mirror of
https://github.com/ZDoom/zdoom-macos-deps.git
synced 2024-11-10 06:31:37 +00:00
+ libvorbis 1.3.5
http://www.xiph.org http://downloads.xiph.org/releases/vorbis/libvorbis-1.3.5.tar.xz ./configure --disable-shared && make install
This commit is contained in:
parent
c4dc5566af
commit
014a38bec2
6 changed files with 885 additions and 0 deletions
243
vorbis/include/vorbis/codec.h
Normal file
243
vorbis/include/vorbis/codec.h
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/********************************************************************
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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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function: libvorbis codec headers
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last mod: $Id: codec.h 17021 2010-03-24 09:29:41Z xiphmont $
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********************************************************************/
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#ifndef _vorbis_codec_h_
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#define _vorbis_codec_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 <ogg/ogg.h>
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typedef struct vorbis_info{
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int version;
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int channels;
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long rate;
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/* The below bitrate declarations are *hints*.
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Combinations of the three values carry the following implications:
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all three set to the same value:
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implies a fixed rate bitstream
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only nominal set:
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implies a VBR stream that averages the nominal bitrate. No hard
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upper/lower limit
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upper and or lower set:
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implies a VBR bitstream that obeys the bitrate limits. nominal
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may also be set to give a nominal rate.
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none set:
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the coder does not care to speculate.
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*/
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long bitrate_upper;
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long bitrate_nominal;
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long bitrate_lower;
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long bitrate_window;
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void *codec_setup;
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} vorbis_info;
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/* vorbis_dsp_state buffers the current vorbis audio
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analysis/synthesis state. The DSP state belongs to a specific
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logical bitstream ****************************************************/
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typedef struct vorbis_dsp_state{
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int analysisp;
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vorbis_info *vi;
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float **pcm;
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float **pcmret;
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int pcm_storage;
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int pcm_current;
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int pcm_returned;
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int preextrapolate;
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int eofflag;
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long lW;
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long W;
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long nW;
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long centerW;
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ogg_int64_t granulepos;
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ogg_int64_t sequence;
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ogg_int64_t glue_bits;
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ogg_int64_t time_bits;
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ogg_int64_t floor_bits;
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ogg_int64_t res_bits;
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void *backend_state;
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} vorbis_dsp_state;
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typedef struct vorbis_block{
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/* necessary stream state for linking to the framing abstraction */
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float **pcm; /* this is a pointer into local storage */
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oggpack_buffer opb;
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long lW;
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long W;
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long nW;
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int pcmend;
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int mode;
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int eofflag;
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ogg_int64_t granulepos;
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ogg_int64_t sequence;
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vorbis_dsp_state *vd; /* For read-only access of configuration */
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/* local storage to avoid remallocing; it's up to the mapping to
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structure it */
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void *localstore;
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long localtop;
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long localalloc;
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long totaluse;
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struct alloc_chain *reap;
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/* bitmetrics for the frame */
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long glue_bits;
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long time_bits;
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long floor_bits;
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long res_bits;
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void *internal;
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} vorbis_block;
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/* vorbis_block is a single block of data to be processed as part of
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the analysis/synthesis stream; it belongs to a specific logical
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bitstream, but is independent from other vorbis_blocks belonging to
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that logical bitstream. *************************************************/
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struct alloc_chain{
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void *ptr;
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struct alloc_chain *next;
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};
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/* vorbis_info contains all the setup information specific to the
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specific compression/decompression mode in progress (eg,
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psychoacoustic settings, channel setup, options, codebook
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etc). vorbis_info and substructures are in backends.h.
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*********************************************************************/
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/* the comments are not part of vorbis_info so that vorbis_info can be
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static storage */
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typedef struct vorbis_comment{
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/* unlimited user comment fields. libvorbis writes 'libvorbis'
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whatever vendor is set to in encode */
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char **user_comments;
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int *comment_lengths;
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int comments;
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char *vendor;
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} vorbis_comment;
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/* libvorbis encodes in two abstraction layers; first we perform DSP
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and produce a packet (see docs/analysis.txt). The packet is then
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coded into a framed OggSquish bitstream by the second layer (see
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docs/framing.txt). Decode is the reverse process; we sync/frame
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the bitstream and extract individual packets, then decode the
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packet back into PCM audio.
