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0d5fb492cd
Fix GCC 6 misleading-indentation warning add SECURITY.md OpenGL2: Restore adding fixed ambient light when HDR is enabled Few LCC memory fixes. fix a few potential buffer overwrite in Game VM Enable compiler optimization on all macOS architectures Don't allow qagame module to create "botlib.log" at ANY filesystem location Make FS_BuildOSPath for botlib.log consistent with typical usage tiny readme thing Remove extra plus sign from Huff_Compress() Fix VMs being able to change CVAR_PROTECTED cvars Don't register fs_game cvar everywhere just to get the value Don't let VMs change engine latch cvars immediately Fix fs_game '..' reading outside of home and base path Fix VMs forcing engine latch cvar to update to latched value Revert my recent cvar latch changes Revert "Don't let VMs change engine latch cvars immediately" Partially revert "Fix fs_game '..' reading outside of home and base path" Revert "Fix VMs forcing engine latch cvar to update to latched value" Fix exploit to bypass filename restrictions on Windows Changes to systemd q3a.service Fix Q_vsnprintf for mingw-w64 Fix timelimit causing an infinite map ending loop Fix invalid access to cluster 0 in AAS_AreaRouteToGoalArea() Fix negative frag/capturelimit causing an infinite map end loop OpenGL2: Fix dark lightmap on shader in mpteam6 Make FS_InvalidGameDir() consider subdirectories invalid [qcommon] Remove dead serialization code [qcommon] Make several zone variables and functions static. Fix MAC_OS_X_VERSION_MIN_REQUIRED for macOS 10.10 and later Increase q3_ui .arena filename list buffer size to 4096 bytes OpenGL2: Fix crash when BSP has deluxe maps and vertex lit surfaces Support Unicode characters greater than 0xFF in cl_consoleKeys Fix macOS app bundle with space in name OpenGL1: Use glGenTextures instead of hardcoded values Remove CON_FlushIn function and where STDIN needs flushing, use tcflush POSIX function Update libogg from 1.3.2 to 1.3.3 Rename (already updated) libogg-1.3.2 to libogg-1.3.3 Update libvorbis from 1.3.5 to 1.3.6 * Fix CVE-2018-5146 - out-of-bounds write on codebook decoding. * Fix CVE-2017-14632 - free() on unitialized data * Fix CVE-2017-14633 - out-of-bounds read Rename (already updated) libvorbis-1.3.5 to libvorbis-1.3.6 Update opus from 1.1.4 to 1.2.1 Rename (already updated) opus-1.1.4 to opus-1.2.1 Update opusfile from 0.8 to 0.9 Rename (already updated) opusfile-0.8 to opusfile-0.9 First swing at a CONTRIBUTING.md Allow loading system OpenAL library on macOS again Remove duplicate setting of FREETYPE_CFLAGS in Makefile Fix exploit to reset player by sending wrong serverId Fix "Going to CS_ZOMBIE for [clientname]" developer message Fix MSG_Read*String*() functions not being able to read last byte from message
435 lines
17 KiB
C
435 lines
17 KiB
C
/********************************************************************
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* *
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* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
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* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
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* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
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* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
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* *
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* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2001 *
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* by the Xiph.Org Foundation http://www.xiph.org/ *
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* *
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********************************************************************
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function: vorbis encode-engine setup
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********************************************************************/
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/** \file
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* Libvorbisenc is a convenient API for setting up an encoding
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* environment using libvorbis. Libvorbisenc encapsulates the
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* actions needed to set up the encoder properly.
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*/
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#ifndef _OV_ENC_H_
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#define _OV_ENC_H_
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#ifdef __cplusplus
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extern "C"
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{
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#endif /* __cplusplus */
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#include "codec.h"
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/**
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* This is the primary function within libvorbisenc for setting up managed
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* bitrate modes.
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*
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* Before this function is called, the \ref vorbis_info
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* struct should be initialized by using vorbis_info_init() from the libvorbis
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* API. After encoding, vorbis_info_clear() should be called.
