112 static inline RK_S32 m2vd_get_readbits(BitReadCtx_t *bx)  in m2vd_get_readbits()  argument
114     return bx->used_bits;  in m2vd_get_readbits()
117 static inline RK_S32 m2vd_get_leftbits(BitReadCtx_t *bx)  in m2vd_get_leftbits()  argument
119     return  (bx->bytes_left_ * 8 + bx->num_remaining_bits_in_curr_byte_);  in m2vd_get_leftbits()
122 static RK_S32 m2vd_read_bits(BitReadCtx_t *bx, RK_U32 bits)  in m2vd_read_bits()  argument
126         mpp_read_bits(bx, bits, &ret);  in m2vd_read_bits()
128         mpp_read_longbits(bx, bits, (RK_U32 *)&ret);  in m2vd_read_bits()
132 static RK_S32 m2vd_show_bits(BitReadCtx_t *bx, RK_U32 bits)  in m2vd_show_bits()  argument
135     mpp_show_bits(bx, bits, &ret);  in m2vd_show_bits()
567 static RK_U32 m2vd_search_header(BitReadCtx_t *bx)  in m2vd_search_header()  argument
569     mpp_align_get_bits(bx);  in m2vd_search_header()
570     while (m2vd_show_bits(bx, 24) != 0x01) {  in m2vd_search_header()
571         mpp_skip_bits(bx, 8);  in m2vd_search_header()
572         if (m2vd_get_leftbits(bx) < 32) {  in m2vd_search_header()
574                 mpp_log("[m2v]: seach_header: str.leftbit()[%d] < 32", m2vd_get_leftbits(bx));  in m2vd_search_header()
579     return m2vd_show_bits(bx, 32);  in m2vd_search_header()
584     BitReadCtx_t *bx = ctx->bitread_ctx;  in m2vd_decode_seq_ext_header()  local
587     ctx->seq_ext_head.profile_and_level_indication = m2vd_read_bits(bx, 8);  in m2vd_decode_seq_ext_header()
588     ctx->seq_ext_head.progressive_sequence         = m2vd_read_bits(bx, 1);  in m2vd_decode_seq_ext_header()
589     ctx->seq_ext_head.chroma_format                = m2vd_read_bits(bx, 2);  in m2vd_decode_seq_ext_header()
592     ctx->seq_ext_head.horizontal_size_extension    = m2vd_read_bits(bx, 2);  in m2vd_decode_seq_ext_header()
593     ctx->seq_ext_head.vertical_size_extension      = m2vd_read_bits(bx, 2);  in m2vd_decode_seq_ext_header()
594     ctx->seq_ext_head.bit_rate_extension           = m2vd_read_bits(bx, 12);  in m2vd_decode_seq_ext_header()
595     mpp_skip_bits(bx, 1);  in m2vd_decode_seq_ext_header()
596     ctx->seq_ext_head.vbv_buffer_size_extension    = m2vd_read_bits(bx, 8);  in m2vd_decode_seq_ext_header()
597     ctx->seq_ext_head.low_delay                    = m2vd_read_bits(bx, 1);  in m2vd_decode_seq_ext_header()
598     ctx->seq_ext_head.frame_rate_extension_n       = m2vd_read_bits(bx, 2);  in m2vd_decode_seq_ext_header()
599     ctx->seq_ext_head.frame_rate_extension_d       = m2vd_read_bits(bx, 5);  in m2vd_decode_seq_ext_header()
610     BitReadCtx_t *bx = ctx->bitread_ctx;  in m2vd_decode_seqdisp_ext_header()  local
611     ctx->seq_disp_ext_head.video_format      = m2vd_read_bits(bx, 3);  in m2vd_decode_seqdisp_ext_header()
612     ctx->seq_disp_ext_head.color_description = m2vd_read_bits(bx, 1);  in m2vd_decode_seqdisp_ext_header()
615         ctx->seq_disp_ext_head.color_primaries          = m2vd_read_bits(bx, 8);  in m2vd_decode_seqdisp_ext_header()
616         ctx->seq_disp_ext_head.transfer_characteristics = m2vd_read_bits(bx, 8);  in m2vd_decode_seqdisp_ext_header()
617         ctx->seq_disp_ext_head.matrix_coefficients      = m2vd_read_bits(bx, 8);  in m2vd_decode_seqdisp_ext_header()
620     m2vd_read_bits(bx, 14);  in m2vd_decode_seqdisp_ext_header()
621     mpp_skip_bits(bx, 1);  in m2vd_decode_seqdisp_ext_header()
622     m2vd_read_bits(bx, 14);  in m2vd_decode_seqdisp_ext_header()
633     BitReadCtx_t *bx = ctx->bitread_ctx;  in m2vd_decode_matrix_ext_header()  local