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The extra framing/packetizing is used in streaming formats, such as
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files. Over the net (such as with UDP), the framing and
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packetization aren't necessary as they're provided by the transport
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and the streaming layer is not used */
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/* Vorbis PRIMITIVES: general ***************************************/
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extern void vorbis_info_init(vorbis_info *vi);
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extern void vorbis_info_clear(vorbis_info *vi);
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extern int vorbis_info_blocksize(vorbis_info *vi,int zo);
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extern void vorbis_comment_init(vorbis_comment *vc);
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extern void vorbis_comment_add(vorbis_comment *vc, const char *comment);
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extern void vorbis_comment_add_tag(vorbis_comment *vc,
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const char *tag, const char *contents);
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extern char *vorbis_comment_query(vorbis_comment *vc, const char *tag, int count);
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extern int vorbis_comment_query_count(vorbis_comment *vc, const char *tag);
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extern void vorbis_comment_clear(vorbis_comment *vc);
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extern int vorbis_block_init(vorbis_dsp_state *v, vorbis_block *vb);
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extern int vorbis_block_clear(vorbis_block *vb);
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extern void vorbis_dsp_clear(vorbis_dsp_state *v);
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extern double vorbis_granule_time(vorbis_dsp_state *v,
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ogg_int64_t granulepos);
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extern const char *vorbis_version_string(void);
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/* Vorbis PRIMITIVES: analysis/DSP layer ****************************/
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extern int vorbis_analysis_init(vorbis_dsp_state *v,vorbis_info *vi);
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extern int vorbis_commentheader_out(vorbis_comment *vc, ogg_packet *op);
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extern int vorbis_analysis_headerout(vorbis_dsp_state *v,
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vorbis_comment *vc,
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ogg_packet *op,
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ogg_packet *op_comm,
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ogg_packet *op_code);
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extern float **vorbis_analysis_buffer(vorbis_dsp_state *v,int vals);
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extern int vorbis_analysis_wrote(vorbis_dsp_state *v,int vals);
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extern int vorbis_analysis_blockout(vorbis_dsp_state *v,vorbis_block *vb);
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extern int vorbis_analysis(vorbis_block *vb,ogg_packet *op);
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extern int vorbis_bitrate_addblock(vorbis_block *vb);
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extern int vorbis_bitrate_flushpacket(vorbis_dsp_state *vd,
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ogg_packet *op);
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/* Vorbis PRIMITIVES: synthesis layer *******************************/
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extern int vorbis_synthesis_idheader(ogg_packet *op);
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extern int vorbis_synthesis_headerin(vorbis_info *vi,vorbis_comment *vc,
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ogg_packet *op);
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extern int vorbis_synthesis_init(vorbis_dsp_state *v,vorbis_info *vi);
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extern int vorbis_synthesis_restart(vorbis_dsp_state *v);
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extern int vorbis_synthesis(vorbis_block *vb,ogg_packet *op);
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extern int vorbis_synthesis_trackonly(vorbis_block *vb,ogg_packet *op);
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extern int vorbis_synthesis_blockin(vorbis_dsp_state *v,vorbis_block *vb);
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extern int vorbis_synthesis_pcmout(vorbis_dsp_state *v,float ***pcm);
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extern int vorbis_synthesis_lapout(vorbis_dsp_state *v,float ***pcm);
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extern int vorbis_synthesis_read(vorbis_dsp_state *v,int samples);
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extern long vorbis_packet_blocksize(vorbis_info *vi,ogg_packet *op);
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extern int vorbis_synthesis_halfrate(vorbis_info *v,int flag);
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extern int vorbis_synthesis_halfrate_p(vorbis_info *v);
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/* Vorbis ERRORS and return codes ***********************************/
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#define OV_FALSE -1
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#define OV_EOF -2
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#define OV_HOLE -3
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#define OV_EREAD -128
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#define OV_EFAULT -129
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#define OV_EIMPL -130
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#define OV_EINVAL -131
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#define OV_ENOTVORBIS -132
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#define OV_EBADHEADER -133
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#define OV_EVERSION -134
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#define OV_ENOTAUDIO -135
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#define OV_EBADPACKET -136
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#define OV_EBADLINK -137
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#define OV_ENOSEEK -138
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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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436
vorbis/include/vorbis/vorbisenc.h
Normal file
436
vorbis/include/vorbis/vorbisenc.h
Normal file
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/********************************************************************
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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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last mod: $Id: vorbisenc.h 17021 2010-03-24 09:29:41Z xiphmont $
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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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* \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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|
||||
/**
|
||||
* 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
|
||||
* 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
|
||||
* finally calling \ref vorbis_encode_setup_init to complete the setup
|
||||
* process.
