LAME: /home/netchild/work/src/lame/lame/libmp3lame/vbrquantize.c File Reference

static uint8_t tri_calc_sfb_noise_ISO	(	const FLOAT *	xr,
		const FLOAT *	xr34,
		FLOAT	l3_xmin,
		unsigned int	bw,
		uint8_t	sf,
		calc_noise_cache_t *	did_it
	)			`[static]`

Definition at line 429 of file vbrquantize.c.

References calc_sfb_noise_ISO(), calc_noise_cache::valid, and calc_noise_cache::value.

Referenced by find_scalefac_ISO().

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static uint8_t tri_calc_sfb_noise_x34	(	const FLOAT *	xr,
		const FLOAT *	xr34,
		FLOAT	l3_xmin,
		unsigned int	bw,
		uint8_t	sf,
		calc_noise_cache_t *	did_it
	)			`[static]`

Definition at line 394 of file vbrquantize.c.

References calc_sfb_noise_x34(), calc_noise_cache::valid, and calc_noise_cache::value.

Referenced by find_scalefac_x34().

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static int tryGlobalStepsize	(	const algo_t *	that,
		const int	sfwork[SFBMAX],
		const int	vbrsfmin[SFBMAX],
		int	delta
	)			`[static]`

Definition at line 1299 of file vbrquantize.c.

References algo_s::alloc, bitcount(), algo_s::cod_info, LARGE_BITS, quantizeAndCountBits(), and gr_info::xrpow_max.

Referenced by searchGlobalStepsizeMax().

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int VBR_encode_frame	(	lame_internal_flags *	gfc,
		FLOAT const	xr34orig[2][2][576],
		FLOAT const	l3_xmin[2][2][SFBMAX],
		int const	max_bits[2][2]
	)

Definition at line 1481 of file vbrquantize.c.

References algo_s::alloc, lame_internal_flags::channels_out, algo_s::cod_info, algo_s::find, find_scalefac_ISO(), find_scalefac_x34(), gfc, algo_s::gfc, lame_internal_flags::l3_side, long_block_constrain(), lame_internal_flags::mode_gr, lame_internal_flags::quantization, algo_s::quantize, quantize_ISO(), quantize_x34(), short_block_constrain(), SHORT_TYPE, III_side_info_t::tt, and algo_s::xr34orig.

Referenced by VBR_new_iteration_loop().

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float f

Definition at line 78 of file vbrquantize.c.

Referenced by apply_preset(), calc_xmin(), compute_ffts(), ConvertFromIeeeExtended(), init_s3_values(), iteration_init(), L3psycho_anal(), L3psycho_anal_ns(), mask_add(), ns_msfix(), and parse_args_from_string().

int i

Definition at line 79 of file vbrquantize.c.

Referenced by add_dummy_byte(), addVbr(), all_scalefactors_not_negative(), analyzeResult(), AnalyzeSamples(), best_huffman_divide(), best_scalefac_store(), BitrateIndex(), block_sf(), check_vbr_header(), compute_ath(), compute_masking_s(), copy_buffer(), CRC_update(), CRC_writeheader(), decodeMP3_clipchoice(), display_bitrate(), do_layer1(), do_layer2(), drain_into_ancillary(), fft_long(), fft_short(), fht(), fill_buffer(), fill_buffer_resample(), find_lowest_scalefac(), find_scalefac_ISO(), find_scalefac_x34(), FindNearestBitrate(), findpixmap(), format_bitstream(), free_id3tag(), freegfc(), get_audio_common(), get_framebits(), GetTitleGain(), gpk_bargraph_draw(), gpk_graph_draw(), gpk_rectangle_draw(), huffman_coder_count1(), huffman_init(), I_step_one(), I_step_two(), id3tag_genre_list(), id3tag_set_genre(), II_step_one(), II_step_two(), init_fft(), init_layer2(), init_layer3(), init_numline(), init_s3_values(), init_xrpow(), init_xrpow_core_c(), iteration_init(), L3psycho_anal(), L3psycho_anal_ns(), lame_bitrate_block_type_hist(), lame_bitrate_hist(), lame_bitrate_kbps(), lame_bitrate_stereo_mode_hist(), lame_block_type_hist(), lame_decoder(), lame_encode_buffer(), lame_encode_buffer_float(), lame_encode_buffer_int(), lame_encode_buffer_interleaved(), lame_encode_buffer_long(), lame_encode_buffer_long2(), lame_encode_buffer_sample_t(), lame_encode_frame_init(), lame_init_params(), lame_stereo_mode_hist(), LongHuffmancodebits(), main(), make_decode_tables(), mask_add(), maxvalue(), ms_convert(), noquant_count_bits(), parse_args(), plot_frame(), psycho_loudness_approx(), psymodel_init(), ResetSampleFrequency(), scale_bitcount_lsf(), scfsi_calc(), set_pinfo(), set_subblock_gain(), sync_buffer(), unpack_read_samples(), window_subband(), writeMainData(), and Xing_seek_table().

DOUBLEX const MAGIC_FLOAT = MAGIC_FLOAT_def [static]

Definition at line 109 of file vbrquantize.c.

Referenced by k_34_2(), and k_34_4().

int const MAGIC_INT = MAGIC_INT_def [static]

Definition at line 105 of file vbrquantize.c.

Referenced by k_34_2(), k_34_4(), k_iso_2(), and k_iso_4().

const uint8_t max_range_long[SBMAX_l] [static]

Initial value:

 {
    15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 0
}

Definition at line 751 of file vbrquantize.c.

