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Diffstat (limited to 'thirdparty/opus/internal.h')
| -rw-r--r-- | thirdparty/opus/internal.h | 254 |
1 files changed, 0 insertions, 254 deletions
diff --git a/thirdparty/opus/internal.h b/thirdparty/opus/internal.h deleted file mode 100644 index ee48ea34c9..0000000000 --- a/thirdparty/opus/internal.h +++ /dev/null @@ -1,254 +0,0 @@ -/******************************************************************** - * * - * THIS FILE IS PART OF THE libopusfile 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 libopusfile SOURCE CODE IS (C) COPYRIGHT 2012 * - * by the Xiph.Org Foundation and contributors http://www.xiph.org/ * - * * - ********************************************************************/ -#if !defined(_opusfile_internal_h) -# define _opusfile_internal_h (1) - -# if !defined(_REENTRANT) -# define _REENTRANT -# endif -# if !defined(_GNU_SOURCE) -# define _GNU_SOURCE -# endif -# if !defined(_LARGEFILE_SOURCE) -# define _LARGEFILE_SOURCE -# endif -# if !defined(_LARGEFILE64_SOURCE) -# define _LARGEFILE64_SOURCE -# endif -# if !defined(_FILE_OFFSET_BITS) -# define _FILE_OFFSET_BITS 64 -# endif - -# include <stdlib.h> -# include <opusfile.h> - -typedef struct OggOpusLink OggOpusLink; - -# if defined(OP_FIXED_POINT) - -typedef opus_int16 op_sample; - -# else - -typedef float op_sample; - -/*We're using this define to test for libopus 1.1 or later until libopus - provides a better mechanism.*/ -# if defined(OPUS_GET_EXPERT_FRAME_DURATION_REQUEST) -/*Enable soft clipping prevention in 16-bit decodes.*/ -# define OP_SOFT_CLIP (1) -# endif - -# endif - -# if OP_GNUC_PREREQ(4,2) -/*Disable excessive warnings about the order of operations.*/ -# pragma GCC diagnostic ignored "-Wparentheses" -# elif defined(_MSC_VER) -/*Disable excessive warnings about the order of operations.*/ -# pragma warning(disable:4554) -/*Disable warnings about "deprecated" POSIX functions.*/ -# pragma warning(disable:4996) -# endif - -# if OP_GNUC_PREREQ(3,0) -/*Another alternative is - (__builtin_constant_p(_x)?!!(_x):__builtin_expect(!!(_x),1)) - but that evaluates _x multiple times, which may be bad.*/ -# define OP_LIKELY(_x) (__builtin_expect(!!(_x),1)) -# define OP_UNLIKELY(_x) (__builtin_expect(!!(_x),0)) -# else -# define OP_LIKELY(_x) (!!(_x)) -# define OP_UNLIKELY(_x) (!!(_x)) -# endif - -# if defined(OP_ENABLE_ASSERTIONS) -# if OP_GNUC_PREREQ(2,5)||__SUNPRO_C>=0x590 -__attribute__((noreturn)) -# endif -void op_fatal_impl(const char *_str,const char *_file,int _line); - -# define OP_FATAL(_str) (op_fatal_impl(_str,__FILE__,__LINE__)) - -# define OP_ASSERT(_cond) \ - do{ \ - if(OP_UNLIKELY(!(_cond)))OP_FATAL("assertion failed: " #_cond); \ - } \ - while(0) -# define OP_ALWAYS_TRUE(_cond) OP_ASSERT(_cond) - -# else -# define OP_FATAL(_str) abort() -# define OP_ASSERT(_cond) -# define OP_ALWAYS_TRUE(_cond) ((void)(_cond)) -# endif - -# define OP_INT64_MAX (2*(((ogg_int64_t)1<<62)-1)|1) -# define OP_INT64_MIN (-OP_INT64_MAX-1) -# define OP_INT32_MAX (2*(((ogg_int32_t)1<<30)-1)|1) -# define OP_INT32_MIN (-OP_INT32_MAX-1) - -# define OP_MIN(_a,_b) ((_a)<(_b)?(_a):(_b)) -# define OP_MAX(_a,_b) ((_a)>(_b)?(_a):(_b)) -# define OP_CLAMP(_lo,_x,_hi) (OP_MAX(_lo,OP_MIN(_x,_hi))) - -/*Advance a file offset by the given amount, clamping against OP_INT64_MAX. - This is used to advance a known offset by things like OP_CHUNK_SIZE or - OP_PAGE_SIZE_MAX, while making sure to avoid signed overflow. - It assumes that both _offset and _amount are non-negative.*/ -#define OP_ADV_OFFSET(_offset,_amount) \ - (OP_MIN(_offset,OP_INT64_MAX-(_amount))+(_amount)) - -/*The maximum channel count for any mapping we'll actually decode.*/ -# define OP_NCHANNELS_MAX (8) - -/*Initial state.*/ -# define OP_NOTOPEN (0) -/*We've found the first Opus stream in the first link.*/ -# define OP_PARTOPEN (1) -# define OP_OPENED (2) -/*We've found the first Opus stream in the current link.*/ -# define OP_STREAMSET (3) -/*We've initialized the decoder for the chosen Opus stream in the current - link.*/ -# define OP_INITSET (4) - -/*Information cached for a single link in a chained Ogg Opus file. - We choose the first Opus stream encountered in each link to play back (and - require at least one).*/ -struct OggOpusLink{ - /*The byte offset of the first header page in this link.*/ - opus_int64 offset; - /*The byte offset of the first data page from the chosen Opus stream in this - link (after the headers).*/ - opus_int64 data_offset; - /*The byte offset of the last page from the chosen Opus stream in this link. - This is used when seeking to ensure we find a page before the last one, so - that end-trimming calculations work properly. - This is only valid for seekable sources.