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*
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* The max_bitrate, nominal_bitrate, and min_bitrate settings are used to set
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* constraints for the encoded file. This function uses these settings to
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* select the appropriate encoding mode and set it up.
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*
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* \param vi Pointer to an initialized \ref vorbis_info struct.
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* \param channels The number of channels to be encoded.
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* \param rate The sampling rate of the source audio.
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* \param max_bitrate Desired maximum bitrate (limit). -1 indicates unset.
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* \param nominal_bitrate Desired average, or central, bitrate. -1 indicates unset.
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* \param min_bitrate Desired minimum bitrate. -1 indicates unset.
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*
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* \return Zero for success, and negative values for failure.
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*
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* \retval 0 Success.
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* \retval OV_EFAULT Internal logic fault; indicates a bug or heap/stack corruption.
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* \retval OV_EINVAL Invalid setup request, eg, out of range argument.
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* \retval OV_EIMPL Unimplemented mode; unable to comply with bitrate request.
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*/
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extern int vorbis_encode_init(vorbis_info *vi,
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long channels,
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long rate,
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long max_bitrate,
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long nominal_bitrate,
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long min_bitrate);
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/**
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* This function performs step-one of a three-step bitrate-managed encode
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* setup. It functions similarly to the one-step setup performed by \ref
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* vorbis_encode_init but allows an application to make further encode setup
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* tweaks using \ref vorbis_encode_ctl before finally calling \ref
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* vorbis_encode_setup_init to complete the setup process.
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*
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* Before this function is called, the \ref vorbis_info struct should be
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* initialized by using vorbis_info_init() from the libvorbis API. After
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* encoding, vorbis_info_clear() should be called.
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*
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* The max_bitrate, nominal_bitrate, and min_bitrate settings are used to set
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* constraints for the encoded file. This function uses these settings to
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* select the appropriate encoding mode and set it up.
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*
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* \param vi Pointer to an initialized vorbis_info struct.
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* \param channels The number of channels to be encoded.
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* \param rate The sampling rate of the source audio.
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* \param max_bitrate Desired maximum bitrate (limit). -1 indicates unset.
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* \param nominal_bitrate Desired average, or central, bitrate. -1 indicates unset.
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* \param min_bitrate Desired minimum bitrate. -1 indicates unset.
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*
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* \return Zero for success, and negative for failure.
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*
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* \retval 0 Success
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* \retval OV_EFAULT Internal logic fault; indicates a bug or heap/stack corruption.
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* \retval OV_EINVAL Invalid setup request, eg, out of range argument.
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* \retval OV_EIMPL Unimplemented mode; unable to comply with bitrate request.
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*/
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extern int vorbis_encode_setup_managed(vorbis_info *vi,
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long channels,
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long rate,
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long max_bitrate,
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long nominal_bitrate,
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long min_bitrate);
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/**
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* This function performs step-one of a three-step variable bitrate
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* (quality-based) encode setup. It functions similarly to the one-step setup
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* performed by \ref vorbis_encode_init_vbr() but allows an application to
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* make further encode setup tweaks using \ref vorbis_encode_ctl() before
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* finally calling \ref vorbis_encode_setup_init to complete the setup
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* process.
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*
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* Before this function is called, the \ref vorbis_info struct should be
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* initialized by using \ref vorbis_info_init() from the libvorbis API. After
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* encoding, vorbis_info_clear() should be called.
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*
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* \param vi Pointer to an initialized vorbis_info struct.
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* \param channels The number of channels to be encoded.
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* \param rate The sampling rate of the source audio.
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* \param quality Desired quality level, currently from -0.1 to 1.0 (lo to hi).
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*
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* \return Zero for success, and negative values for failure.
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*
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* \retval 0 Success
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* \retval OV_EFAULT Internal logic fault; indicates a bug or heap/stack corruption.
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* \retval OV_EINVAL Invalid setup request, eg, out of range argument.
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* \retval OV_EIMPL Unimplemented mode; unable to comply with quality level request.
