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/*
* (C) 2003-2006 Gabest
* (C) 2006-2013 see Authors.txt
*
* This file is part of MPC-HC.
*
* MPC-HC is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* MPC-HC is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#pragma once
#include "../BaseSplitter/BaseSplitter.h"
#pragma pack(push, 1)
struct OggPageHeader {
DWORD capture_pattern;
BYTE stream_structure_version;
BYTE header_type_flag;
enum { continued = 1, first = 2, last = 4 };
__int64 granule_position;
DWORD bitstream_serial_number;
DWORD page_sequence_number;
DWORD CRC_checksum;
BYTE number_page_segments;
};
struct OggVorbisIdHeader {
DWORD vorbis_version;
BYTE audio_channels;
DWORD audio_sample_rate;
DWORD bitrate_maximum;
DWORD bitrate_nominal;
DWORD bitrate_minimum;
BYTE blocksize_0: 4;
BYTE blocksize_1: 4;
BYTE framing_flag;
};
struct OggVideoHeader {
DWORD w, h;
};
struct OggAudioHeader {
WORD nChannels, nBlockAlign;
DWORD nAvgBytesPerSec;
};
struct OggStreamHeader {
char streamtype[8], subtype[4];
DWORD size;
__int64 time_unit, samples_per_unit;
DWORD default_len;
DWORD buffersize;
WORD bps;
WORD alignmentfix1;
union {
OggVideoHeader v;
OggAudioHeader a;
};
DWORD alignmentfix2;
};
#pragma pack(pop)
class OggPage : public CAtlArray<BYTE>
{
public:
OggPageHeader m_hdr;
CAtlList<int> m_lens;
OggPage() {
memset(&m_hdr, 0, sizeof(m_hdr));
}
};
class COggFile : public CBaseSplitterFile
{
HRESULT Init();
public:
COggFile(IAsyncReader* pAsyncReader, HRESULT& hr);
bool Sync(HANDLE hBreak = nullptr);
bool Read(OggPageHeader& hdr, HANDLE hBreak = nullptr);
bool Read(OggPage& page, bool fFull = true, HANDLE hBreak = nullptr);
};
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