hvirtual/toolame-02l/bitstream.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include "common.h"
#include "mem.h"
#include "bitstream.h"

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Defines
#define	BUFSIZE   4096
Functions
int	refill_buffer (Bit_stream_struc *bs)
void	empty_buffer (Bit_stream_struc *bs, int minimum)
void	open_bit_stream_w (Bit_stream_struc *bs, char *bs_filenam, int size)
void	close_bit_stream_w (Bit_stream_struc *bs)
void	alloc_buffer (Bit_stream_struc *bs, int size)
void	desalloc_buffer (Bit_stream_struc *bs)
void	back_track_buffer (Bit_stream_struc *bs, int N)
void	put1bit (Bit_stream_struc *bs, int bit)
INLINE void	putbits (Bit_stream_struc *bs, unsigned int val, int N)
void	byte_ali_putbits (Bit_stream_struc *bs, unsigned int val, int N)
unsigned long	sstell (Bit_stream_struc *bs)
int	end_bs (Bit_stream_struc *bs)
unsigned long	hsstell ()
void	hputbuf (unsigned int val, int N)
Variables
int	minimum = MINIMUM
int	putmask [9] = { 0x0, 0x1, 0x3, 0x7, 0xf, 0x1f, 0x3f, 0x7f, 0xff }
int	clearmask [9] = { 0xff, 0xfe, 0xfc, 0xf8, 0xf0, 0xe0, 0xc0, 0x80, 0x0 }
int	mask [8] = { 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, 0x40, 0x80 }
static unsigned long	offset
static unsigned long	totbit = 0
static unsigned int	buf [BUFSIZE]

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Define Documentation

#define BUFSIZE   4096

Definition at line 261 of file bitstream.c.

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Function Documentation

void alloc_buffer	(	Bit_stream_struc *	bs,
		int	size
	)

Definition at line 147 of file bitstream.c.

References bit_stream_struc::buf, bit_stream_struc::buf_size, and mem_alloc().

Referenced by open_bit_stream_w().

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void back_track_buffer	(	Bit_stream_struc *	bs,
		int	N
	)

Definition at line 163 of file bitstream.c.

References bit_stream_struc::buf, bit_stream_struc::buf_bit_idx, bit_stream_struc::buf_byte_idx, clearmask, and bit_stream_struc::totbit.

void byte_ali_putbits	(	Bit_stream_struc *	bs,
		unsigned int	val,
		int	N
	)

Definition at line 227 of file bitstream.c.

References fprintf, MAX_LENGTH, putbits(), and sstell().

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void close_bit_stream_w

(

Bit_stream_struc *

bs

)

Definition at line 138 of file bitstream.c.

References bit_stream_struc::buf_byte_idx, desalloc_buffer(), empty_buffer(), fclose(), bit_stream_struc::pt, and putbits().

Referenced by toolame().

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void desalloc_buffer

(

Bit_stream_struc *

bs

)

Definition at line 155 of file bitstream.c.

References bit_stream_struc::buf.

Referenced by close_bit_stream_w().

void empty_buffer	(	Bit_stream_struc *	bs,
		int	minimum
	)

Definition at line 103 of file bitstream.c.

References bit_stream_struc::buf, bit_stream_struc::buf_bit_idx, bit_stream_struc::buf_byte_idx, bit_stream_struc::buf_size, fwrite(), and bit_stream_struc::pt.

Referenced by close_bit_stream_w(), put1bit(), and putbits().

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int end_bs

(

Bit_stream_struc *

bs

)

Definition at line 250 of file bitstream.c.

References bit_stream_struc::eobs.

void hputbuf	(	unsigned int	val,
		int	N
	)

Definition at line 275 of file bitstream.c.

References buf, BUFSIZE, fprintf, and offset.

unsigned long hsstell

(

void

)

Definition at line 266 of file bitstream.c.

