libavcodec/svq3.c File Reference

svq3 decoder. More...

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

Go to the source code of this file.

Data Structures

struct  SVQ3Context

Defines

#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 (DCTELEM *output, DCTELEM *input, int qp)
void ff_svq3_add_idct_c (uint8_t *dst, DCTELEM *block, int stride, int qp, int dc)
static int svq3_decode_block (GetBitContext *gb, DCTELEM *block, int index, const int type)
static void svq3_mc_dir_part (MpegEncContext *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 (H264Context *h, int size, int mode, int dir, int avg)
static int svq3_decode_mb (SVQ3Context *svq3, unsigned int mb_type)
static int svq3_decode_slice_header (AVCodecContext *avctx)
static av_cold int svq3_decode_init (AVCodecContext *avctx)
static int svq3_decode_frame (AVCodecContext *avctx, void *data, int *data_size, 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.


Define Documentation

#define FULLPEL_MODE   1

Definition at line 77 of file svq3.c.

Referenced by svq3_decode_mb().

#define HALFPEL_MODE   2

Definition at line 78 of file svq3.c.

Referenced by svq3_decode_mb(), and svq3_mc_dir().

#define PREDICT_MODE   4

Definition at line 80 of file svq3.c.

Referenced by svq3_decode_mb(), and svq3_mc_dir().

#define stride   16

#define THIRDPEL_MODE   3

Definition at line 79 of file svq3.c.

Referenced by svq3_decode_mb(), and svq3_mc_dir().


Function Documentation

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

void ff_svq3_luma_dc_dequant_idct_c ( DCTELEM output,
DCTELEM input,
int  qp 
)

Definition at line 139 of file svq3.c.

Referenced by hl_decode_mb_predict_luma().

static int svq3_decode_block ( GetBitContext gb,
DCTELEM block,
int  index,
const int  type 
) [inline, static]

Definition at line 210 of file svq3.c.

Referenced by svq3_decode_mb().

static int svq3_decode_end ( AVCodecContext avctx  )  [static]

Definition at line 1117 of file svq3.c.

static int svq3_decode_frame ( AVCodecContext avctx,
void *  data,
int *  data_size,
AVPacket avpkt 
) [static]

Definition at line 947 of file svq3.c.

static av_cold int svq3_decode_init ( AVCodecContext avctx  )  [static]

Definition at line 808 of file svq3.c.

static int svq3_decode_mb ( SVQ3Context svq3,
unsigned int  mb_type 
) [static]

Definition at line 438 of file svq3.c.

Referenced by svq3_decode_frame().

static int svq3_decode_slice_header ( AVCodecContext avctx  )  [static]

Definition at line 721 of file svq3.c.

Referenced by svq3_decode_frame().

static int svq3_mc_dir ( H264Context h,
int  size,
int  mode,
int  dir,
int  avg 
) [inline, static]

Definition at line 329 of file svq3.c.

Referenced by svq3_decode_mb().

static void svq3_mc_dir_part ( MpegEncContext s,
int  x,
int  y,
int  width,
int  height,
int  mx,
int  my,
int  dxy,
int  thirdpel,
int  dir,
int  avg 
) [inline, static]

Definition at line 267 of file svq3.c.

Referenced by svq3_decode_mb(), and svq3_mc_dir().


Variable Documentation

Initial value:

 {
    .name           = "svq3",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = 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 PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_NONE},
}

Definition at line 1133 of file svq3.c.

uint8_t level

Definition at line 125 of file svq3.c.

Referenced by adpcm_decode_frame(), ass_log(), bit8x8_c(), clip_coeffs(), dct_quantize_c(), dct_quantize_refine(), dct_quantize_TMPL(), dct_quantize_trellis_c(), dct_single_coeff_elimination(), dct_unquantize_h263_altivec(), dct_unquantize_h263_inter_c(), dct_unquantize_h263_intra_c(), dct_unquantize_h263_intra_iwmmxt(), dct_unquantize_h263_intra_mmx(), dct_unquantize_h263_mmi(), dct_unquantize_mpeg1_inter_c(), dct_unquantize_mpeg1_intra_c(), dct_unquantize_mpeg2_inter_c(), dct_unquantize_mpeg2_intra_bitexact(), dct_unquantize_mpeg2_intra_c(), decide_ac_pred(), decode_ac_coeffs(), decode_block(), decode_block_intra(), decode_block_progressive(), decode_coeffs(), decode_component(), decode_frame(), decode_i_block(), decode_lowdelay_slice(), decode_qlogs(), decode_residual(), decode_residual_block(), denoise_dct_c(), dirac_unpack_idwt_params(), dnxhd_10bit_dct_quantize(), dnxhd_calc_ac_bits(), dnxhd_decode_dct_block(), dnxhd_init_vlc(), dnxhd_unquantize_c(), dump_enc_cfg(), dv_decode_ac(), dvvideo_init(), ebml_level_end(), ebml_read_master(), encode_ac_coeffs(), encode_block(), ff_h263_encode_mb(), ff_init_rl(), ff_init_vlc_rl(), ff_snow_common_end(), ff_snow_common_init_after_header(), ff_snow_reset_contexts(), ff_spatial_dwt(), ff_spatial_idwt_buffered_init(), ff_spatial_idwt_buffered_slice(), ff_spatial_idwt_init(), ff_spatial_idwt_init2(), ff_spatial_idwt_slice(), ff_spatial_idwt_slice2(), ff_wma_run_level_decode(), flac_encode_init(), get_block_rate(), guess_palette(), h261_decode_block(), h261_encode_block(), h263_decode_block(), h263_encode_block(), hardthresh_c(), imc_decode_level_coefficients(), init_2d_vlc_rl(), init_coef_vlc(), init_h263_dc_for_msmpeg4(), init_planes(), init_quantized_coeffs_elem0(), init_uni_ac_vlc(), init_uni_dc_tab(), init_uni_h263_rl_tab(), init_uni_mpeg4_rl_tab(), matroska_parse_seekhead_entry(), mdec_decode_block_intra(), mediumthresh_c(), 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_decode_dc(), mpeg4_encode_block(), mpeg4_get_block_length(), opt_loglevel(), process_subpacket_9(), qdm2_fft_generate_tone(), qdm2_fft_tone_synthesizer(), rd8x8_c(), softthresh_c(), svq1_decode_block_intra(), svq1_decode_block_non_intra(), svq1_encode_plane(), svq3_decode_block(), tgq_dconly(), vc1_decode_ac_coeff(), w_c(), and x8_decode_intra_mb().

uint8_t run

struct { ... } svq3_dct_tables[2][16] [static]

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 132 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 98 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 110 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 91 of file svq3.c.

Referenced by svq3_decode_block().


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