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*/
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extern int vorbis_encode_setup_vbr(vorbis_info *vi,
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long channels,
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long rate,
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float quality
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);
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/**
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* This is the primary function within libvorbisenc for setting up variable
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* bitrate ("quality" based) modes.
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*
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*
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* Before this function is called, the vorbis_info struct should be
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* initialized by using vorbis_info_init() from the libvorbis API. After
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* encoding, vorbis_info_clear() should be called.
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*
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* \param vi Pointer to an initialized vorbis_info struct.
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* \param channels The number of channels to be encoded.
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* \param rate The sampling rate of the source audio.
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* \param base_quality Desired quality level, currently from -0.1 to 1.0 (lo to hi).
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*
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*
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* \return Zero for success, or a negative number for failure.
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*
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* \retval 0 Success
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* \retval OV_EFAULT Internal logic fault; indicates a bug or heap/stack corruption.
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* \retval OV_EINVAL Invalid setup request, eg, out of range argument.
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* \retval OV_EIMPL Unimplemented mode; unable to comply with quality level request.
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*/
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extern int vorbis_encode_init_vbr(vorbis_info *vi,
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long channels,
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long rate,
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float base_quality
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);
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/**
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* This function performs the last stage of three-step encoding setup, as
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* described in the API overview under managed bitrate modes.
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*
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* Before this function is called, the \ref vorbis_info struct should be
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* initialized by using vorbis_info_init() from the libvorbis API, one of
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* \ref vorbis_encode_setup_managed() or \ref vorbis_encode_setup_vbr() called to
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* initialize the high-level encoding setup, and \ref vorbis_encode_ctl()
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* called if necessary to make encoding setup changes.
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* vorbis_encode_setup_init() finalizes the highlevel encoding structure into
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* a complete encoding setup after which the application may make no further
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* setup changes.
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*
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* After encoding, vorbis_info_clear() should be called.
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*
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* \param vi Pointer to an initialized \ref vorbis_info struct.
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*
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* \return Zero for success, and negative values for failure.
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*
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* \retval 0 Success.
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* \retval OV_EFAULT Internal logic fault; indicates a bug or heap/stack corruption.
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*
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* \retval OV_EINVAL Attempt to use vorbis_encode_setup_init() without first
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* calling one of vorbis_encode_setup_managed() or vorbis_encode_setup_vbr() to
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* initialize the high-level encoding setup
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*
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*/
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extern int vorbis_encode_setup_init(vorbis_info *vi);
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/**
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* This function implements a generic interface to miscellaneous encoder
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* settings similar to the classic UNIX 'ioctl()' system call. Applications
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* may use vorbis_encode_ctl() to query or set bitrate management or quality
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* mode details by using one of several \e request arguments detailed below.
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* vorbis_encode_ctl() must be called after one of
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* vorbis_encode_setup_managed() or vorbis_encode_setup_vbr(). When used
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* to modify settings, \ref vorbis_encode_ctl() must be called before \ref
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* vorbis_encode_setup_init().
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*
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* \param vi Pointer to an initialized vorbis_info struct.
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*
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* \param number Specifies the desired action; See \ref encctlcodes "the list
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* of available requests".
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*
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* \param arg void * pointing to a data structure matching the request
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* argument.
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*
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* \retval 0 Success. Any further return information (such as the result of a
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* query) is placed into the storage pointed to by *arg.
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*
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* \retval OV_EINVAL Invalid argument, or an attempt to modify a setting after
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* calling vorbis_encode_setup_init().
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*
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* \retval OV_EIMPL Unimplemented or unknown request
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*/
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extern int vorbis_encode_ctl(vorbis_info *vi,int number,void *arg);
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/**
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* \deprecated This is a deprecated interface. Please use vorbis_encode_ctl()
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* with the \ref ovectl_ratemanage2_arg struct and \ref
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* OV_ECTL_RATEMANAGE2_GET and \ref OV_ECTL_RATEMANAGE2_SET calls in new code.
