82 lines
2 KiB
C++
82 lines
2 KiB
C++
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#ifndef _library__oggopus__hpp__included__
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#define _library__oggopus__hpp__included__
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#include "ogg.hpp"
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#include <functional>
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/**
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* OggOpus header structure.
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*/
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struct oggopus_header
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{
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uint8_t version;
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uint8_t channels;
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uint16_t preskip;
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uint32_t rate;
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int16_t gain;
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uint8_t map_family;
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uint8_t streams;
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uint8_t coupled;
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uint8_t chanmap[255];
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};
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/**
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* OggOpus tags structure
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*/
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struct oggopus_tags
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{
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std::string vendor;
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std::vector<std::string> comments;
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};
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/**
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* Parse Ogg packet as OggOpus header.
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*
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* Parameter pacekt: The packet to parse.
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* Returns: Parsed data.
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* Throws std::runtime_error: Not valid OggOpus header page.
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*/
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struct oggopus_header parse_oggopus_header(struct ogg_packet& packet) throw(std::runtime_error);
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/**
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* Serialize OggOpus header as an Ogg page.
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*
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* Parameter header: The header.
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* Returns: The serialized page.
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* Throws std::runtime_error: Not valid OggOpus header packet.
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*/
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struct ogg_page serialize_oggopus_header(struct oggopus_header& header) throw(std::runtime_error);
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/**
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* Parse Ogg packet as OggOpus comment.
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*
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* Parameter packet: The packet to parse.
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* Returns: Parsed data.
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* Throws std::runtime_error: Not valid OggOpus comment packet.
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*/
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struct oggopus_tags parse_oggopus_tags(struct ogg_packet& packet) throw(std::bad_alloc, std::runtime_error);
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/**
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* Serialize OggOpus comments as Ogg pages.
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*
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* Parameter tags: The comments.
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* Parameter output: Callback to call on each serialized page on turn.
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* Parameter strmid: The stream id to use.
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* Returns: Next sequence number to use.
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* Throws std::runtime_error: Not valid OggOpus comments.
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*/
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uint32_t serialize_oggopus_tags(struct oggopus_tags& tags, std::function<void(const ogg_page& p)> output,
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uint32_t strmid) throw(std::bad_alloc, std::runtime_error);
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/**
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* Get tick (2.5ms) count from opus packet.
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*
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* Parameter packet: The packet data.
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* Parameter packetsize: The size of packet.
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*
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* Note: Guaranteed not to read more than 2 bytes from the packet.
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*/
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uint8_t opus_packet_tick_count(const uint8_t* packet, size_t packetsize);
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#endif
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