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winamp/Src/jpeg/avi_mjpg_decoder.h

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2024-09-24 12:54:57 +00:00
#pragma once
#include "../Plugins/Input/in_avi/ifc_avivideodecoder.h"
#include "../Plugins/Input/in_avi/svc_avidecoder.h"
#include "../nsavi/avi_header.h"
#include "loader_jpg.h"
extern "C"
{
#undef FAR
#include "jpeglib.h"
};
// {F54E12B2-1B6B-48ac-B65D-F33B690A4F81}
static const GUID avi_jpeg_guid =
{ 0xf54e12b2, 0x1b6b, 0x48ac, { 0xb6, 0x5d, 0xf3, 0x3b, 0x69, 0xa, 0x4f, 0x81 } };
class AVIDecoderCreator : public svc_avidecoder
{
public:
static const char *getServiceName() { return "JPEG AVI Decoder"; }
static GUID getServiceGuid() { return avi_jpeg_guid; }
int CreateVideoDecoder(const nsavi::AVIH *avi_header, const nsavi::STRH *stream_header, const nsavi::STRF *stream_format, const nsavi::STRD *stream_data, ifc_avivideodecoder **decoder);
protected:
RECVS_DISPATCH;
};
class AVIMJPEG : public ifc_avivideodecoder
{
public:
AVIMJPEG(nsavi::video_format *stream_format);
static AVIMJPEG *CreateDecoder(nsavi::video_format *stream_format);
int GetOutputProperties(int *x, int *y, int *color_format, double *aspect_ratio, int *flip);
int DecodeChunk(uint16_t type, const void *inputBuffer, size_t inputBufferBytes);
void Flush();
void Close();
int GetPicture(void **data, void **decoder_data);
void FreePicture(void *data, void *decoder_data);
private:
nsavi::video_format *stream_format;
JpgLoad *jpegLoader;
int width, height;
int image_size;
void *decoded_image; // UYVY
bool image_outputted;
jpeg_decompress_struct cinfo;
jpeg_error_mgr jerr;
protected:
RECVS_DISPATCH;
};