References totbit.

void open_bit_stream_w	(	Bit_stream_struc *	bs,
		char *	bs_filenam,
		int	size
	)

Definition at line 120 of file bitstream.c.

References alloc_buffer(), bit_stream_struc::buf_bit_idx, bit_stream_struc::buf_byte_idx, bit_stream_struc::eob, bit_stream_struc::eobs, FALSE, fopen(), fprintf, bit_stream_struc::mode, NULL, bit_stream_struc::pt, bit_stream_struc::totbit, and WRITE_MODE.

Referenced by parse_args().

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void put1bit	(	Bit_stream_struc *	bs,
		int	bit
	)

Definition at line 185 of file bitstream.c.

References bit_stream_struc::buf, bit_stream_struc::buf_bit_idx, bit_stream_struc::buf_byte_idx, empty_buffer(), minimum, and bit_stream_struc::totbit.

Referenced by encode_info(), toolame(), and write_header().

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INLINE void putbits	(	Bit_stream_struc *	bs,
		unsigned int	val,
		int	N
	)

Definition at line 201 of file bitstream.c.

References bit_stream_struc::buf, bit_stream_struc::buf_bit_idx, bit_stream_struc::buf_byte_idx, empty_buffer(), MIN, minimum, putmask, and bit_stream_struc::totbit.

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int refill_buffer

(

Bit_stream_struc *

bs

)

Definition at line 44 of file bitstream.c.

References BINARY, bit_stream_struc::buf, bit_stream_struc::buf_byte_idx, bit_stream_struc::buf_size, bit_stream_struc::eob, bit_stream_struc::format, fread(), and bit_stream_struc::pt.

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unsigned long sstell

(

Bit_stream_struc *

bs

)

Definition at line 242 of file bitstream.c.

References bit_stream_struc::totbit.

Referenced by byte_ali_putbits(), and toolame().

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Variable Documentation

unsigned int buf[BUFSIZE] [static]

Definition at line 263 of file bitstream.c.

Referenced by a52_imdct_512(), avcodec_default_free_buffers(), avcodec_default_get_buffer(), avcodec_default_release_buffer(), bufalloc(), calculate_vissual_weight(), compute_imdct(), compute_stats(), decode_mb_cavlc(), decode_user_data(), deinterlace_bottom_field_inplace(), do_video_out(), dts_decode_frame(), find_rtp_session_with_url(), foveon_thumb(), get_level_prefix(), get_prefix(), get_se_golomb(), get_ue_golomb(), get_ur_golomb(), get_ur_golomb_jpegls(), hputbuf(), kodak_65000_load_raw(), kodak_jpeg_load_raw(), kodak_radc_load_raw(), kodak_rgb_load_raw(), kodak_ycbcr_load_raw(), open_input_stream(), parse_makernote(), parse_tiff_ifd(), pre_process_video_frame(), print_report(), roqvideo_decode_frame(), rtsp_cmd_setup(), show_help_options(), slice_decode_thread(), svq3_get_se_golomb(), svq3_get_ue_golomb(), BC_Bitmap::transparency_bitswap(), video_decode_example(), and vorbis_parse_audio_packet().

int clearmask[9] = { 0xff, 0xfe, 0xfc, 0xf8, 0xf0, 0xe0, 0xc0, 0x80, 0x0 }

Definition at line 161 of file bitstream.c.

Referenced by back_track_buffer().

int mask[8] = { 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, 0x40, 0x80 }

Definition at line 182 of file bitstream.c.

int minimum = MINIMUM

Definition at line 43 of file bitstream.c.

unsigned long offset [static]

Definition at line 262 of file bitstream.c.

int putmask[9] = { 0x0, 0x1, 0x3, 0x7, 0xf, 0x1f, 0x3f, 0x7f, 0xff }

Definition at line 160 of file bitstream.c.

Referenced by putbits().

unsigned long totbit = 0 [static]

Definition at line 262 of file bitstream.c.

Referenced by hsstell().