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#include "mkv_mp4v_decoder.h"
#include "../Winamp/wa_ipc.h" // for YV12_PLANES
#include <mmsystem.h>
#include <assert.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_MPEG4/ISO/ASP")
|| !strcmp(codec_id, "V_MPEG4/ISO/SP"))
{
VIDEOINFOHEADER header = {0, };
header.bmiHeader.biHeight = (LONG)video_data->pixel_height;
header.bmiHeader.biWidth = (LONG)video_data->pixel_width;
header.bmiHeader.biCompression = 'v4pm';
MFTDecoder *ctx = new MFTDecoder;
if (!ctx) {
return CREATEDECODER_FAILURE;
}
HRESULT hr = ctx->Open(&header);
if (FAILED(hr)) {
delete ctx;
return CREATEDECODER_FAILURE;
}
if (ctx)
{
if (track_entry_data->codec_private && track_entry_data->codec_private_len) {
// mkv stores headers up to first VOP in codec_private
hr = ctx->Feed(track_entry_data->codec_private, track_entry_data->codec_private_len, 0);
if (FAILED(hr)) {
delete ctx;
return CREATEDECODER_FAILURE;
}
}
*decoder = new MKVMP4V(ctx, video_data);
return CREATEDECODER_SUCCESS;
}
else
{
return CREATEDECODER_FAILURE;
}
}
else 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 == 'DIVX'
|| header->biCompression == '05XD')
{
if (track_entry_data->codec_private_len < 40) {
return CREATEDECODER_FAILURE;
}
VIDEOINFOHEADER video_header = {0, };
memcpy(&video_header.bmiHeader, header, 40);
assert(track_entry_data->codec_private_len == 40);
MFTDecoder *ctx = new MFTDecoder;
if (!ctx) {
return CREATEDECODER_FAILURE;
}
if (FAILED(ctx->Open(&video_header))) {
delete ctx;
return CREATEDECODER_FAILURE;
}
*decoder = new MKVMP4V(ctx, video_data);
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
MKVMP4V::MKVMP4V(MFTDecoder *decoder, const nsmkv::VideoData *video_data) : decoder(decoder), video_data(video_data)
{
}
MKVMP4V::~MKVMP4V()
{
delete decoder;
}
int MKVMP4V::GetOutputProperties(int *x, int *y, int *color_format, double *aspect_ratio)
{
UINT width, height;
bool local_flip=false;
if (SUCCEEDED(decoder->GetOutputFormat(&width, &height, &local_flip, aspect_ratio))) {
*x = width;
*y = height;
*color_format = '21VY';
return MKV_SUCCESS;
}
return MKV_FAILURE;
}
int MKVMP4V::DecodeBlock(const void *inputBuffer, size_t inputBufferBytes, uint64_t timestamp)
{
HRESULT hr;
hr=decoder->Feed(inputBuffer, inputBufferBytes, timestamp);
return MKV_SUCCESS;
}
void MKVMP4V::Flush()
{
if (decoder) {
decoder->Flush();
}
}
int MKVMP4V::GetPicture(void **data, void **decoder_data, uint64_t *timestamp)
{
if (SUCCEEDED(decoder->GetFrame((YV12_PLANES **)data, decoder_data, timestamp))) {
return MKV_SUCCESS;
} else {
return MKV_FAILURE;
}
}
void MKVMP4V::FreePicture(void *data, void *decoder_data)
{
if (decoder) {
decoder->FreeFrame((YV12_PLANES *)data, decoder_data);
}
}
void MKVMP4V::HurryUp(int state)
{
// if (decoder)
// MPEG4Video_HurryUp(decoder, state);
}
void MKVMP4V::Close()
{
delete this;
}
#define CBCLASS MKVMP4V
START_DISPATCH;
CB(GET_OUTPUT_PROPERTIES, GetOutputProperties)
CB(DECODE_BLOCK, DecodeBlock)
VCB(FLUSH, Flush)
CB(GET_PICTURE, GetPicture)
VCB(FREE_PICTURE, FreePicture)
VCB(HURRY_UP, HurryUp)
VCB(CLOSE, Close)
END_DISPATCH;
#undef CBCLASS
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