Referenced by long_block_constrain().

const uint8_t max_range_long_lsf_pretab[SBMAX_l] [static]

Initial value:

 {
    7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
}

Definition at line 755 of file vbrquantize.c.

Referenced by long_block_constrain().

const uint8_t max_range_short[SBMAX_s *3] [static]

Initial value:

 {
    15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
    0, 0, 0
}

Definition at line 745 of file vbrquantize.c.

Referenced by short_block_constrain().

DOUBLEX const ROUNDFAC = ROUNDFAC_def [static]

Definition at line 107 of file vbrquantize.c.

DOUBLEX const ROUNDFAC_plus_MAGIC_FLOAT = ROUNDFAC_def + MAGIC_FLOAT_def [static]

Definition at line 110 of file vbrquantize.c.

Referenced by k_iso_2(), and k_iso_4().

vbrquantize.c File Reference

Classes

Defines

Typedefs

Functions

Variables

Define Documentation

Typedef Documentation

Function Documentation

Variable Documentation


Classes
struct	algo_s
struct	calc_noise_cache
Defines
#define	VOLATILE
#define	DOUBLEX double
#define	MAGIC_FLOAT_def (65536*(128))
#define	MAGIC_INT_def 0x4b000000
#define	QUANTFAC(rx) adj43[rx]
#define	ROUNDFAC_def 0.4054f
#define	XRPOW_FTOI(src, dest) ((dest) = (int)(src))
Typedefs
typedef algo_s	algo_t
typedef void(*)	quantize_f (const algo_t *)
typedef uint8_t(*)	find_f (const FLOAT , const FLOAT , FLOAT, unsigned int, uint8_t)
typedef int(*)	alloc_sf_f (const algo_t , int , const int *, int)
union {
float f
int i
}	fi_union
typedef calc_noise_cache	calc_noise_cache_t
Functions
static FLOAT	max_x34 (const FLOAT *xr34, unsigned int bw)
static uint8_t	find_lowest_scalefac (const FLOAT xr34)
static void	k_34_4 (DOUBLEX x[4], int l3[4])
static void	k_34_2 (DOUBLEX x[2], int l3[2])
static void	k_iso_4 (DOUBLEX x[4], int l3[4])
static void	k_iso_2 (DOUBLEX x[2], int l3[2])
static FLOAT	calc_sfb_noise_x34 (const FLOAT xr, const FLOAT xr34, unsigned int bw, uint8_t sf)
static FLOAT	calc_sfb_noise_ISO (const FLOAT xr, const FLOAT xr34, unsigned int bw, uint8_t sf)
static uint8_t	tri_calc_sfb_noise_x34 (const FLOAT xr, const FLOAT xr34, FLOAT l3_xmin, unsigned int bw, uint8_t sf, calc_noise_cache_t *did_it)
static uint8_t	tri_calc_sfb_noise_ISO (const FLOAT xr, const FLOAT xr34, FLOAT l3_xmin, unsigned int bw, uint8_t sf, calc_noise_cache_t *did_it)
static uint8_t	find_scalefac_x34 (const FLOAT xr, const FLOAT xr34, FLOAT l3_xmin, unsigned int bw, uint8_t sf_min)
static uint8_t	find_scalefac_ISO (const FLOAT xr, const FLOAT xr34, FLOAT l3_xmin, unsigned int bw, uint8_t sf_min)
static int	block_sf (algo_t *that, const FLOAT l3_xmin[SFBMAX], int vbrsf[SFBMAX], int vbrsfmin[SFBMAX])
static void	quantize_x34 (const algo_t *that)
static void	quantize_ISO (const algo_t *that)
static void	set_subblock_gain (gr_info *cod_info, const int mingain_s[3], int sf[])
static void	set_scalefacs (gr_info cod_info, const int vbrsfmin, int sf[], const uint8_t *max_range)
static int	checkScalefactor (const gr_info *cod_info, const int vbrsfmin[SFBMAX])
static int	short_block_constrain (const algo_t *that, int vbrsf[SFBMAX], const int vbrsfmin[SFBMAX], int vbrmax)
static int	long_block_constrain (const algo_t *that, int vbrsf[SFBMAX], const int vbrsfmin[SFBMAX], int vbrmax)
static int	bitcount (const algo_t *that)
static int	quantizeAndCountBits (const algo_t *that)
static int	tryGlobalStepsize (const algo_t *that, const int sfwork[SFBMAX], const int vbrsfmin[SFBMAX], int delta)
static void	searchGlobalStepsizeMax (const algo_t *that, const int sfwork[SFBMAX], const int vbrsfmin[SFBMAX], int target)
static void	reduce_bit_usage (lame_internal_flags *gfc, int gr, int ch)
int	VBR_encode_frame (lame_internal_flags *gfc, FLOAT const xr34orig[2][2][576], FLOAT const l3_xmin[2][2][SFBMAX], int const max_bits[2][2])
Variables
static int const	MAGIC_INT = MAGIC_INT_def
static DOUBLEX const	ROUNDFAC = ROUNDFAC_def
static DOUBLEX const	MAGIC_FLOAT = MAGIC_FLOAT_def
static DOUBLEX const	ROUNDFAC_plus_MAGIC_FLOAT = ROUNDFAC_def + MAGIC_FLOAT_def
static const uint8_t	max_range_short [SBMAX_s *3]
static const uint8_t	max_range_long [SBMAX_l]
static const uint8_t	max_range_long_lsf_pretab [SBMAX_l]