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64 lines
No EOL
2.8 KiB
C++
64 lines
No EOL
2.8 KiB
C++
#pragma once
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/*
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Service for creating Audio Encoders which encode straight to a file.
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This interface is not meant to do the encoding itself, it is a factory to create and destroy
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encoder objects (ifc_audioFileEncoder)
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*/
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#include <bfc/dispatch.h>
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#include "ifc_audioFileEncoder.h"
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#include "../DecodeFile/api_decodefile.h" // for AudioParameters struct
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#include <bfc/std_mkncc.h> // for MKnCC()
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class svc_audioFileEncoder : public Dispatchable
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{
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protected:
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svc_audioFileEncoder() {}
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~svc_audioFileEncoder() {}
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public:
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static FOURCC getServiceType() { return svc_albumArtProvider::SERVICETYPE; }
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/*
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General parameter notes (for all methods of this class):
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@param profile is a filename of an INI file where the encoder settings are stored
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@param parameters defines the input audio data. For methods where this parameter
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is optional (default parameter value == 0), it is meant to be passed to optionally
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limit configuration choices. For example, an AAC encoder could hide surround-sound
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encoding options when parameters->channels == 2
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*/
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// return a user-friendly name for the encoder,
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// e.g. "Nullsoft FLAC encoder v2.1"
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const wchar_t *GetName();
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// retrieve information about a particular profile
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// @param profile_item information to retrieve. currently, there are only three defined strings
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// "bitrate" -- retrieve an estimate bitrate (in kbps) for the profile
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// "profile" -- retrieve a more specific name for a given profile (and optional input parameters)
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// e.g. an AAC encoder could return "HE-AAC v2, 16kbps, MP4 File Format" or "AAC LC, ADTS stream"
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// "settings" -- retrieve a string that codifies the settings in the profile
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// for most codecs, this should mirror what the commandline string would be for the corresponding
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// commandline codec (flac.exe, lame.exe, etc).
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// e.g. "-V 2"
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int GetProfileInfo(const wchar_t *profile, const wchar_t *profile_item, wchar_t *value, size_t value_cch, const AudioParameters *parameters = 0);
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// not currently used for anything
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int SetProfileInfo(const wchar_t *profile, const wchar_t *profile_item, const wchar_t *value, AudioParameters *parameters = 0);
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// this function gets the party started. call after you have opened your input file (thru
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// api_decodefile, for example) so you can pass in a valid parameters struct.
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// @param filename destination filename
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int Create(ifc_audioFileEncoder **encoder, const wchar_t *filename, const wchar_t *profile, const AudioParameters *parameters);
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// call this when you are done
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void Destroy(ifc_audioFileEncoder *encoder);
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// if parent is NULL, pop up a modal dialog/window
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// if parent is not NULL, return a modeless child dialog/window
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HWND Configure(HWND parent, const wchar_t *profile, const AudioParameters *parameters = 0);
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enum
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{
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SERVICETYPE = MK4CC('a','f','e', 'n')
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};
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}; |