635     load_intra_quantizer_matrix = m2vd_read_bits(bx, 1);  in m2vd_decode_matrix_ext_header()
638             ctx->seq_head.pIntra_table[scanOrder[0][i]] = (unsigned char)m2vd_read_bits(bx, 8);  in m2vd_decode_matrix_ext_header()
641     load_non_intra_quantizer_matrix = m2vd_read_bits(bx, 1);  in m2vd_decode_matrix_ext_header()
644             ctx->seq_head.pInter_table[scanOrder[0][i]] = (unsigned char)m2vd_read_bits(bx, 8);  in m2vd_decode_matrix_ext_header()
646     load_chroma_intra_quantizer_matrix = m2vd_read_bits(bx, 1);  in m2vd_decode_matrix_ext_header()
650     load_chroma_non_intra_quantizer_matrix = m2vd_read_bits(bx, 1);  in m2vd_decode_matrix_ext_header()
668     BitReadCtx_t *bx = ctx->bitread_ctx;  in m2vd_decode_scalable_ext_header()  local
677     scalable_mode = m2vd_read_bits(bx, 2) + 1; /* add 1 to make SC_DP != SC_NONE */  in m2vd_decode_scalable_ext_header()
679     layer_id = m2vd_read_bits(bx, 4);  in m2vd_decode_scalable_ext_header()
682         lower_layer_prediction_horizontal_size = m2vd_read_bits(bx, 14);  in m2vd_decode_scalable_ext_header()
683         mpp_skip_bits(bx, 1);  in m2vd_decode_scalable_ext_header()
684         lower_layer_prediction_vertical_size   = m2vd_read_bits(bx, 14);  in m2vd_decode_scalable_ext_header()
685         horizontal_subsampling_factor_m        = m2vd_read_bits(bx, 5);  in m2vd_decode_scalable_ext_header()
686         horizontal_subsampling_factor_n        = m2vd_read_bits(bx, 5);  in m2vd_decode_scalable_ext_header()
687         vertical_subsampling_factor_m          = m2vd_read_bits(bx, 5);  in m2vd_decode_scalable_ext_header()
688         vertical_subsampling_factor_n          = m2vd_read_bits(bx, 5);  in m2vd_decode_scalable_ext_header()
710     BitReadCtx_t *bx = ctx->bitread_ctx;  in m2vd_decode_picdisp_ext_header()  local
737         ctx->pic_disp_ext_head.frame_center_horizontal_offset[i] = m2vd_read_bits(bx, 16);  in m2vd_decode_picdisp_ext_header()
738         mpp_skip_bits(bx, 1);  in m2vd_decode_picdisp_ext_header()
740         ctx->pic_disp_ext_head.frame_center_vertical_offset[i]   = m2vd_read_bits(bx, 16);  in m2vd_decode_picdisp_ext_header()
741         mpp_skip_bits(bx, 1);  in m2vd_decode_picdisp_ext_header()
755     BitReadCtx_t *bx = ctx->bitread_ctx;  in m2vd_decode_spatial_ext_header()  local
757     lower_layer_temporal_reference = m2vd_read_bits(bx, 10);  in m2vd_decode_spatial_ext_header()
758     mpp_skip_bits(bx, 1);  in m2vd_decode_spatial_ext_header()
759     lower_layer_horizontal_offset = m2vd_read_bits(bx, 15);  in m2vd_decode_spatial_ext_header()
762     mpp_skip_bits(bx, 1);  in m2vd_decode_spatial_ext_header()
763     lower_layer_vertical_offset = m2vd_read_bits(bx, 15);  in m2vd_decode_spatial_ext_header()
766     spatial_temporal_weight_code_table_index = m2vd_read_bits(bx, 2);  in m2vd_decode_spatial_ext_header()
767     lower_layer_progressive_frame = m2vd_read_bits(bx, 1);  in m2vd_decode_spatial_ext_header()
768     lower_layer_deinterlaced_field_select = m2vd_read_bits(bx, 1);  in m2vd_decode_spatial_ext_header()
781     BitReadCtx_t *bx = ctx->bitread_ctx;  in m2vd_decode_pic_ext_header()  local
782     ctx->pic_code_ext_head.f_code[0][0] = m2vd_read_bits(bx, 4);  in m2vd_decode_pic_ext_header()
783     ctx->pic_code_ext_head.f_code[0][1] = m2vd_read_bits(bx, 4);  in m2vd_decode_pic_ext_header()
784     ctx->pic_code_ext_head.f_code[1][0] = m2vd_read_bits(bx, 4);  in m2vd_decode_pic_ext_header()