|
||||
*
|
||||
* Before this function is called, the \ref vorbis_info struct should be
|
||||
* initialized by using \ref vorbis_info_init() from the libvorbis API. After
|
||||
* encoding, vorbis_info_clear() should be called.
|
||||
*
|
||||
* \param vi Pointer to an initialized vorbis_info struct.
|
||||
* \param channels The number of channels to be encoded.
|
||||
* \param rate The sampling rate of the source audio.
|
||||
* \param quality Desired quality level, currently from -0.1 to 1.0 (lo to hi).
|
||||
*
|
||||
* \return Zero for success, and negative values for failure.
|
||||
*
|
||||
* \retval 0 Success
|
||||
* \retval OV_EFAULT Internal logic fault; indicates a bug or heap/stack corruption.
|
||||
* \retval OV_EINVAL Invalid setup request, eg, out of range argument.
|
||||
* \retval OV_EIMPL Unimplemented mode; unable to comply with quality level request.
|
||||
*/
|
||||
extern int vorbis_encode_setup_vbr(vorbis_info *vi,
|
||||
long channels,
|
||||
long rate,
|
||||
|
||||
float quality
|
||||
);
|
||||
|
||||
/**
|
||||
* This is the primary function within libvorbisenc for setting up variable
|
||||
* bitrate ("quality" based) modes.
|
||||
*
|
||||
*
|
||||
* Before this function is called, the vorbis_info struct should be
|
||||
* initialized by using vorbis_info_init() from the libvorbis API. After
|
||||
* encoding, vorbis_info_clear() should be called.
|
||||
*
|
||||
* \param vi Pointer to an initialized vorbis_info struct.
|
||||
* \param channels The number of channels to be encoded.
|
||||
* \param rate The sampling rate of the source audio.
|
||||
* \param base_quality Desired quality level, currently from -0.1 to 1.0 (lo to hi).
|
||||
*
|
||||
*
|
||||
* \return Zero for success, or a negative number for failure.
|
||||
*
|
||||
* \retval 0 Success
|
||||
* \retval OV_EFAULT Internal logic fault; indicates a bug or heap/stack corruption.
|
||||
* \retval OV_EINVAL Invalid setup request, eg, out of range argument.
|
||||
* \retval OV_EIMPL Unimplemented mode; unable to comply with quality level request.
|
||||
*/
|
||||
extern int vorbis_encode_init_vbr(vorbis_info *vi,
|
||||
long channels,
|
||||
long rate,
|
||||
|
||||
float base_quality
|
||||
);
|
||||
|
||||
/**
|
||||
* This function performs the last stage of three-step encoding setup, as
|
||||
* described in the API overview under managed bitrate modes.
|
||||
*
|
||||
* Before this function is called, the \ref vorbis_info struct should be
|
||||
* initialized by using vorbis_info_init() from the libvorbis API, one of
|
||||
* \ref vorbis_encode_setup_managed() or \ref vorbis_encode_setup_vbr() called to
|
||||
* initialize the high-level encoding setup, and \ref vorbis_encode_ctl()
|
||||
* called if necessary to make encoding setup changes.
|
||||
* vorbis_encode_setup_init() finalizes the highlevel encoding structure into
|
||||
* a complete encoding setup after which the application may make no further
|
||||
* setup changes.
|
||||
*
|
||||
* After encoding, vorbis_info_clear() should be called.
|
||||
*
|
||||
* \param vi Pointer to an initialized \ref vorbis_info struct.
|
||||
*
|
||||
* \return Zero for success, and negative values for failure.
|
||||
*
|
||||
* \retval 0 Success.
|
||||
* \retval OV_EFAULT Internal logic fault; indicates a bug or heap/stack corruption.
|
||||
*
|
||||
* \retval OV_EINVAL Attempt to use vorbis_encode_setup_init() without first
|
||||
* calling one of vorbis_encode_setup_managed() or vorbis_encode_setup_vbr() to
|
||||
* initialize the high-level encoding setup
|
||||
*
|
||||
*/
|
||||
extern int vorbis_encode_setup_init(vorbis_info *vi);
|
||||
|
||||
/**
|
||||
* This function implements a generic interface to miscellaneous encoder
|
||||
* settings similar to the classic UNIX 'ioctl()' system call. Applications
|
||||
* may use vorbis_encode_ctl() to query or set bitrate management or quality
|
||||
* mode details by using one of several \e request arguments detailed below.
