118 lines
2.1 KiB
C++
118 lines
2.1 KiB
C++
#include "avi_yuv_decoder.h"
|
|
#include "../Winamp/wa_ipc.h"
|
|
#include <limits.h>
|
|
#include <bfc/error.h>
|
|
#include <intsafe.h>
|
|
|
|
int BMP_GetMallocSize(int32_t height, int32_t width, int32_t bits_per_pixel, size_t *out_frame_bytes);
|
|
|
|
AVIYUV *AVIYUV::CreateDecoder(nsavi::video_format *stream_format)
|
|
{
|
|
AVIYUV *decoder = new AVIYUV( stream_format);
|
|
if (!decoder)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
if (decoder->Initialize() != NErr_Success)
|
|
{
|
|
delete decoder;
|
|
return 0;
|
|
}
|
|
return decoder;
|
|
}
|
|
|
|
|
|
AVIYUV::AVIYUV(nsavi::video_format *stream_format) : stream_format(stream_format)
|
|
{
|
|
video_frame=0;
|
|
video_frame_size_bytes=0;
|
|
o=false;
|
|
}
|
|
|
|
AVIYUV::~AVIYUV()
|
|
{
|
|
free(video_frame);
|
|
}
|
|
|
|
|
|
int AVIYUV::Initialize()
|
|
{
|
|
size_t frame_bytes;
|
|
int ret = BMP_GetMallocSize(stream_format->height, stream_format->width, 16, &frame_bytes);
|
|
if (ret != NErr_Success)
|
|
return ret;
|
|
|
|
video_frame=malloc(frame_bytes);
|
|
if (!video_frame)
|
|
return NErr_OutOfMemory;
|
|
|
|
video_frame_size_bytes = frame_bytes;
|
|
return NErr_Success;
|
|
}
|
|
|
|
int AVIYUV::GetOutputProperties(int *x, int *y, int *color_format, double *aspect_ratio, int *flip)
|
|
{
|
|
if (stream_format)
|
|
{
|
|
*x = stream_format->width;
|
|
*y = stream_format->height;
|
|
//*flip = 1;
|
|
*color_format = stream_format->compression;
|
|
return AVI_SUCCESS;
|
|
}
|
|
|
|
return AVI_FAILURE;
|
|
}
|
|
|
|
int AVIYUV::DecodeChunk(uint16_t type, const void *inputBuffer, size_t inputBufferBytes)
|
|
{
|
|
if (stream_format)
|
|
{
|
|
if (video_frame_size_bytes < inputBufferBytes)
|
|
return AVI_FAILURE;
|
|
memcpy(video_frame, inputBuffer, inputBufferBytes);
|
|
//video_frame = inputBuffer; // heh
|
|
o=true;
|
|
return AVI_SUCCESS;
|
|
}
|
|
|
|
return AVI_FAILURE;
|
|
}
|
|
|
|
void AVIYUV::Flush()
|
|
{
|
|
|
|
}
|
|
|
|
int AVIYUV::GetPicture(void **data, void **decoder_data)
|
|
{
|
|
if (o && video_frame)
|
|
{
|
|
*data =(void *) video_frame;
|
|
*decoder_data=0;
|
|
//video_frame=0;
|
|
o=false;
|
|
//video_outputted=true;
|
|
return AVI_SUCCESS;
|
|
}
|
|
|
|
return AVI_FAILURE;
|
|
}
|
|
|
|
void AVIYUV::Close()
|
|
{
|
|
delete this;
|
|
}
|
|
|
|
|
|
#define CBCLASS AVIYUV
|
|
START_DISPATCH;
|
|
CB(GET_OUTPUT_PROPERTIES, GetOutputProperties)
|
|
CB(DECODE_CHUNK, DecodeChunk)
|
|
VCB(FLUSH, Flush)
|
|
VCB(CLOSE, Close)
|
|
CB(GET_PICTURE, GetPicture)
|
|
END_DISPATCH;
|
|
#undef CBCLASS
|