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*
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* The \ref ovectl_ratemanage_arg structure is used with vorbis_encode_ctl()
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* and the \ref OV_ECTL_RATEMANAGE_GET, \ref OV_ECTL_RATEMANAGE_SET, \ref
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* OV_ECTL_RATEMANAGE_AVG, \ref OV_ECTL_RATEMANAGE_HARD calls in order to
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* query and modify specifics of the encoder's bitrate management
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* configuration.
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*/
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struct ovectl_ratemanage_arg {
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int management_active; /**< nonzero if bitrate management is active*/
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/** hard lower limit (in kilobits per second) below which the stream bitrate
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will never be allowed for any given bitrate_hard_window seconds of time.*/
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long bitrate_hard_min;
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/** hard upper limit (in kilobits per second) above which the stream bitrate
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will never be allowed for any given bitrate_hard_window seconds of time.*/
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long bitrate_hard_max;
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/** the window period (in seconds) used to regulate the hard bitrate minimum
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and maximum*/
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double bitrate_hard_window;
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/** soft lower limit (in kilobits per second) below which the average bitrate
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tracker will start nudging the bitrate higher.*/
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long bitrate_av_lo;
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/** soft upper limit (in kilobits per second) above which the average bitrate
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tracker will start nudging the bitrate lower.*/
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long bitrate_av_hi;
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/** the window period (in seconds) used to regulate the average bitrate
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minimum and maximum.*/
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double bitrate_av_window;
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/** Regulates the relative centering of the average and hard windows; in
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libvorbis 1.0 and 1.0.1, the hard window regulation overlapped but
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followed the average window regulation. In libvorbis 1.1 a bit-reservoir
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interface replaces the old windowing interface; the older windowing
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interface is simulated and this field has no effect.*/
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double bitrate_av_window_center;
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};
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/**
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* \name struct ovectl_ratemanage2_arg
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*
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* The ovectl_ratemanage2_arg structure is used with vorbis_encode_ctl() and
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* the OV_ECTL_RATEMANAGE2_GET and OV_ECTL_RATEMANAGE2_SET calls in order to
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* query and modify specifics of the encoder's bitrate management
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* configuration.
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*
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*/
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struct ovectl_ratemanage2_arg {
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int management_active; /**< nonzero if bitrate management is active */
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/** Lower allowed bitrate limit in kilobits per second */
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long bitrate_limit_min_kbps;
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/** Upper allowed bitrate limit in kilobits per second */
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long bitrate_limit_max_kbps;
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long bitrate_limit_reservoir_bits; /**<Size of the bitrate reservoir in bits */
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/** Regulates the bitrate reservoir's preferred fill level in a range from 0.0
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* to 1.0; 0.0 tries to bank bits to buffer against future bitrate spikes, 1.0
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* buffers against future sudden drops in instantaneous bitrate. Default is
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* 0.1
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*/
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double bitrate_limit_reservoir_bias;
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/** Average bitrate setting in kilobits per second */
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long bitrate_average_kbps;
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/** Slew rate limit setting for average bitrate adjustment; sets the minimum
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* time in seconds the bitrate tracker may swing from one extreme to the
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* other when boosting or damping average bitrate.
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*/
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double bitrate_average_damping;
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};
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/**
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* \name vorbis_encode_ctl() codes
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*
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* \anchor encctlcodes
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*
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* These values are passed as the \c number parameter of vorbis_encode_ctl().
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* The type of the referent of that function's \c arg pointer depends on these
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* codes.
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*/
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/*@{*/
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/**
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* Query the current encoder bitrate management setting.
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*
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*Argument: <tt>struct ovectl_ratemanage2_arg *</tt>
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*
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* Used to query the current encoder bitrate management setting. Also used to
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* initialize fields of an ovectl_ratemanage2_arg structure for use with
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* \ref OV_ECTL_RATEMANAGE2_SET.
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*/
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#define OV_ECTL_RATEMANAGE2_GET 0x14
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/**
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* Set the current encoder bitrate management settings.