|
||||
* vorbis_encode_ctl() must be called after one of
|
||||
* vorbis_encode_setup_managed() or vorbis_encode_setup_vbr(). When used
|
||||
* to modify settings, \ref vorbis_encode_ctl() must be called before \ref
|
||||
* vorbis_encode_setup_init().
|
||||
*
|
||||
* \param vi Pointer to an initialized vorbis_info struct.
|
||||
*
|
||||
* \param number Specifies the desired action; See \ref encctlcodes "the list
|
||||
* of available requests".
|
||||
*
|
||||
* \param arg void * pointing to a data structure matching the request
|
||||
* argument.
|
||||
*
|
||||
* \retval 0 Success. Any further return information (such as the result of a
|
||||
* query) is placed into the storage pointed to by *arg.
|
||||
*
|
||||
* \retval OV_EINVAL Invalid argument, or an attempt to modify a setting after
|
||||
* calling vorbis_encode_setup_init().
|
||||
*
|
||||
* \retval OV_EIMPL Unimplemented or unknown request
|
||||
*/
|
||||
extern int vorbis_encode_ctl(vorbis_info *vi,int number,void *arg);
|
||||
|
||||
/**
|
||||
* \deprecated This is a deprecated interface. Please use vorbis_encode_ctl()
|
||||
* with the \ref ovectl_ratemanage2_arg struct and \ref
|
||||
* OV_ECTL_RATEMANAGE2_GET and \ref OV_ECTL_RATEMANAGE2_SET calls in new code.
|
||||
*
|
||||
* The \ref ovectl_ratemanage_arg structure is used with vorbis_encode_ctl()
|
||||
* and the \ref OV_ECTL_RATEMANAGE_GET, \ref OV_ECTL_RATEMANAGE_SET, \ref
|
||||
* OV_ECTL_RATEMANAGE_AVG, \ref OV_ECTL_RATEMANAGE_HARD calls in order to
|
||||
* query and modify specifics of the encoder's bitrate management
|
||||
* configuration.
|
||||
*/
|
||||
struct ovectl_ratemanage_arg {
|
||||
int management_active; /**< nonzero if bitrate management is active*/
|
||||
/** hard lower limit (in kilobits per second) below which the stream bitrate
|
||||
will never be allowed for any given bitrate_hard_window seconds of time.*/
|
||||
long bitrate_hard_min;
|
||||
/** hard upper limit (in kilobits per second) above which the stream bitrate
|
||||
will never be allowed for any given bitrate_hard_window seconds of time.*/
|
||||
long bitrate_hard_max;
|
||||
/** the window period (in seconds) used to regulate the hard bitrate minimum
|
||||
and maximum*/
|
||||
double bitrate_hard_window;
|
||||
/** soft lower limit (in kilobits per second) below which the average bitrate
|
||||
tracker will start nudging the bitrate higher.*/
|
||||
long bitrate_av_lo;
|
||||
/** soft upper limit (in kilobits per second) above which the average bitrate
|
||||
tracker will start nudging the bitrate lower.*/
|
||||
long bitrate_av_hi;
|
||||
/** the window period (in seconds) used to regulate the average bitrate
|
||||
minimum and maximum.*/
|
||||
double bitrate_av_window;
|
||||
/** Regulates the relative centering of the average and hard windows; in
|
||||
libvorbis 1.0 and 1.0.1, the hard window regulation overlapped but
|
||||
followed the average window regulation. In libvorbis 1.1 a bit-reservoir
|
||||
interface replaces the old windowing interface; the older windowing
|
||||
interface is simulated and this field has no effect.*/
|
||||
double bitrate_av_window_center;
|
||||
};
|
||||
|
||||
/**
|
||||
* \name struct ovectl_ratemanage2_arg
|
||||
*
|
||||
* The ovectl_ratemanage2_arg structure is used with vorbis_encode_ctl() and
|
||||
* the OV_ECTL_RATEMANAGE2_GET and OV_ECTL_RATEMANAGE2_SET calls in order to
|
||||
* query and modify specifics of the encoder's bitrate management
|
||||
* configuration.
