av_cold int ff_msmpeg4_decode_init(AVCodecContext *avctx) { MpegEncContext *s = avctx->priv_data; static int done = 0; int i; MVTable *mv; ff_h263_decode_init(avctx); common_init(s); if (!done) { done = 1; for(i=0;i<NB_RL_TABLES;i++) { init_rl(&rl_table[i], static_rl_table_store[i]); } INIT_VLC_RL(rl_table[0], 642); INIT_VLC_RL(rl_table[1], 1104); INIT_VLC_RL(rl_table[2], 554); INIT_VLC_RL(rl_table[3], 940); INIT_VLC_RL(rl_table[4], 962); INIT_VLC_RL(rl_table[5], 554); mv = &mv_tables[0]; INIT_VLC_STATIC(&mv->vlc, MV_VLC_BITS, mv->n + 1, mv->table_mv_bits, 1, 1, mv->table_mv_code, 2, 2, 3714); mv = &mv_tables[1]; INIT_VLC_STATIC(&mv->vlc, MV_VLC_BITS, mv->n + 1, mv->table_mv_bits, 1, 1, mv->table_mv_code, 2, 2, 2694); INIT_VLC_STATIC(&ff_msmp4_dc_luma_vlc[0], DC_VLC_BITS, 120, &ff_table0_dc_lum[0][1], 8, 4, &ff_table0_dc_lum[0][0], 8, 4, 1158); INIT_VLC_STATIC(&ff_msmp4_dc_chroma_vlc[0], DC_VLC_BITS, 120, &ff_table0_dc_chroma[0][1], 8, 4, &ff_table0_dc_chroma[0][0], 8, 4, 1118); INIT_VLC_STATIC(&ff_msmp4_dc_luma_vlc[1], DC_VLC_BITS, 120, &ff_table1_dc_lum[0][1], 8, 4, &ff_table1_dc_lum[0][0], 8, 4, 1476); INIT_VLC_STATIC(&ff_msmp4_dc_chroma_vlc[1], DC_VLC_BITS, 120, &ff_table1_dc_chroma[0][1], 8, 4, &ff_table1_dc_chroma[0][0], 8, 4, 1216); INIT_VLC_STATIC(&v2_dc_lum_vlc, DC_VLC_BITS, 512, &v2_dc_lum_table[0][1], 8, 4, &v2_dc_lum_table[0][0], 8, 4, 1472); INIT_VLC_STATIC(&v2_dc_chroma_vlc, DC_VLC_BITS, 512, &v2_dc_chroma_table[0][1], 8, 4, &v2_dc_chroma_table[0][0], 8, 4, 1506); INIT_VLC_STATIC(&v2_intra_cbpc_vlc, V2_INTRA_CBPC_VLC_BITS, 4, &v2_intra_cbpc[0][1], 2, 1, &v2_intra_cbpc[0][0], 2, 1, 8); INIT_VLC_STATIC(&v2_mb_type_vlc, V2_MB_TYPE_VLC_BITS, 8, &v2_mb_type[0][1], 2, 1, &v2_mb_type[0][0], 2, 1, 128); INIT_VLC_STATIC(&v2_mv_vlc, V2_MV_VLC_BITS, 33, &mvtab[0][1], 2, 1, &mvtab[0][0], 2, 1, 538); INIT_VLC_STATIC(&ff_mb_non_intra_vlc[0], MB_NON_INTRA_VLC_BITS, 128, &wmv2_inter_table[0][0][1], 8, 4, &wmv2_inter_table[0][0][0], 8, 4, 1636); INIT_VLC_STATIC(&ff_mb_non_intra_vlc[1], MB_NON_INTRA_VLC_BITS, 128, &wmv2_inter_table[1][0][1], 8, 4, &wmv2_inter_table[1][0][0], 8, 4, 2648); INIT_VLC_STATIC(&ff_mb_non_intra_vlc[2], MB_NON_INTRA_VLC_BITS, 128, &wmv2_inter_table[2][0][1], 8, 4, &wmv2_inter_table[2][0][0], 8, 4, 1532); INIT_VLC_STATIC(&ff_mb_non_intra_vlc[3], MB_NON_INTRA_VLC_BITS, 128, &wmv2_inter_table[3][0][1], 8, 4, &wmv2_inter_table[3][0][0], 8, 4, 2488); INIT_VLC_STATIC(&ff_msmp4_mb_i_vlc, MB_INTRA_VLC_BITS, 64, &ff_msmp4_mb_i_table[0][1], 4, 2, &ff_msmp4_mb_i_table[0][0], 4, 2, 536); INIT_VLC_STATIC(&ff_inter_intra_vlc, INTER_INTRA_VLC_BITS, 4, &table_inter_intra[0][1], 2, 1, &table_inter_intra[0][0], 2, 1, 8); } switch(s->msmpeg4_version){ case 1: case 2: s->decode_mb= msmpeg4v12_decode_mb; break; case 3: case 4: s->decode_mb= msmpeg4v34_decode_mb; break; case 5: if (CONFIG_WMV2_DECODER) s->decode_mb= ff_wmv2_decode_mb; case 6: //FIXME + TODO VC1 decode mb break; } s->slice_height= s->mb_height; //to avoid 1/0 if the first frame is not a keyframe return 0; }
