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#include "mkv_f263_decoder.h"
#include "lib.h"
int MKVDecoderCreator::CreateVideoDecoder(const char *codec_id, const nsmkv::TrackEntryData *track_entry_data, const nsmkv::VideoData *video_data, ifc_mkvvideodecoder **decoder)
{
if (!strcmp(codec_id, "V_MS/VFW/FOURCC"))
{
if (track_entry_data->codec_private && track_entry_data->codec_private_len)
{
const BITMAPINFOHEADER *header = (const BITMAPINFOHEADER *)track_entry_data->codec_private;
if (header->biCompression == '1VLF')
{
void *ctx = F263_CreateDecoder();
*decoder = new MKVFLV1(ctx);
return CREATEDECODER_SUCCESS;
}
}
return CREATEDECODER_NOT_MINE;
}
else
{
return CREATEDECODER_NOT_MINE;
}
}
#define CBCLASS MKVDecoderCreator
START_DISPATCH;
CB(CREATE_VIDEO_DECODER, CreateVideoDecoder)
END_DISPATCH;
#undef CBCLASS
MKVFLV1::MKVFLV1(void *ctx) : decoder(ctx)
{
}
int MKVFLV1::GetOutputProperties(int *x, int *y, int *color_format, double *aspect_ratio)
{
if (width && height)
{
*x = width;
*y = height;
*color_format = '21VY';
*aspect_ratio=1.0;
return MKV_SUCCESS;
}
return MKV_FAILURE;
}
int MKVFLV1::DecodeBlock(const void *inputBuffer, size_t inputBufferBytes, uint64_t timestamp)
{
last_timestamp = (int32_t)timestamp;
int keyframe;
int ret = F263_DecodeFrame(decoder, const_cast<void *>(inputBuffer), inputBufferBytes, &yv12, &width, &height, &keyframe);
if (ret == F263_OK)
{
decoded=1;
return MKV_SUCCESS;
}
else
return MKV_FAILURE;
}
void MKVFLV1::Flush()
{
}
int MKVFLV1::GetPicture(void **data, void **decoder_data, uint64_t *timestamp)
{
if (decoded)
{
*timestamp = last_timestamp;
*decoder_data = 0;
*data = &yv12;
decoded=0;
return MKV_SUCCESS;
}
return MKV_FAILURE;
}
#define CBCLASS MKVFLV1
START_DISPATCH;
CB(GET_OUTPUT_PROPERTIES, GetOutputProperties)
CB(DECODE_BLOCK, DecodeBlock)
VCB(FLUSH, Flush)
CB(GET_PICTURE, GetPicture)
END_DISPATCH;
#undef CBCLASS
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