|
||||
*
|
||||
*/
|
||||
struct ovectl_ratemanage2_arg {
|
||||
int management_active; /**< nonzero if bitrate management is active */
|
||||
/** Lower allowed bitrate limit in kilobits per second */
|
||||
long bitrate_limit_min_kbps;
|
||||
/** Upper allowed bitrate limit in kilobits per second */
|
||||
long bitrate_limit_max_kbps;
|
||||
long bitrate_limit_reservoir_bits; /**<Size of the bitrate reservoir in bits */
|
||||
/** Regulates the bitrate reservoir's preferred fill level in a range from 0.0
|
||||
* to 1.0; 0.0 tries to bank bits to buffer against future bitrate spikes, 1.0
|
||||
* buffers against future sudden drops in instantaneous bitrate. Default is
|
||||
* 0.1
|
||||
*/
|
||||
double bitrate_limit_reservoir_bias;
|
||||
/** Average bitrate setting in kilobits per second */
|
||||
long bitrate_average_kbps;
|
||||
/** Slew rate limit setting for average bitrate adjustment; sets the minimum
|
||||
* time in seconds the bitrate tracker may swing from one extreme to the
|
||||
* other when boosting or damping average bitrate.
|
||||
*/
|
||||
double bitrate_average_damping;
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* \name vorbis_encode_ctl() codes
|
||||
*
|
||||
* \anchor encctlcodes
|
||||
*
|
||||
* These values are passed as the \c number parameter of vorbis_encode_ctl().
|
||||
* The type of the referent of that function's \c arg pointer depends on these
|
||||
* codes.
|
||||
*/
|
||||
/*@{*/
|
||||
|
||||
/**
|
||||
* Query the current encoder bitrate management setting.
|
||||
*
|
||||
*Argument: <tt>struct ovectl_ratemanage2_arg *</tt>
|
||||
*
|
||||
* Used to query the current encoder bitrate management setting. Also used to
|
||||
* initialize fields of an ovectl_ratemanage2_arg structure for use with
|
||||
* \ref OV_ECTL_RATEMANAGE2_SET.
|
||||
*/
|
||||
#define OV_ECTL_RATEMANAGE2_GET 0x14
|
||||
|
||||
/**
|
||||
* Set the current encoder bitrate management settings.
|
||||
*
|
||||
* Argument: <tt>struct ovectl_ratemanage2_arg *</tt>
|
||||
*
|
||||
* Used to set the current encoder bitrate management settings to the values
|
||||
* listed in the ovectl_ratemanage2_arg. Passing a NULL pointer will disable
|
||||
* bitrate management.
|
||||
*/
|
||||
#define OV_ECTL_RATEMANAGE2_SET 0x15
|
||||
|
||||
/**
|
||||
* Returns the current encoder hard-lowpass setting (kHz) in the double
|
||||
* pointed to by arg.
|
||||
*
|
||||
* Argument: <tt>double *</tt>
|
||||
*/
|
||||
#define OV_ECTL_LOWPASS_GET 0x20
|
||||
|
||||
/**
|
||||
* Sets the encoder hard-lowpass to the value (kHz) pointed to by arg. Valid
|
||||
* lowpass settings range from 2 to 99.
|
||||
*
|
||||
* Argument: <tt>double *</tt>
|
||||
*/
|
||||
#define OV_ECTL_LOWPASS_SET 0x21
|
||||
|
||||
/**
|
||||
* Returns the current encoder impulse block setting in the double pointed
|
||||
* to by arg.
|
||||
*
|
||||
* Argument: <tt>double *</tt>
|
||||
*/
|
||||
#define OV_ECTL_IBLOCK_GET 0x30
|
||||
|
||||
/**
|
||||
* Sets the impulse block bias to the the value pointed to by arg.
|
||||
*
|
||||
* Argument: <tt>double *</tt>
|
||||
*
|
||||
* Valid range is -15.0 to 0.0 [default]. A negative impulse block bias will
|
||||
* direct to encoder to use more bits when incoding short blocks that contain
|
||||
* strong impulses, thus improving the accuracy of impulse encoding.
|
||||
*/
|
||||
#define OV_ECTL_IBLOCK_SET 0x31
|
||||
|
||||
/**
|
||||
* Returns the current encoder coupling setting in the int pointed
|
||||
* to by arg.
|
||||
*
|
||||
* Argument: <tt>int *</tt>
|
||||
*/
|
||||
#define OV_ECTL_COUPLING_GET 0x40
|
||||
|
||||
/**
|
||||
* Enables/disables channel coupling in multichannel encoding according to arg.
|
||||
*
|
||||
* Argument: <tt>int *</tt>
|
||||
*
|
||||
* Zero disables channel coupling for multichannel inputs, nonzer enables
|
||||
* channel coupling. Setting has no effect on monophonic encoding or
|
||||
* multichannel counts that do not offer coupling. At present, coupling is
|
||||
* available for stereo and 5.1 encoding.
