static
int xvid_gbl_init(xvid_gbl_init_t * init)
{
unsigned int cpu_flags;
if (XVID_VERSION_MAJOR(init->version) != 1) /* v1.x.x */
return XVID_ERR_VERSION;
cpu_flags = (init->cpu_flags & XVID_CPU_FORCE) ? init->cpu_flags : detect_cpu_flags();
#ifdef JZC_SYS
if(init_mbcoding_data())
return XVID_ERR_MEMORY;
#endif
/* Initialize the function pointers */
#ifdef JZC_MXU_OPT
#else
idct_int32_init();
#endif
init_vlc_tables();
/* Fixed Point Forward/Inverse DCT transformations */
#ifdef JZC_MXU_OPT
idct = jz_idct_c;
#else
idct = idct_int32;
#endif
emms = emms_c;
/* Qpel stuff */
xvid_QP_Funcs = &xvid_QP_Funcs_C;
xvid_QP_Add_Funcs = &xvid_QP_Add_Funcs_C;
xvid_Init_QP();
/* DQuantization functions */
#ifdef JZC_MXU_OPT
dequant_h263_intra = dequant_h263_intra_mxu;
#else
dequant_h263_intra = dequant_h263_intra_c;
#endif//
dequant_h263_inter = dequant_h263_inter_c;
#ifdef JZC_MXU_OPT
dequant_mpeg_intra = dequant_mpeg_intra_mxu;
#else
dequant_mpeg_intra = dequant_mpeg_intra_c;
#endif
dequant_mpeg_inter = dequant_mpeg_inter_c;
/* Block transfer related functions */
transfer_8to16copy = transfer_8to16copy_c;
transfer_16to8copy = transfer_16to8copy_c;
transfer_8to16sub = transfer_8to16sub_c;
transfer_8to16subro = transfer_8to16subro_c;
transfer_8to16sub2 = transfer_8to16sub2_c;
transfer_8to16sub2ro = transfer_8to16sub2ro_c;
transfer_16to8add = transfer_16to8add_c;
transfer8x8_copy = transfer8x8_copy_c;
transfer8x4_copy = transfer8x4_copy_c;
/* Interlacing functions */
// MBFieldTest = MBFieldTest_c; ???
/* Image interpolation related functions */
interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_c;
interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_c;
interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_c;
interpolate8x4_halfpel_h = interpolate8x4_halfpel_h_c;
interpolate8x4_halfpel_v = interpolate8x4_halfpel_v_c;
interpolate8x4_halfpel_hv = interpolate8x4_halfpel_hv_c;
interpolate8x8_halfpel_add = interpolate8x8_halfpel_add_c;
interpolate8x8_halfpel_h_add = interpolate8x8_halfpel_h_add_c;
interpolate8x8_halfpel_v_add = interpolate8x8_halfpel_v_add_c;
interpolate8x8_halfpel_hv_add = interpolate8x8_halfpel_hv_add_c;
interpolate16x16_lowpass_h = interpolate16x16_lowpass_h_c;
interpolate16x16_lowpass_v = interpolate16x16_lowpass_v_c;
interpolate16x16_lowpass_hv = interpolate16x16_lowpass_hv_c;
interpolate8x8_lowpass_h = interpolate8x8_lowpass_h_c;
interpolate8x8_lowpass_v = interpolate8x8_lowpass_v_c;
interpolate8x8_lowpass_hv = interpolate8x8_lowpass_hv_c;
interpolate8x8_6tap_lowpass_h = interpolate8x8_6tap_lowpass_h_c;
interpolate8x8_6tap_lowpass_v = interpolate8x8_6tap_lowpass_v_c;
interpolate8x8_avg2 = interpolate8x8_avg2_c;
interpolate8x8_avg4 = interpolate8x8_avg4_c;
/* postprocessing */
image_brightness = image_brightness_c;
/* Initialize internal colorspace transformation tables */
colorspace_init();
