/* XXX: find a better solution to handle static init */
av_cold void ff_h263_decode_init_vlc(void)
{
static int done = 0;
if (!done) {
done = 1;
INIT_VLC_STATIC(&ff_h263_intra_MCBPC_vlc, INTRA_MCBPC_VLC_BITS, 9,
ff_h263_intra_MCBPC_bits, 1, 1,
ff_h263_intra_MCBPC_code, 1, 1, 72);
INIT_VLC_STATIC(&ff_h263_inter_MCBPC_vlc, INTER_MCBPC_VLC_BITS, 28,
ff_h263_inter_MCBPC_bits, 1, 1,
ff_h263_inter_MCBPC_code, 1, 1, 198);
INIT_VLC_STATIC(&ff_h263_cbpy_vlc, CBPY_VLC_BITS, 16,
&ff_h263_cbpy_tab[0][1], 2, 1,
&ff_h263_cbpy_tab[0][0], 2, 1, 64);
INIT_VLC_STATIC(&mv_vlc, MV_VLC_BITS, 33,
&ff_mvtab[0][1], 2, 1,
&ff_mvtab[0][0], 2, 1, 538);
ff_rl_init(&ff_h263_rl_inter, ff_h263_static_rl_table_store[0]);
ff_rl_init(&ff_rl_intra_aic, ff_h263_static_rl_table_store[1]);
INIT_VLC_RL(ff_h263_rl_inter, 554);
INIT_VLC_RL(ff_rl_intra_aic, 554);
INIT_VLC_STATIC(&h263_mbtype_b_vlc, H263_MBTYPE_B_VLC_BITS, 15,
&ff_h263_mbtype_b_tab[0][1], 2, 1,
&ff_h263_mbtype_b_tab[0][0], 2, 1, 80);
INIT_VLC_STATIC(&cbpc_b_vlc, CBPC_B_VLC_BITS, 4,
&ff_cbpc_b_tab[0][1], 2, 1,
&ff_cbpc_b_tab[0][0], 2, 1, 8);
}
}
static av_cold void speedhq_static_init(void)
{
uint16_t ff_mpeg12_vlc_dc_lum_code_reversed[12];
uint16_t ff_mpeg12_vlc_dc_chroma_code_reversed[12];
/* Exactly the same as MPEG-2, except little-endian. */
reverse_code(ff_mpeg12_vlc_dc_lum_code,
ff_mpeg12_vlc_dc_lum_bits,
ff_mpeg12_vlc_dc_lum_code_reversed,
12);
INIT_LE_VLC_STATIC(&ff_dc_lum_vlc_le, DC_VLC_BITS, 12,
ff_mpeg12_vlc_dc_lum_bits, 1, 1,
ff_mpeg12_vlc_dc_lum_code_reversed, 2, 2, 512);
reverse_code(ff_mpeg12_vlc_dc_chroma_code,
ff_mpeg12_vlc_dc_chroma_bits,
ff_mpeg12_vlc_dc_chroma_code_reversed,
12);
INIT_LE_VLC_STATIC(&ff_dc_chroma_vlc_le, DC_VLC_BITS, 12,
ff_mpeg12_vlc_dc_chroma_bits, 1, 1,
ff_mpeg12_vlc_dc_chroma_code_reversed, 2, 2, 514);
ff_rl_init(&ff_rl_speedhq, ff_speedhq_static_rl_table_store);
INIT_2D_VLC_RL(ff_rl_speedhq, 674, INIT_VLC_LE);
compute_alpha_vlcs();
}
av_cold void ff_h261_common_init(void)
{
static int done = 0;
if (done)
return;
ff_rl_init(&ff_h261_rl_tcoeff, ff_h261_rl_table_store);
done = 1;
}
