svq3 decoder. More...

#include "internal.h"
#include "avcodec.h"
#include "mpegvideo.h"
#include "h264.h"
#include "h264data.h"
#include "h264_mvpred.h"
#include "golomb.h"
#include "hpeldsp.h"
#include "rectangle.h"
#include "vdpau_internal.h"
#include "svq1.h"
#include "svq3.h"

Include dependency graph for svq3.c:

Go to the source code of this file.

Data Structures
struct	SVQ3Context

Macros
#define	FULLPEL_MODE 1

#define	HALFPEL_MODE 2

#define	THIRDPEL_MODE 3

#define	PREDICT_MODE 4

#define	stride 16

Functions
void	ff_svq3_luma_dc_dequant_idct_c (int16_t output, int16_t input, int qp)

void	ff_svq3_add_idct_c (uint8_t dst, int16_t block, int stride, int qp, int dc)

static int	svq3_decode_block (GetBitContext gb, int16_t block, int index, const int type)

static void	svq3_mc_dir_part (SVQ3Context *s, int x, int y, int width, int height, int mx, int my, int dxy, int thirdpel, int dir, int avg)

static int	svq3_mc_dir (SVQ3Context *s, int size, int mode, int dir, int avg)

static int	svq3_decode_mb (SVQ3Context *s, unsigned int mb_type)

static int	svq3_decode_slice_header (AVCodecContext *avctx)

static av_cold int	svq3_decode_init (AVCodecContext *avctx)

static void	free_picture (AVCodecContext avctx, Picture pic)

static int	get_buffer (AVCodecContext avctx, Picture pic)

static int	svq3_decode_frame (AVCodecContext avctx, void data, int got_frame, AVPacket avpkt)

static int	svq3_decode_end (AVCodecContext *avctx)

Variables
static const uint8_t	svq3_scan [16]

static const uint8_t	svq3_pred_0 [25][2]

static const int8_t	svq3_pred_1 [6][6][5]

struct {
uint8_t run

uint8_t level

}	svq3_dct_tables [2][16]

static const uint32_t	svq3_dequant_coeff [32]

AVCodec	ff_svq3_decoder

Detailed Description

svq3 decoder.

Definition in file svq3.c.

Macro Definition Documentation

#define FULLPEL_MODE 1

Definition at line 87 of file svq3.c.

Referenced by svq3_decode_mb().

#define HALFPEL_MODE 2

Definition at line 88 of file svq3.c.

Referenced by svq3_decode_mb(), and svq3_mc_dir().

#define PREDICT_MODE 4

Definition at line 90 of file svq3.c.

Referenced by svq3_decode_mb(), and svq3_mc_dir().

#define stride 16

Referenced by ff_svq3_luma_dc_dequant_idct_c().

#define THIRDPEL_MODE 3

Definition at line 89 of file svq3.c.

Referenced by svq3_decode_mb(), and svq3_mc_dir().

Function Documentation

void ff_svq3_add_idct_c	(	uint8_t *	dst,
		int16_t *	block,
		int	stride,
		int	qp,
		int	dc
	)

Definition at line 187 of file svq3.c.

Referenced by hl_decode_mb(), hl_decode_mb_idct_luma(), and hl_decode_mb_predict_luma().

void ff_svq3_luma_dc_dequant_idct_c	(	int16_t *	output,
		int16_t *	input,
		int	qp
	)

Definition at line 152 of file svq3.c.

Referenced by hl_decode_mb_predict_luma().

static void free_picture	(	AVCodecContext *	avctx,
		Picture *	pic
	)

static

Definition at line 1027 of file svq3.c.

Referenced by get_buffer(), and svq3_decode_end().

static int get_buffer	(	AVCodecContext *	avctx,
		Picture *	pic
	)

static

Definition at line 1039 of file svq3.c.

Referenced by svq3_decode_frame().

static int svq3_decode_block	(	GetBitContext *	gb,
		int16_t *	block,
		int	index,
		const int	type
	)

inlinestatic

Definition at line 227 of file svq3.c.

Referenced by svq3_decode_mb().

static int svq3_decode_end ( AVCodecContext * avctx )

static

Definition at line 1313 of file svq3.c.

static int svq3_decode_frame	(	AVCodecContext *	avctx,
		void *	data,
		int *	got_frame,
		AVPacket *	avpkt
	)

static

Definition at line 1091 of file svq3.c.

static av_cold int svq3_decode_init ( AVCodecContext * avctx )

static

Definition at line 851 of file svq3.c.

static int svq3_decode_mb	(	SVQ3Context *	s,
		unsigned int	mb_type
	)

static

Definition at line 471 of file svq3.c.