av_cold int ff_msmpeg4_decode_init(AVCodecContext *avctx) { MpegEncContext *s = avctx->priv_data; static int done = 0; int i; MVTable *mv; ff_h263_decode_init(avctx); common_init(s); if (!done) { done = 1; for(i=0;i<NB_RL_TABLES;i++) { init_rl(&rl_table[i], static_rl_table_store[i]); } INIT_VLC_RL(rl_table[0], 642); INIT_VLC_RL(rl_table[1], 1104); INIT_VLC_RL(rl_table[2], 554); INIT_VLC_RL(rl_table[3], 940); INIT_VLC_RL(rl_table[4], 962); INIT_VLC_RL(rl_table[5], 554); mv = &mv_tables[0]; INIT_VLC_STATIC(&mv->vlc, MV_VLC_BITS, mv->n + 1, mv->table_mv_bits, 1, 1, mv->table_mv_code, 2, 2, 3714); mv = &mv_tables[1]; INIT_VLC_STATIC(&mv->vlc, MV_VLC_BITS, mv->n + 1, mv->table_mv_bits, 1, 1, mv->table_mv_code, 2, 2, 2694); INIT_VLC_STATIC(&ff_msmp4_dc_luma_vlc[0], DC_VLC_BITS, 120, &ff_table0_dc_lum[0][1], 8, 4, &ff_table0_dc_lum[0][0], 8, 4, 1158); INIT_VLC_STATIC(&ff_msmp4_dc_chroma_vlc[0], DC_VLC_BITS, 120, &ff_table0_dc_chroma[0][1], 8, 4, &ff_table0_dc_chroma[0][0], 8, 4, 1118); INIT_VLC_STATIC(&ff_msmp4_dc_luma_vlc[1], DC_VLC_BITS, 120, &ff_table1_dc_lum[0][1], 8, 4, &ff_table1_dc_lum[0][0], 8, 4, 1476); INIT_VLC_STATIC(&ff_msmp4_dc_chroma_vlc[1], DC_VLC_BITS, 120, &ff_table1_dc_chroma[0][1], 8, 4, &ff_table1_dc_chroma[0][0], 8, 4, 1216); INIT_VLC_STATIC(&v2_dc_lum_vlc, DC_VLC_BITS, 512, &v2_dc_lum_table[0][1], 8, 4, &v2_dc_lum_table[0][0], 8, 4, 1472); INIT_VLC_STATIC(&v2_dc_chroma_vlc, DC_VLC_BITS, 512, &v2_dc_chroma_table[0][1], 8, 4, &v2_dc_chroma_table[0][0], 8, 4, 1506); INIT_VLC_STATIC(&v2_intra_cbpc_vlc, V2_INTRA_CBPC_VLC_BITS, 4, &v2_intra_cbpc[0][1], 2, 1, &v2_intra_cbpc[0][0], 2, 1, 8); INIT_VLC_STATIC(&v2_mb_type_vlc, V2_MB_TYPE_VLC_BITS, 8, &v2_mb_type[0][1], 2, 1, &v2_mb_type[0][0], 2, 1, 128); INIT_VLC_STATIC(&v2_mv_vlc, V2_MV_VLC_BITS, 33, &mvtab[0][1], 2, 1, &mvtab[0][0], 2, 1, 538); INIT_VLC_STATIC(&ff_mb_non_intra_vlc[0], MB_NON_INTRA_VLC_BITS, 128, &wmv2_inter_table[0][0][1], 8, 4, &wmv2_inter_table[0][0][0], 8, 4, 1636); INIT_VLC_STATIC(&ff_mb_non_intra_vlc[1], MB_NON_INTRA_VLC_BITS, 128, &wmv2_inter_table[1][0][1], 8, 4, &wmv2_inter_table[1][0][0], 8, 4, 2648); INIT_VLC_STATIC(&ff_mb_non_intra_vlc[2], MB_NON_INTRA_VLC_BITS, 128, &wmv2_inter_table[2][0][1], 8, 4, &wmv2_inter_table[2][0][0], 8, 4, 1532); INIT_VLC_STATIC(&ff_mb_non_intra_vlc[3], MB_NON_INTRA_VLC_BITS, 128, &wmv2_inter_table[3][0][1], 8, 4, &wmv2_inter_table[3][0][0], 8, 4, 2488); INIT_VLC_STATIC(&ff_msmp4_mb_i_vlc, MB_INTRA_VLC_BITS, 64, &ff_msmp4_mb_i_table[0][1], 4, 2, &ff_msmp4_mb_i_table[0][0], 4, 2, 536); INIT_VLC_STATIC(&ff_inter_intra_vlc, INTER_INTRA_VLC_BITS, 4, &table_inter_intra[0][1], 2, 1, &table_inter_intra[0][0], 2, 1, 8); } switch(s->msmpeg4_version){ case 1: case 2: s->decode_mb= msmpeg4v12_decode_mb; break; case 3: case 4: s->decode_mb= msmpeg4v34_decode_mb; break; case 5: if (CONFIG_WMV2_DECODER) s->decode_mb= ff_wmv2_decode_mb; case 6:  