|
||||
*/
|
||||
#define OV_ECTL_COUPLING_SET 0x41
|
||||
|
||||
/* deprecated rate management supported only for compatibility */
|
||||
|
||||
/**
|
||||
* Old interface to querying bitrate management settings.
|
||||
*
|
||||
* Deprecated after move to bit-reservoir style management in 1.1 rendered
|
||||
* this interface partially obsolete.
|
||||
|
||||
* \deprecated Please use \ref OV_ECTL_RATEMANAGE2_GET instead.
|
||||
*
|
||||
* Argument: <tt>struct ovectl_ratemanage_arg *</tt>
|
||||
*/
|
||||
#define OV_ECTL_RATEMANAGE_GET 0x10
|
||||
/**
|
||||
* Old interface to modifying bitrate management settings.
|
||||
*
|
||||
* deprecated after move to bit-reservoir style management in 1.1 rendered
|
||||
* this interface partially obsolete.
|
||||
*
|
||||
* \deprecated Please use \ref OV_ECTL_RATEMANAGE2_SET instead.
|
||||
*
|
||||
* Argument: <tt>struct ovectl_ratemanage_arg *</tt>
|
||||
*/
|
||||
#define OV_ECTL_RATEMANAGE_SET 0x11
|
||||
/**
|
||||
* Old interface to setting average-bitrate encoding mode.
|
||||
*
|
||||
* Deprecated after move to bit-reservoir style management in 1.1 rendered
|
||||
* this interface partially obsolete.
|
||||
*
|
||||
* \deprecated Please use \ref OV_ECTL_RATEMANAGE2_SET instead.
|
||||
*
|
||||
* Argument: <tt>struct ovectl_ratemanage_arg *</tt>
|
||||
*/
|
||||
#define OV_ECTL_RATEMANAGE_AVG 0x12
|
||||
/**
|
||||
* Old interface to setting bounded-bitrate encoding modes.
|
||||
*
|
||||
* deprecated after move to bit-reservoir style management in 1.1 rendered
|
||||
* this interface partially obsolete.
|
||||
*
|
||||
* \deprecated Please use \ref OV_ECTL_RATEMANAGE2_SET instead.
|
||||
*
|
||||
* Argument: <tt>struct ovectl_ratemanage_arg *</tt>
|
||||
*/
|
||||
#define OV_ECTL_RATEMANAGE_HARD 0x13
|
||||
|
||||
/*@}*/
|
||||
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif /* __cplusplus */
|
||||
|
||||
#endif
|
206
vorbis/include/vorbis/vorbisfile.h
Normal file
206
vorbis/include/vorbis/vorbisfile.h
Normal file
|
@ -0,0 +1,206 @@
|
|||
/********************************************************************
|
||||
* *
|
||||
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
|
||||
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
|
||||
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
|
||||
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
|
||||
* *
|
||||
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
|
||||
* by the Xiph.Org Foundation http://www.xiph.org/ *
|
||||
* *
|
||||
********************************************************************
|
||||
|
||||
function: stdio-based convenience library for opening/seeking/decoding
|
||||
last mod: $Id: vorbisfile.h 17182 2010-04-29 03:48:32Z xiphmont $
|
||||
|
||||
********************************************************************/
|
||||
|
||||
#ifndef _OV_FILE_H_
|
||||
#define _OV_FILE_H_
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C"
|
||||
{
|
||||
#endif /* __cplusplus */
|
||||
|
||||
#include <stdio.h>
|
||||
#include "codec.h"
|
||||
|
||||
/* The function prototypes for the callbacks are basically the same as for
|
||||
* the stdio functions fread, fseek, fclose, ftell.