Referenced by svq3_decode_frame().

static int svq3_decode_slice_header ( AVCodecContext * avctx )

static

Definition at line 760 of file svq3.c.

Referenced by svq3_decode_frame().

static int svq3_mc_dir	(	SVQ3Context *	s,
		int	size,
		int	mode,
		int	dir,
		int	avg
	)

inlinestatic

Definition at line 357 of file svq3.c.

Referenced by svq3_decode_mb().

static void svq3_mc_dir_part	(	SVQ3Context *	s,
		int	x,
		int	y,
		int	width,
		int	height,
		int	mx,
		int	my,
		int	dxy,
		int	thirdpel,
		int	dir,
		int	avg
	)

inlinestatic

Definition at line 285 of file svq3.c.

Referenced by svq3_decode_mb(), and svq3_mc_dir().

Variable Documentation

AVCodec ff_svq3_decoder

Initial value:

= {
    .name           = "svq3",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_SVQ3,
    .priv_data_size = sizeof(SVQ3Context),
    .init           = svq3_decode_init,
    .close          = svq3_decode_end,
    .decode         = svq3_decode_frame,
    .capabilities   = CODEC_CAP_DRAW_HORIZ_BAND |
                      CODEC_CAP_DR1             |
                      CODEC_CAP_DELAY,
    .long_name      = NULL_IF_CONFIG_SMALL("Sorenson Vector Quantizer 3 / Sorenson Video 3 / SVQ3"),
    .pix_fmts       = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUVJ420P,
                                                     AV_PIX_FMT_NONE},
}

Definition at line 1336 of file svq3.c.

uint8_t level

Definition at line 137 of file svq3.c.

Referenced by svq3_decode_block().

uint8_t run

Definition at line 136 of file svq3.c.

Referenced by bink_decode_plane(), binkb_decode_plane(), bit8x8_c(), dct_quantize_refine(), dct_quantize_trellis_c(), dct_single_coeff_elimination(), decode_ac_coeffs(), decode_block_intra(), decode_block_progressive(), decode_block_refinement(), decode_coeffs(), decode_frame(), decode_group3_1d_line(), decode_group3_2d_line(), decode_residual_block(), decode_rle(), dnxhd_init_vlc(), dv_decode_ac(), dv_rl2vlc(), dv_rl2vlc_size(), encode_ac_coeffs(), encode_acs(), encode_block(), encode_subband_c0run(), estimate_acs(), ff_dvvideo_init(), ff_init_rl(), ff_init_vlc_rl(), ff_msmpeg4_decode_block(), ff_msmpeg4_encode_block(), ff_msmpeg4_encode_init(), find_best_tables(), fix_coding_method_array(), get_rl_index(), get_size_of_code(), h261_decode_block(), h261_encode_block(), h263_decode_block(), h263_encode_block(), init_2d_vlc_rl(), init_quantized_coeffs_elem0(), init_uni_ac_vlc(), init_uni_h263_rl_tab(), init_uni_mpeg4_rl_tab(), ivi_decode_blocks(), ls_encode_line(), mdec_decode_block_intra(), mpeg1_decode_block_inter(), mpeg1_decode_block_intra(), mpeg1_encode_block(), mpeg1_fast_decode_block_inter(), mpeg2_decode_block_intra(), mpeg2_decode_block_non_intra(), mpeg2_fast_decode_block_intra(), mpeg2_fast_decode_block_non_intra(), mpeg4_decode_block(), mpeg4_encode_block(), mpeg4_get_block_length(), pcx_rle_decode(), picmemset_8bpp(), process_subpacket_9(), put_bits_left(), put_line(), qpeg_decode_intra(), rd8x8_c(), read_block_types(), sunrast_decode_frame(), sunrast_image_write_image(), svq3_decode_block(), synthfilt_build_sb_samples(), unpack(), unpack_coeffs(), vc1_decode_ac_coeff(), vp6_parse_coeff(), vp6_parse_coeff_huffman(), and x8_decode_intra_mb().

const { ... } svq3_dct_tables[2][16]

Initial value:

