From 2d77a6f5d3beae3b341e4a7f331202bd1a010508 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?B=C5=82a=C5=BCej=20Szczygie=C5=82?= <spaz16@wp.pl>
Date: Mon, 17 Oct 2016 17:13:34 +0200
Subject: Add libsimplewebm and libwebm thirdparty libraries

---
 thirdparty/libsimplewebm/WebMDemuxer.hpp | 125 +++++++++++++++++++++++++++++++
 1 file changed, 125 insertions(+)
 create mode 100644 thirdparty/libsimplewebm/WebMDemuxer.hpp

(limited to 'thirdparty/libsimplewebm/WebMDemuxer.hpp')

diff --git a/thirdparty/libsimplewebm/WebMDemuxer.hpp b/thirdparty/libsimplewebm/WebMDemuxer.hpp
new file mode 100644
index 0000000000..a45ddb3f26
--- /dev/null
+++ b/thirdparty/libsimplewebm/WebMDemuxer.hpp
@@ -0,0 +1,125 @@
+/*
+	MIT License
+
+	Copyright (c) 2016 Błażej Szczygieł
+
+	Permission is hereby granted, free of charge, to any person obtaining a copy
+	of this software and associated documentation files (the "Software"), to deal
+	in the Software without restriction, including without limitation the rights
+	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+	copies of the Software, and to permit persons to whom the Software is
+	furnished to do so, subject to the following conditions:
+
+	The above copyright notice and this permission notice shall be included in all
+	copies or substantial portions of the Software.
+
+	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+	SOFTWARE.
+*/
+
+#ifndef WEBMDEMUXER_HPP
+#define WEBMDEMUXER_HPP
+
+#include <stddef.h>
+
+namespace mkvparser {
+	class IMkvReader;
+	class Segment;
+	class Cluster;
+	class Block;
+	class BlockEntry;
+	class VideoTrack;
+	class AudioTrack;
+}
+
+class WebMFrame
+{
+	WebMFrame(const WebMFrame &);
+	void operator =(const WebMFrame &);
+public:
+	WebMFrame();
+	~WebMFrame();
+
+	inline bool isValid() const
+	{
+		return bufferSize > 0;
+	}
+
+	long bufferSize, bufferCapacity;
+	unsigned char *buffer;
+	double time;
+	bool key;
+};
+
+class WebMDemuxer
+{
+	WebMDemuxer(const WebMDemuxer &);
+	void operator =(const WebMDemuxer &);
+public:
+	enum VIDEO_CODEC
+	{
+		NO_VIDEO,
+		VIDEO_VP8,
+		VIDEO_VP9
+	};
+	enum AUDIO_CODEC
+	{
+		NO_AUDIO,
+		AUDIO_VORBIS,
+		AUDIO_OPUS
+	};
+
+	WebMDemuxer(mkvparser::IMkvReader *reader, int videoTrack = 0, int audioTrack = 0);
+	~WebMDemuxer();
+
+	inline bool isOpen() const
+	{
+		return m_isOpen;
+	}
+	inline bool isEOS() const
+	{
+		return m_eos;
+	}
+
+	double getLength() const;
+
+	VIDEO_CODEC getVideoCodec() const;
+	int getWidth() const;
+	int getHeight() const;
+
+	AUDIO_CODEC getAudioCodec() const;
+	const unsigned char *getAudioExtradata(size_t &size) const; // Needed for Vorbis
+	double getSampleRate() const;
+	int getChannels() const;
+	int getAudioDepth() const;
+
+	bool readFrame(WebMFrame *videoFrame, WebMFrame *audioFrame);
+
+private:
+	inline bool notSupportedTrackNumber(long videoTrackNumber, long audioTrackNumber) const;
+
+	mkvparser::IMkvReader *m_reader;
+	mkvparser::Segment *m_segment;
+
+	const mkvparser::Cluster *m_cluster;
+	const mkvparser::Block *m_block;
+	const mkvparser::BlockEntry *m_blockEntry;
+
+	int m_blockFrameIndex;
+
+	const mkvparser::VideoTrack *m_videoTrack;
+	VIDEO_CODEC m_vCodec;
+
+	const mkvparser::AudioTrack *m_audioTrack;
+	AUDIO_CODEC m_aCodec;
+
+	bool m_isOpen;
+	bool m_eos;
+};
+
+#endif // WEBMDEMUXER_HPP
-- 
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