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ffmpegdecoder: use avfilter system instead of raw swscale commands

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Heh this was inevitable
This commit is contained in:
itsmattkc
2021-05-03 12:10:51 +10:00
parent 0b259d3a63
commit ee6b09f772
7 changed files with 216 additions and 154 deletions
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app/codec/ffmpeg/ffmpegdecoder.h
+13 -9
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@@ -21,7 +21,11 @@
#ifndef FFMPEGDECODER_H
#define FFMPEGDECODER_H
// Fixes weird define issue when including <avfilter.h>
#include <inttypes.h>
extern "C" {
#include <libavfilter/avfilter.h>
#include <libavformat/avformat.h>
#include <libswscale/swscale.h>
#include <libswresample/swresample.h>
@@ -60,7 +64,7 @@ public:
protected:
virtual bool OpenInternal() override;
virtual FramePtr RetrieveVideoInternal(const rational &timecode, const int& divider) override;
virtual FramePtr RetrieveVideoInternal(const rational &timecode, const RetrieveVideoParams& params) override;
virtual bool ConformAudioInternal(const QString& filename, const AudioParams &params, const QAtomicInt* cancelled) override;
virtual void CloseInternal() override;
@@ -108,6 +112,8 @@ private:
};
int GetFilteredFrame(AVPacket *packet, AVFrame *frame, const RetrieveVideoParams &params);
/**
* @brief Handle an FFmpeg error code
*
@@ -118,28 +124,26 @@ private:
*/
static QString FFmpegError(int error_code);
void InitScaler(int divider);
bool InitScaler(const RetrieveVideoParams &params);
void FreeScaler();
//FramePtr RetrieveStillImage(const rational& timecode, const int& divider);
static VideoParams::Format GetNativePixelFormat(AVPixelFormat pix_fmt);
static int GetNativeChannelCount(AVPixelFormat pix_fmt);
static uint64_t ValidateChannelLayout(AVStream *stream);
void FFmpegBufferToNativeBuffer(uint8_t** input_data, int* input_linesize, uint8_t **output_buffer, int *output_linesize);
FFmpegFramePool::ElementPtr GetFrameFromCache(const int64_t& t) const;
void ClearFrameCache();
FFmpegFramePool::ElementPtr RetrieveFrame(const rational &time, int divider);
FFmpegFramePool::ElementPtr RetrieveFrame(const rational &time, const RetrieveVideoParams &params);
void RemoveFirstFrame();
SwsContext* scale_ctx_;
int scale_divider_;
RetrieveVideoParams filter_params_;
AVFilterGraph* filter_graph_;
AVFilterContext* buffersrc_ctx_;
AVFilterContext* buffersink_ctx_;
AVPixelFormat ideal_pix_fmt_;
VideoParams::Format native_pix_fmt_;
int native_channel_count_;