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*
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* Argument: <tt>struct ovectl_ratemanage2_arg *</tt>
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*
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* Used to set the current encoder bitrate management settings to the values
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* listed in the ovectl_ratemanage2_arg. Passing a NULL pointer will disable
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* bitrate management.
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*/
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#define OV_ECTL_RATEMANAGE2_SET 0x15
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/**
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* Returns the current encoder hard-lowpass setting (kHz) in the double
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* pointed to by arg.
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*
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* Argument: <tt>double *</tt>
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*/
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#define OV_ECTL_LOWPASS_GET 0x20
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/**
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* Sets the encoder hard-lowpass to the value (kHz) pointed to by arg. Valid
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* lowpass settings range from 2 to 99.
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*
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* Argument: <tt>double *</tt>
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*/
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#define OV_ECTL_LOWPASS_SET 0x21
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/**
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* Returns the current encoder impulse block setting in the double pointed
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* to by arg.
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*
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* Argument: <tt>double *</tt>
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*/
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#define OV_ECTL_IBLOCK_GET 0x30
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/**
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* Sets the impulse block bias to the the value pointed to by arg.
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*
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* Argument: <tt>double *</tt>
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*
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* Valid range is -15.0 to 0.0 [default]. A negative impulse block bias will
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* direct to encoder to use more bits when incoding short blocks that contain
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* strong impulses, thus improving the accuracy of impulse encoding.
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*/
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#define OV_ECTL_IBLOCK_SET 0x31
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/**
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* Returns the current encoder coupling setting in the int pointed
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* to by arg.
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*
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* Argument: <tt>int *</tt>
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*/
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#define OV_ECTL_COUPLING_GET 0x40
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/**
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* Enables/disables channel coupling in multichannel encoding according to arg.
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*
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* Argument: <tt>int *</tt>
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*
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* Zero disables channel coupling for multichannel inputs, nonzer enables
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* channel coupling. Setting has no effect on monophonic encoding or
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* multichannel counts that do not offer coupling. At present, coupling is
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* available for stereo and 5.1 encoding.
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*/
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#define OV_ECTL_COUPLING_SET 0x41
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/* deprecated rate management supported only for compatibility */
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/**
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* Old interface to querying bitrate management settings.
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*
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* Deprecated after move to bit-reservoir style management in 1.1 rendered
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* this interface partially obsolete.
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* \deprecated Please use \ref OV_ECTL_RATEMANAGE2_GET instead.
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*
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* Argument: <tt>struct ovectl_ratemanage_arg *</tt>
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*/
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#define OV_ECTL_RATEMANAGE_GET 0x10
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/**
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* Old interface to modifying bitrate management settings.
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*
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* deprecated after move to bit-reservoir style management in 1.1 rendered
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* this interface partially obsolete.
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*
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* \deprecated Please use \ref OV_ECTL_RATEMANAGE2_SET instead.
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*
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* Argument: <tt>struct ovectl_ratemanage_arg *</tt>
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*/
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#define OV_ECTL_RATEMANAGE_SET 0x11
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/**
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* Old interface to setting average-bitrate encoding mode.
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*
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* Deprecated after move to bit-reservoir style management in 1.1 rendered
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* this interface partially obsolete.
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*
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* \deprecated Please use \ref OV_ECTL_RATEMANAGE2_SET instead.
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*
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* Argument: <tt>struct ovectl_ratemanage_arg *</tt>
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*/
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#define OV_ECTL_RATEMANAGE_AVG 0x12
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/**
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* Old interface to setting bounded-bitrate encoding modes.
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*
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* deprecated after move to bit-reservoir style management in 1.1 rendered
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* this interface partially obsolete.
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*
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* \deprecated Please use \ref OV_ECTL_RATEMANAGE2_SET instead.
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*
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* Argument: <tt>struct ovectl_ratemanage_arg *</tt>
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*/
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#define OV_ECTL_RATEMANAGE_HARD 0x13
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/*@}*/
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif
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