int width, int height);
|
|
|
|
AVFormatContext *pFormatCtx;
|
|
AVCodecContext *pCodecCtx;
|
|
AVStream *av_stream;
|
|
const AVCodec *av_codec;
|
|
int stream_index;
|
|
bool codec_loaded;
|
|
};
|
|
|
|
#endif // AVDECODER_H
|