/* All colorspace transformation functions User Format->YV12 */
yv12_to_yv12 = yv12_to_yv12_c;
rgb555_to_yv12 = rgb555_to_yv12_c;
rgb565_to_yv12 = rgb565_to_yv12_c;
bgr_to_yv12 = bgr_to_yv12_c;
bgra_to_yv12 = bgra_to_yv12_c;
abgr_to_yv12 = abgr_to_yv12_c;
rgba_to_yv12 = rgba_to_yv12_c;
argb_to_yv12 = argb_to_yv12_c;
yuyv_to_yv12 = yuyv_to_yv12_c;
uyvy_to_yv12 = uyvy_to_yv12_c;
rgb555i_to_yv12 = rgb555i_to_yv12_c;
rgb565i_to_yv12 = rgb565i_to_yv12_c;
bgri_to_yv12 = bgri_to_yv12_c;
bgrai_to_yv12 = bgrai_to_yv12_c;
abgri_to_yv12 = abgri_to_yv12_c;
rgbai_to_yv12 = rgbai_to_yv12_c;
argbi_to_yv12 = argbi_to_yv12_c;
yuyvi_to_yv12 = yuyvi_to_yv12_c;
uyvyi_to_yv12 = uyvyi_to_yv12_c;
/* All colorspace transformation functions YV12->User format */
yv12_to_rgb555 = yv12_to_rgb555_c;
yv12_to_rgb565 = yv12_to_rgb565_c;
yv12_to_bgr = yv12_to_bgr_c;
yv12_to_bgra = yv12_to_bgra_c;
yv12_to_abgr = yv12_to_abgr_c;
yv12_to_rgba = yv12_to_rgba_c;
yv12_to_argb = yv12_to_argb_c;
yv12_to_yuyv = yv12_to_yuyv_c;
yv12_to_uyvy = yv12_to_uyvy_c;
yv12_to_rgb555i = yv12_to_rgb555i_c;
yv12_to_rgb565i = yv12_to_rgb565i_c;
yv12_to_bgri = yv12_to_bgri_c;
yv12_to_bgrai = yv12_to_bgrai_c;
yv12_to_abgri = yv12_to_abgri_c;
yv12_to_rgbai = yv12_to_rgbai_c;
yv12_to_argbi = yv12_to_argbi_c;
yv12_to_yuyvi = yv12_to_yuyvi_c;
yv12_to_uyvyi = yv12_to_uyvyi_c;
/* Functions used in motion estimation algorithms */
calc_cbp = calc_cbp_c;
#if defined(_DEBUG)
xvid_debug = init->debug;
#endif
return(0);
}
xint
m4v_init_decoder(DEC_CTRL * param, uint8 * video_header,
xint header_size)
{
DECODER *dec;
dec = xvid_malloc(sizeof(DECODER), CACHE_LINE);
if (dec == NULL)
{
return XVID_ERR_MEMORY;
}
param->handle = dec;
/* decode video header for frame width & height */
m4v_decode_header(dec, video_header, header_size);
param->width = dec->width;
param->height = dec->height;
dec->mb_width = (dec->width + 15) / 16;
dec->mb_height = (dec->height + 15) / 16;
dec->num_mb = dec->mb_height * dec->mb_width;
dec->nbits_mba = log2bin(dec->num_mb - 1);
dec->edged_width = 16 * dec->mb_width + 2 * EDGE_SIZE;
dec->edged_height = 16 * dec->mb_height + 2 * EDGE_SIZE;
dec->decoder_clock = 0;
dec->slice =
xvid_malloc(sizeof(xint) * (dec->mb_width + 1) *
(dec->mb_height + 1), CACHE_LINE);
if (dec->slice == NULL)
return XVID_ERR_MEMORY;
if (image_create(&dec->cur, dec->edged_width, dec->edged_height))
{
xvid_free(dec);
return XVID_ERR_MEMORY;
}
if (image_create(&dec->refn, dec->edged_width, dec->edged_height))
{
image_destroy(&dec->cur, dec->edged_width, dec->edged_height);
xvid_free(dec);
return XVID_ERR_MEMORY;
}
dec->mbs =
xvid_malloc(sizeof(MACROBLOCK) * dec->mb_width * dec->mb_height,
CACHE_LINE);
if (dec->mbs == NULL)
{
image_destroy(&dec->refn, dec->edged_width, dec->edged_height);
image_destroy(&dec->cur, dec->edged_width, dec->edged_height);
xvid_free(dec);
return XVID_ERR_MEMORY;
}
init_timer();
init_vlc_tables();
return XVID_ERR_OK;
}
