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/********************************************************************
* libavio/include/Filter.h
*
* Copyright (c) 2022 Stephen Rhodes
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*********************************************************************/
#ifndef FILTER_H
#define FILTER_H
extern "C" {
#include "libavcodec/avfft.h"
#include "libavfilter/avfilter.h"
#include "libswresample/swresample.h"
#include "libavutil/avstring.h"
#include "libavutil/opt.h"
#include "libavfilter/buffersink.h"
#include "libavfilter/buffersrc.h"
#include "libavformat/avformat.h"
}
#include "Exception.h"
#include "Decoder.h"
namespace avio
{
class Filter
{
public:
Filter(Decoder& decoder, const char* description);
void initVideo();
void initAudio();
~Filter();
void filter(const Frame& f);
AVMediaType mediaType() { return decoder->mediaType; }
Decoder* decoder = NULL;
AVFilterContext* sink_ctx = NULL;
AVFilterContext* src_ctx = NULL;
AVFilterGraph* graph = NULL;
AVFrame* frame = NULL;
Frame tmp;
std::string desc;
uint64_t m_channel_layout = 0;
int width() { return av_buffersink_get_w(sink_ctx); }
int height() { return av_buffersink_get_h(sink_ctx); }
AVPixelFormat pix_fmt() { return (AVPixelFormat)av_buffersink_get_format(sink_ctx); }
AVRational time_base() { return av_buffersink_get_time_base(sink_ctx); }
AVRational frame_rate() { return av_buffersink_get_frame_rate(sink_ctx); }
int sample_rate() { return av_buffersink_get_sample_rate(sink_ctx); }
int channels() { return av_buffersink_get_channels(sink_ctx); }
int64_t channel_layout() { return av_buffersink_get_channel_layout(sink_ctx); }
AVSampleFormat sample_format() { return (AVSampleFormat)av_buffersink_get_format(sink_ctx); }
int frame_size() { return decoder->frame_size(); }
Queue<Frame>* frame_out_q = nullptr;
std::string q_in_name;
std::string q_out_name;
bool show_frames = false;
std::string video_in() const { return std::string(q_in_name); }
std::string video_out() const { return std::string(q_out_name); }
std::string audio_in() const { return std::string(q_in_name); }
std::string audio_out() const { return std::string(q_out_name); }
void set_audio_in(const std::string& name) { q_in_name = std::string(name); }
void set_audio_out(const std::string& name) { q_out_name = std::string(name); }
void set_video_in(const std::string& name) { q_in_name = std::string(name); }
void set_video_out(const std::string& name) { q_out_name = std::string(name); }
ExceptionHandler ex;
};
}
#endif // FILTER_H
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