|
||||
* The one difference is that the FILE * arguments have been replaced with
|
||||
* a void * - this is to be used as a pointer to whatever internal data these
|
||||
* functions might need. In the stdio case, it's just a FILE * cast to a void *
|
||||
*
|
||||
* If you use other functions, check the docs for these functions and return
|
||||
* the right values. For seek_func(), you *MUST* return -1 if the stream is
|
||||
* unseekable
|
||||
*/
|
||||
typedef struct {
|
||||
size_t (*read_func) (void *ptr, size_t size, size_t nmemb, void *datasource);
|
||||
int (*seek_func) (void *datasource, ogg_int64_t offset, int whence);
|
||||
int (*close_func) (void *datasource);
|
||||
long (*tell_func) (void *datasource);
|
||||
} ov_callbacks;
|
||||
|
||||
#ifndef OV_EXCLUDE_STATIC_CALLBACKS
|
||||
|
||||
/* a few sets of convenient callbacks, especially for use under
|
||||
* Windows where ov_open_callbacks() should always be used instead of
|
||||
* ov_open() to avoid problems with incompatible crt.o version linking
|
||||
* issues. */
|
||||
|
||||
static int _ov_header_fseek_wrap(FILE *f,ogg_int64_t off,int whence){
|
||||
if(f==NULL)return(-1);
|
||||
|
||||
#ifdef __MINGW32__
|
||||
return fseeko64(f,off,whence);
|
||||
#elif defined (_WIN32)
|
||||
return _fseeki64(f,off,whence);
|
||||
#else
|
||||
return fseek(f,off,whence);
|
||||
#endif
|
||||
}
|
||||
|
||||
/* These structs below (OV_CALLBACKS_DEFAULT etc) are defined here as
|
||||
* static data. That means that every file which includes this header
|
||||
* will get its own copy of these structs whether it uses them or
|
||||
* not unless it #defines OV_EXCLUDE_STATIC_CALLBACKS.
|
||||
* These static symbols are essential on platforms such as Windows on
|
||||
* which several different versions of stdio support may be linked to
|
||||
* by different DLLs, and we need to be certain we know which one
|
||||
* we're using (the same one as the main application).
|
||||
*/
|
||||
|
||||
static ov_callbacks OV_CALLBACKS_DEFAULT = {
|
||||
(size_t (*)(void *, size_t, size_t, void *)) fread,
|
||||
(int (*)(void *, ogg_int64_t, int)) _ov_header_fseek_wrap,
|
||||
(int (*)(void *)) fclose,
|
||||
(long (*)(void *)) ftell
|
||||
};
|
||||
|
||||
static ov_callbacks OV_CALLBACKS_NOCLOSE = {
|
||||
(size_t (*)(void *, size_t, size_t, void *)) fread,
|
||||
(int (*)(void *, ogg_int64_t, int)) _ov_header_fseek_wrap,
|
||||
(int (*)(void *)) NULL,
|
||||
(long (*)(void *)) ftell
|
||||
};
|
||||
|
||||
static ov_callbacks OV_CALLBACKS_STREAMONLY = {
|
||||
(size_t (*)(void *, size_t, size_t, void *)) fread,
|
||||
(int (*)(void *, ogg_int64_t, int)) NULL,
|
||||
(int (*)(void *)) fclose,
|
||||
(long (*)(void *)) NULL
|
||||
};
|
||||
|
||||
static ov_callbacks OV_CALLBACKS_STREAMONLY_NOCLOSE = {
|
||||
(size_t (*)(void *, size_t, size_t, void *)) fread,
|
||||
(int (*)(void *, ogg_int64_t, int)) NULL,
|
||||
(int (*)(void *)) NULL,
|
||||
(long (*)(void *)) NULL
|
||||
};
|
||||
|
||||
#endif
|
||||
|
||||
#define NOTOPEN 0
|
||||
#define PARTOPEN 1
|
||||
#define OPENED 2
|
||||
#define STREAMSET 3
|
||||
#define INITSET 4
|
||||
|
||||
typedef struct OggVorbis_File {
|
||||
void *datasource; /* Pointer to a FILE *, etc. */
|
||||
int seekable;
|
||||
ogg_int64_t offset;
|
||||
ogg_int64_t end;
|
||||
ogg_sync_state oy;
|
||||
|
||||
/* If the FILE handle isn't seekable (eg, a pipe), only the current
|
||||
stream appears */
|
||||
int links;
|
||||
ogg_int64_t *offsets;
|
||||
ogg_int64_t *dataoffsets;
|
||||
long *serialnos;
|
||||
ogg_int64_t *pcmlengths; /* overloaded to maintain binary
|
||||
compatibility; x2 size, stores both
|
||||
beginning and end values */
|
||||
vorbis_info *vi;
|
||||
vorbis_comment *vc;
|
||||
|
||||
/* Decoding working state local storage */
|
||||