= {
    { { 0, 0 }, { 0, 1 }, { 1, 1 }, { 2, 1 }, { 0, 2 }, { 3, 1 }, { 4, 1 }, { 5, 1 },
      { 0, 3 }, { 1, 2 }, { 2, 2 }, { 6, 1 }, { 7, 1 }, { 8, 1 }, { 9, 1 }, { 0, 4 } },
    { { 0, 0 }, { 0, 1 }, { 1, 1 }, { 0, 2 }, { 2, 1 }, { 0, 3 }, { 0, 4 }, { 0, 5 },
      { 3, 1 }, { 4, 1 }, { 1, 2 }, { 1, 3 }, { 0, 6 }, { 0, 7 }, { 0, 8 }, { 0, 9 } }
}

Referenced by svq3_decode_block().

const uint32_t svq3_dequant_coeff[32]

static

Initial value:

= {
     3881,  4351,  4890,  5481,   6154,   6914,   7761,   8718,
     9781, 10987, 12339, 13828,  15523,  17435,  19561,  21873,
    24552, 27656, 30847, 34870,  38807,  43747,  49103,  54683,
    61694, 68745, 77615, 89113, 100253, 109366, 126635, 141533
}

Definition at line 145 of file svq3.c.

Referenced by ff_svq3_add_idct_c(), and ff_svq3_luma_dc_dequant_idct_c().

const uint8_t svq3_pred_0[25][2]

static

Initial value:

= {
    { 0, 0 },
    { 1, 0 }, { 0, 1 },
    { 0, 2 }, { 1, 1 }, { 2, 0 },
    { 3, 0 }, { 2, 1 }, { 1, 2 }, { 0, 3 },
    { 0, 4 }, { 1, 3 }, { 2, 2 }, { 3, 1 }, { 4, 0 },
    { 4, 1 }, { 3, 2 }, { 2, 3 }, { 1, 4 },
    { 2, 4 }, { 3, 3 }, { 4, 2 },
    { 4, 3 }, { 3, 4 },
    { 4, 4 }
}

Definition at line 108 of file svq3.c.

Referenced by svq3_decode_mb().

const int8_t svq3_pred_1[6][6][5]

static

Initial value:

= {
    { { 2, -1, -1, -1, -1 }, { 2, 1, -1, -1, -1 }, { 1, 2, -1, -1, -1 },
      { 2,  1, -1, -1, -1 }, { 1, 2, -1, -1, -1 }, { 1, 2, -1, -1, -1 } },
    { { 0,  2, -1, -1, -1 }, { 0, 2,  1,  4,  3 }, { 0, 1,  2,  4,  3 },
      { 0,  2,  1,  4,  3 }, { 2, 0,  1,  3,  4 }, { 0, 4,  2,  1,  3 } },
    { { 2,  0, -1, -1, -1 }, { 2, 1,  0,  4,  3 }, { 1, 2,  4,  0,  3 },
      { 2,  1,  0,  4,  3 }, { 2, 1,  4,  3,  0 }, { 1, 2,  4,  0,  3 } },
    { { 2,  0, -1, -1, -1 }, { 2, 0,  1,  4,  3 }, { 1, 2,  0,  4,  3 },
      { 2,  1,  0,  4,  3 }, { 2, 1,  3,  4,  0 }, { 2, 4,  1,  0,  3 } },
    { { 0,  2, -1, -1, -1 }, { 0, 2,  1,  3,  4 }, { 1, 2,  3,  0,  4 },
      { 2,  0,  1,  3,  4 }, { 2, 1,  3,  0,  4 }, { 2, 0,  4,  3,  1 } },
    { { 0,  2, -1, -1, -1 }, { 0, 2,  4,  1,  3 }, { 1, 4,  2,  0,  3 },
      { 4,  2,  0,  1,  3 }, { 2, 0,  1,  4,  3 }, { 4, 2,  1,  0,  3 } },
}

Definition at line 120 of file svq3.c.

Referenced by svq3_decode_mb().

const uint8_t svq3_scan[16]

static

Initial value:

= {
    0 + 0 * 4, 1 + 0 * 4, 2 + 0 * 4, 2 + 1 * 4,
    2 + 2 * 4, 3 + 0 * 4, 3 + 1 * 4, 3 + 2 * 4,
    0 + 1 * 4, 0 + 2 * 4, 1 + 1 * 4, 1 + 2 * 4,
    0 + 3 * 4, 1 + 3 * 4, 2 + 3 * 4, 3 + 3 * 4,
}

Definition at line 101 of file svq3.c.

Referenced by svq3_decode_block().

Paris Hackday Code

Data Structures

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

Function Documentation

Variable Documentation