wildmidi_fastseek(3) [debian man page]
WildMidi_FastSeek(3) WildMidi Programmer's Manual WildMidi_FastSeek(3) NAME
WildMidi_FastSeek - Move to a position in a midi file LIBRARY
libWildMidi SYNOPSIS
#include <wildmidi_lib.h> int WildMidi_FastSeek (midi *handle, unsigned short int *sample_pos); DESCRIPTION
Resets all note specific midi states and active notes before scanning to sample_pos samples from the beginning taking note of any changes to midi channel states. The next call to WildMidi_GetOutput(3) will behave as if you started to play the midi from that position. handle The indentifier obtained from opening a midi file with WildMidi_Open(3) or WildMidi_OpenBuffer(3) sample_pos The number of samples from the beginning you want libWildMidi to seek to. NOTE: significant delay can occur when using this function. You can expect even more delay if you select a position thats already been passed forcing the library to start from the beginning. SEE ALSO
WildMidi_GetString(3), WildMidi_Init(3), WildMidi_MasterVolume(3), WildMidi_Open(3), WildMidi_OpenBuffer(3), WildMidi_SetOption(3), Wild- Midi_GetOutput(3), WildMidi_GetInfo(3), WildMidi_Close(3), WildMidi_Shutdown(3), wildmidi(1), wildmidi.cfg(5) AUTHOR
Chris Ison <wildcode@users.sourceforge.net> COPYRIGHT
Copyright (C) Chris Ison 2001-2010 This file is part of WildMIDI. WildMIDI is free software: you can redistribute and/or modify the player under the terms of the GNU General Public License and you can redistribute and/or modify the library under the terms of the GNU Lesser General Public License as published by the Free Software Founda- tion, either version 3 of the licenses, or(at your option) any later version. WildMIDI 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 and the GNU Lesser General Public License for more details. You should have received a copy of the GNU General Public License and the GNU Lesser General Public License along with WildMIDI. If not, see <http://www.gnu.org/licenses/>. This manpage is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/3.0/ or send a letter to Creative Commons, 171 Second Street, Suite 300, San Francisco, Califor- nia, 94105, USA. 05 June 2010 WildMidi_FastSeek(3)
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WildMidi_GetInfo(3) WildMidi Programmer's Manual WildMidi_GetInfo(3) NAME
WildMidi_GetInfo - get information on a midi LIBRARY
libWildMidi SYNOPSIS
#include <wildmidi_lib.h> struct _WM_Info *WildMidi_GetInfo (midi *handle); DESCRIPTION
Obtains information allowing you to determin song position, current options, and any copyright information for handle The indentifier obtained from opening a midi file with WildMidi_Open(3) or WildMidi_OpenBuffer(3) RETURN VALUE
On error returns NULL with an error message displayed to stderr. Otherwise returns a pointer to a struct containing the information. struct _WM_Info { char *copyright; unsigned long int current_sample; unsigned long int approx_total_samples; unsigned short int mixer_options; }; copyright A pointer to a terminated string containing any copyright MIDI events found while processing the MIDI file handle refers to. If more than one copyright event was found then each one is separated by If copyright is NULL then no copyright MIDI events were found. current_sample This is the number of stereo samples libWildMidi has processed for the MIDI file refered to by handle. You can use this value to determin the current playing time by dividing this value by the rate given when libWildMidi was initialized by WildMidi_Init(3). approx_total_samples This is the total number of stereo samples libWildMidi expects to process. This can be used to obtain the total playing time by dividing this value by the rate given when libWildMidi was initialized by WildMidi_Init(3). Also when you divide current_sample by this value and multiplying by 100, you have the percentage currently processed. mixer_options WM_MO_LOG_VOLUME Using curved volume settings instead of linear ones. WM_MO_ENHANCED_RESAMPLING The enhanced resampler is active WM_MO_REVERB Reverb is being added to the final output. SEE ALSO
WildMidi_GetString(3), WildMidi_Init(3), WildMidi_MasterVolume(3), WildMidi_Open(3), WildMidi_OpenBuffer(3), WildMidi_SetOption(3), Wild- Midi_GetOutput(3), WildMidi_FastSeek(3), WildMidi_Close(3), WildMidi_Shutdown(3), wildmidi(1), wildmidi.cfg(5) AUTHOR
Chris Ison <wildcode@users.sourceforge.net> COPYRIGHT
Copyright (C) Chris Ison 2001-2010 This file is part of WildMIDI. WildMIDI is free software: you can redistribute and/or modify the player under the terms of the GNU General Public License and you can redistribute and/or modify the library under the terms of the GNU Lesser General Public License as published by the Free Software Founda- tion, either version 3 of the licenses, or(at your option) any later version. WildMIDI 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 and the GNU Lesser General Public License for more details. You should have received a copy of the GNU General Public License and the GNU Lesser General Public License along with WildMIDI. If not, see <http://www.gnu.org/licenses/>. This manpage is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/3.0/ or send a letter to Creative Commons, 171 Second Street, Suite 300, San Francisco, Califor- nia, 94105, USA. 05 June 2010 WildMidi_GetInfo(3)