785     ctx->pic_code_ext_head.f_code[1][1] = m2vd_read_bits(bx, 4);  in m2vd_decode_pic_ext_header()
793     ctx->pic_code_ext_head.intra_dc_precision         = m2vd_read_bits(bx, 2);  in m2vd_decode_pic_ext_header()
794     ctx->pic_code_ext_head.picture_structure          = m2vd_read_bits(bx, 2);  in m2vd_decode_pic_ext_header()
796         ctx->pic_code_ext_head.top_field_first            = m2vd_read_bits(bx, 1);  in m2vd_decode_pic_ext_header()
798         m2vd_read_bits(bx, 1);  in m2vd_decode_pic_ext_header()
811     ctx->pic_code_ext_head.frame_pred_frame_dct       = m2vd_read_bits(bx, 1);  in m2vd_decode_pic_ext_header()
812     ctx->pic_code_ext_head.concealment_motion_vectors = m2vd_read_bits(bx, 1);  in m2vd_decode_pic_ext_header()
813     ctx->pic_code_ext_head.q_scale_type           = m2vd_read_bits(bx, 1);  in m2vd_decode_pic_ext_header()
814     ctx->pic_code_ext_head.intra_vlc_format           = m2vd_read_bits(bx, 1);  in m2vd_decode_pic_ext_header()
815     ctx->pic_code_ext_head.alternate_scan         = m2vd_read_bits(bx, 1);  in m2vd_decode_pic_ext_header()
816     ctx->pic_code_ext_head.repeat_first_field         = m2vd_read_bits(bx, 1);  in m2vd_decode_pic_ext_header()
817     ctx->pic_code_ext_head.chroma_420_type            = m2vd_read_bits(bx, 1);  in m2vd_decode_pic_ext_header()
818     ctx->pic_code_ext_head.progressive_frame          = m2vd_read_bits(bx, 1);  in m2vd_decode_pic_ext_header()
819     ctx->pic_code_ext_head.composite_display_flag     = m2vd_read_bits(bx, 1);  in m2vd_decode_pic_ext_header()
821         ctx->pic_code_ext_head.v_axis            = m2vd_read_bits(bx, 1);  in m2vd_decode_pic_ext_header()
822         ctx->pic_code_ext_head.field_sequence    = m2vd_read_bits(bx, 3);  in m2vd_decode_pic_ext_header()
823         ctx->pic_code_ext_head.sub_carrier       = m2vd_read_bits(bx, 1);  in m2vd_decode_pic_ext_header()
824         ctx->pic_code_ext_head.burst_amplitude   = m2vd_read_bits(bx, 7);  in m2vd_decode_pic_ext_header()
825         ctx->pic_code_ext_head.sub_carrier_phase = m2vd_read_bits(bx, 8);  in m2vd_decode_pic_ext_header()
844     BitReadCtx_t *bx = ctx->bitread_ctx;  in m2vd_decode_copyright_ext_header()  local
846     copyright_flag =       m2vd_read_bits(bx, 1);  in m2vd_decode_copyright_ext_header()
847     copyright_identifier = m2vd_read_bits(bx, 8);  in m2vd_decode_copyright_ext_header()
848     original_or_copy =     m2vd_read_bits(bx, 1);  in m2vd_decode_copyright_ext_header()
851     reserved_data = m2vd_read_bits(bx, 7);  in m2vd_decode_copyright_ext_header()
853     mpp_skip_bits(bx, 1);  in m2vd_decode_copyright_ext_header()
854     copyright_number_1 =   m2vd_read_bits(bx, 20);  in m2vd_decode_copyright_ext_header()
855     mpp_skip_bits(bx, 1);  in m2vd_decode_copyright_ext_header()
856     copyright_number_2 =   m2vd_read_bits(bx, 22);  in m2vd_decode_copyright_ext_header()
857     mpp_skip_bits(bx, 1);  in m2vd_decode_copyright_ext_header()
858     copyright_number_3 =   m2vd_read_bits(bx, 22);  in m2vd_decode_copyright_ext_header()
876     BitReadCtx_t *bx = ctx->bitread_ctx;  in m2vd_decode_ext_header()  local
878     code = m2vd_search_header(bx);  in m2vd_decode_ext_header()
885             mpp_skip_bits(bx, 32);  in m2vd_decode_ext_header()
886             ext_ID = m2vd_read_bits(bx, 4);  in m2vd_decode_ext_header()
930             mpp_skip_bits(bx, 32);  in m2vd_decode_ext_header()
932         code = m2vd_search_header(bx);  in m2vd_decode_ext_header()