ogg_int64_t pcm_offset;
|
||||
int ready_state;
|
||||
long current_serialno;
|
||||
int current_link;
|
||||
|
||||
double bittrack;
|
||||
double samptrack;
|
||||
|
||||
ogg_stream_state os; /* take physical pages, weld into a logical
|
||||
stream of packets */
|
||||
vorbis_dsp_state vd; /* central working state for the packet->PCM decoder */
|
||||
vorbis_block vb; /* local working space for packet->PCM decode */
|
||||
|
||||
ov_callbacks callbacks;
|
||||
|
||||
} OggVorbis_File;
|
||||
|
||||
|
||||
extern int ov_clear(OggVorbis_File *vf);
|
||||
extern int ov_fopen(const char *path,OggVorbis_File *vf);
|
||||
extern int ov_open(FILE *f,OggVorbis_File *vf,const char *initial,long ibytes);
|
||||
extern int ov_open_callbacks(void *datasource, OggVorbis_File *vf,
|
||||
const char *initial, long ibytes, ov_callbacks callbacks);
|
||||
|
||||
extern int ov_test(FILE *f,OggVorbis_File *vf,const char *initial,long ibytes);
|
||||
extern int ov_test_callbacks(void *datasource, OggVorbis_File *vf,
|
||||
const char *initial, long ibytes, ov_callbacks callbacks);
|
||||
extern int ov_test_open(OggVorbis_File *vf);
|
||||
|
||||
extern long ov_bitrate(OggVorbis_File *vf,int i);
|
||||
extern long ov_bitrate_instant(OggVorbis_File *vf);
|
||||
extern long ov_streams(OggVorbis_File *vf);
|
||||
extern long ov_seekable(OggVorbis_File *vf);
|
||||
extern long ov_serialnumber(OggVorbis_File *vf,int i);
|
||||
|
||||
extern ogg_int64_t ov_raw_total(OggVorbis_File *vf,int i);
|
||||
extern ogg_int64_t ov_pcm_total(OggVorbis_File *vf,int i);
|
||||
extern double ov_time_total(OggVorbis_File *vf,int i);
|
||||
|
||||
extern int ov_raw_seek(OggVorbis_File *vf,ogg_int64_t pos);
|
||||
extern int ov_pcm_seek(OggVorbis_File *vf,ogg_int64_t pos);
|
||||
extern int ov_pcm_seek_page(OggVorbis_File *vf,ogg_int64_t pos);
|
||||
extern int ov_time_seek(OggVorbis_File *vf,double pos);
|
||||
extern int ov_time_seek_page(OggVorbis_File *vf,double pos);
|
||||
|
||||
extern int ov_raw_seek_lap(OggVorbis_File *vf,ogg_int64_t pos);
|
||||
extern int ov_pcm_seek_lap(OggVorbis_File *vf,ogg_int64_t pos);
|
||||
extern int ov_pcm_seek_page_lap(OggVorbis_File *vf,ogg_int64_t pos);
|
||||
extern int ov_time_seek_lap(OggVorbis_File *vf,double pos);
|
||||
extern int ov_time_seek_page_lap(OggVorbis_File *vf,double pos);
|
||||
|
||||
extern ogg_int64_t ov_raw_tell(OggVorbis_File *vf);
|
||||
extern ogg_int64_t ov_pcm_tell(OggVorbis_File *vf);
|
||||
extern double ov_time_tell(OggVorbis_File *vf);
|
||||
|
||||
extern vorbis_info *ov_info(OggVorbis_File *vf,int link);
|
||||
extern vorbis_comment *ov_comment(OggVorbis_File *vf,int link);
|
||||
|
||||
extern long ov_read_float(OggVorbis_File *vf,float ***pcm_channels,int samples,
|
||||
int *bitstream);
|
||||
extern long ov_read_filter(OggVorbis_File *vf,char *buffer,int length,
|
||||
int bigendianp,int word,int sgned,int *bitstream,
|
||||
void (*filter)(float **pcm,long channels,long samples,void *filter_param),void *filter_param);
|
||||
extern long ov_read(OggVorbis_File *vf,char *buffer,int length,
|
||||
int bigendianp,int word,int sgned,int *bitstream);
|
||||
extern int ov_crosslap(OggVorbis_File *vf1,OggVorbis_File *vf2);
|
||||
|
||||
extern int ov_halfrate(OggVorbis_File *vf,int flag);
|
||||
extern int ov_halfrate_p(OggVorbis_File *vf);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif /* __cplusplus */
|
||||
|
||||
#endif
|
||||
|
BIN
vorbis/lib/libvorbis.a
Normal file
BIN
vorbis/lib/libvorbis.a
Normal file
Binary file not shown.
BIN
vorbis/lib/libvorbisenc.a
Normal file
BIN
vorbis/lib/libvorbisenc.a
Normal file
Binary file not shown.
BIN
vorbis/lib/libvorbisfile.a
Normal file
BIN
vorbis/lib/libvorbisfile.a
Normal file
Binary file not shown.
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Reference in a new issue