*/ - opus_int64 end_offset; - /*The granule position of the last sample. - This is only valid for seekable sources.*/ - ogg_int64_t pcm_end; - /*The granule position before the first sample.*/ - ogg_int64_t pcm_start; - /*The serial number.*/ - ogg_uint32_t serialno; - /*The contents of the info header.*/ - OpusHead head; - /*The contents of the comment header.*/ - OpusTags tags; -}; - -struct OggOpusFile{ - /*The callbacks used to access the data source.*/ - OpusFileCallbacks callbacks; - /*A FILE *, memory bufer, etc.*/ - void *source; - /*Whether or not we can seek with this data source.*/ - int seekable; - /*The number of links in this chained Ogg Opus file.*/ - int nlinks; - /*The cached information from each link in a chained Ogg Opus file. - If source isn't seekable (e.g., it's a pipe), only the current link - appears.*/ - OggOpusLink *links; - /*The number of serial numbers from a single link.*/ - int nserialnos; - /*The capacity of the list of serial numbers from a single link.*/ - int cserialnos; - /*Storage for the list of serial numbers from a single link.*/ - ogg_uint32_t *serialnos; - /*This is the current offset of the data processed by the ogg_sync_state. - After a seek, this should be set to the target offset so that we can track - the byte offsets of subsequent pages. - After a call to op_get_next_page(), this will point to the first byte after - that page.*/ - opus_int64 offset; - /*The total size of this data source, or -1 if it's unseekable.*/ - opus_int64 end; - /*Used to locate pages in the data source.*/ - ogg_sync_state oy; - /*One of OP_NOTOPEN, OP_PARTOPEN, OP_OPENED, OP_STREAMSET, OP_INITSET.*/ - int ready_state; - /*The current link being played back.*/ - int cur_link; - /*The number of decoded samples to discard from the start of decoding.*/ - opus_int32 cur_discard_count; - /*The granule position of the previous packet (current packet start time).*/ - ogg_int64_t prev_packet_gp; - /*The stream offset of the most recent page with completed packets, or -1. - This is only needed to recover continued packet data in the seeking logic, - when we use the current position as one of our bounds, only to later - discover it was the correct starting point.*/ - opus_int64 prev_page_offset; - /*The number of bytes read since the last bitrate query, including framing.*/ - opus_int64 bytes_tracked; - /*The number of samples decoded since the last bitrate query.*/ - ogg_int64_t samples_tracked; - /*Takes physical pages and welds them into a logical stream of packets.*/ - ogg_stream_state os; - /*Re-timestamped packets from a single page. - Buffering these relies on the undocumented libogg behavior that ogg_packet - pointers remain valid until the next page is submitted to the - ogg_stream_state they came from.*/ - ogg_packet op[255]; - /*The index of the next packet to return.*/ - int op_pos; - /*The total number of packets available.*/ - int op_count; - /*Central working state for the packet-to-PCM decoder.*/ - OpusMSDecoder *od; - /*The application-provided packet decode callback.*/ - op_decode_cb_func decode_cb; - /*The application-provided packet decode callback context.*/ - void *decode_cb_ctx; - /*The stream count used to initialize the decoder.*/ - int od_stream_count; - /*The coupled stream count used to initialize the decoder.*/ - int od_coupled_count; - /*The channel count used to initialize the decoder.*/ - int od_channel_count; - /*The channel mapping used to initialize the decoder.*/ - unsigned char od_mapping[OP_NCHANNELS_MAX]; - /*The buffered data for one decoded packet.*/ - op_sample *od_buffer; - /*The current position in the decoded buffer.*/ - int od_buffer_pos; - /*The number of valid samples in the decoded buffer.*/ - int od_buffer_size; - /*The type of gain offset to apply. - One of OP_HEADER_GAIN, OP_TRACK_GAIN, or OP_ABSOLUTE_GAIN.*/ - int gain_type; - /*The offset to apply to the gain.*/ - opus_int32 gain_offset_q8; - /*Internal state for soft clipping and dithering float->short output.*/ -#if !defined(OP_FIXED_POINT) -# if defined(OP_SOFT_CLIP) - float clip_state[OP_NCHANNELS_MAX]; -# endif - float dither_a[OP_NCHANNELS_MAX*4]; - float dither_b[OP_NCHANNELS_MAX*4]; - opus_uint32 dither_seed; - int dither_mute; - int dither_disabled; - /*The number of channels represented by the internal state. - This gets set to 0 whenever anything that would prevent state propagation - occurs (switching between the float/short APIs, or between the - stereo/multistream APIs).*/ - int state_channel_count; -#endif -}; - -int op_strncasecmp(const char *_a,const char *_b,int _n); - -#endif |