940     BitReadCtx_t *bx = ctx->bitread_ctx;  in m2vd_decode_gop_header()  local
942     ctx->gop_head.drop_flag   = m2vd_read_bits(bx, 1);  in m2vd_decode_gop_header()
943     ctx->gop_head.hour        = m2vd_read_bits(bx, 5);  in m2vd_decode_gop_header()
944     ctx->gop_head.minute      = m2vd_read_bits(bx, 6);  in m2vd_decode_gop_header()
946     mpp_skip_bits(bx, 1);  in m2vd_decode_gop_header()
948     ctx->gop_head.sec         = m2vd_read_bits(bx, 6);  in m2vd_decode_gop_header()
949     ctx->gop_head.frame       = m2vd_read_bits(bx, 6);  in m2vd_decode_gop_header()
950     ctx->gop_head.closed_gop  = m2vd_read_bits(bx, 1);  in m2vd_decode_gop_header()
951     ctx->gop_head.broken_link = m2vd_read_bits(bx, 1);  in m2vd_decode_gop_header()
960     BitReadCtx_t *bx = ctx->bitread_ctx;  in m2vd_decode_seq_header()  local
961     RK_U32 width = m2vd_read_bits(bx, 12);  in m2vd_decode_seq_header()
962     RK_U32 height = m2vd_read_bits(bx, 12);  in m2vd_decode_seq_header()
978     ctx->seq_head.aspect_ratio_information = m2vd_read_bits(bx, 4);  in m2vd_decode_seq_header()
979     ctx->seq_head.frame_rate_code = m2vd_read_bits(bx, 4);  in m2vd_decode_seq_header()
982     ctx->seq_head.bit_rate_value = m2vd_read_bits(bx, 18);  in m2vd_decode_seq_header()
983     mpp_skip_bits(bx, 1);  in m2vd_decode_seq_header()
984     ctx->seq_head.vbv_buffer_size = m2vd_read_bits(bx, 10);  in m2vd_decode_seq_header()
985     ctx->seq_head.constrained_parameters_flag = m2vd_read_bits(bx, 1);  in m2vd_decode_seq_header()
986     ctx->seq_head.load_intra_quantizer_matrix = m2vd_read_bits(bx, 1);  in m2vd_decode_seq_header()
989             ctx->seq_head.pIntra_table[scanOrder[0][i]] = (unsigned char)m2vd_read_bits(bx, 8);  in m2vd_decode_seq_header()
995     ctx->seq_head.load_non_intra_quantizer_matrix = m2vd_read_bits(bx, 1);  in m2vd_decode_seq_header()
998             ctx->seq_head.pInter_table[scanOrder[0][i]] = (unsigned char)m2vd_read_bits(bx, 8);  in m2vd_decode_seq_header()
1009     BitReadCtx_t *bx = ctx->bitread_ctx;  in m2vd_extra_bit_information()  local
1010     while (m2vd_read_bits(bx, 1)) {  in m2vd_extra_bit_information()
1011         mpp_skip_bits(bx, 8);  in m2vd_extra_bit_information()
1018     BitReadCtx_t *bx = ctx->bitread_ctx;  in m2vd_decode_pic_header()  local
1019     ctx->pic_head.temporal_reference  = m2vd_read_bits(bx, 10);  in m2vd_decode_pic_header()
1020     ctx->pic_head.picture_coding_type = m2vd_read_bits(bx, 3);  in m2vd_decode_pic_header()
1021     ctx->pic_head.vbv_delay           = m2vd_read_bits(bx, 16);  in m2vd_decode_pic_header()
1033         ctx->pic_head.full_pel_forward_vector = m2vd_read_bits(bx, 1);  in m2vd_decode_pic_header()
1034         ctx->pic_head.forward_f_code = m2vd_read_bits(bx, 3);  in m2vd_decode_pic_header()
1037         ctx->pic_head.full_pel_backward_vector = m2vd_read_bits(bx, 1);  in m2vd_decode_pic_header()
1038         ctx->pic_head.backward_f_code = m2vd_read_bits(bx, 3);  in m2vd_decode_pic_header()
1050     BitReadCtx_t *bx = ctx->bitread_ctx;  in m2vd_decode_head()  local
1054         code = m2vd_search_header(bx);  in m2vd_decode_head()
1060         code = m2vd_read_bits(bx, 32);  in m2vd_decode_head()
1086                 mpp_log("code=%x,leftbit=%d", code, m2vd_get_leftbits(bx));  in m2vd_decode_head()
1345     BitReadCtx_t *bx = p->bitread_ctx;  in m2vd_convert_to_dxva()  local
1349     RK_S32 readbits = m2vd_get_readbits(bx);  in m2vd_convert_to_dxva()