libavcodec/mpegvideo_enc.c:1713: error: Buffer Overrun L2
  Offset: [min(1, `s->qscale`), max(31, `s->qscale`)] Size: 13 by call to `mpeg1_encode_mb`.

libavcodec/mpegvideo_enc.c:1457:1: Parameter `s->qscale`
1455. }
1456. 
1457. static av_always_inline void encode_mb_internal(MpegEncContext *s, int motion_x, int motion_y, int mb_block_height, int mb_block_count)
      ^
1458. {
1459.     int16_t weight[8][64];

libavcodec/mpegvideo_enc.c:1713:13: Call
1711.     case CODEC_ID_MPEG2VIDEO:
1712.         if (ENABLE_MPEG1VIDEO_ENCODER || ENABLE_MPEG2VIDEO_ENCODER)
1713.             mpeg1_encode_mb(s, s->block, motion_x, motion_y);
                  ^
1714.         break;
1715.     case CODEC_ID_MPEG4:

libavcodec/mpeg12enc.c:660:1: Parameter `s->qscale`
  658. }
  659. 
  660. void mpeg1_encode_mb(MpegEncContext *s, DCTELEM block[6][64], int motion_x, int motion_y)
       ^
  661. {
  662.     if (s->chroma_format == CHROMA_420) mpeg1_encode_mb_internal(s, block, motion_x, motion_y, 6);

libavcodec/mpeg12enc.c:663:41: Call
  661. {
  662.     if (s->chroma_format == CHROMA_420) mpeg1_encode_mb_internal(s, block, motion_x, motion_y, 6);
  663.     else                                mpeg1_encode_mb_internal(s, block, motion_x, motion_y, 8);
                                               ^
  664. }
  665. 

libavcodec/mpeg12enc.c:435:1: Parameter `s->qscale`
    433. }
    434. 
    435. static av_always_inline void mpeg1_encode_mb_internal(MpegEncContext *s,
         ^
    436.                                                    DCTELEM block[6][64],
    437.                                                    int motion_x, int motion_y,

libavcodec/mpeg12enc.c:477:17: Call
    475.             if(s->dquant && cbp){
    476.                 put_mb_modes(s, 2, 1, 0, 0); /* macroblock_type : macroblock_quant = 1 */
    477.                 put_qscale(s);
                         ^
    478.             }else{
    479.                 put_mb_modes(s, 1, 1, 0, 0); /* macroblock_type : macroblock_quant = 0 */

libavcodec/mpeg12enc.c:319:1: <Offset trace>
317. }
318. 
319. static av_always_inline void put_qscale(MpegEncContext *s)
     ^
320. {
321.     if(s->q_scale_type){

libavcodec/mpeg12enc.c:319:1: Parameter `s->qscale`
      317. }
      318. 
      319. static av_always_inline void put_qscale(MpegEncContext *s)
           ^
      320. {
      321.     if(s->q_scale_type){

libavcodec/mpeg12enc.c:37:1: <Length trace>
35. 
36. 
37. static const uint8_t inv_non_linear_qscale[13] = {
    ^
38.     0, 2, 4, 6, 8,
39.     9,10,11,12,13,14,15,16,

libavcodec/mpeg12enc.c:37:1: Array declaration
      35. 
      36. 
      37. static const uint8_t inv_non_linear_qscale[13] = {
          ^
      38.     0, 2, 4, 6, 8,
      39.     9,10,11,12,13,14,15,16,

libavcodec/mpeg12enc.c:323:29: Array access: Offset: [min(1, s->qscale), max(31, s->qscale)] Size: 13 by call to `mpeg1_encode_mb` 
      321.     if(s->q_scale_type){
      322.         assert(s->qscale>=1 && s->qscale <=12);
      323.         put_bits(&s->pb, 5, inv_non_linear_qscale[s->qscale]);
                                       ^
      324.     }else{
      325.         put_bits(&s->pb, 5, s->qscale);

static av_always_inline void put_qscale(MpegEncContext *s)
{
    if(s->q_scale_type){
        assert(s->qscale>=1 && s->qscale <=12);
        put_bits(&s->pb, 5, inv_non_linear_qscale[s->qscale]);
    }else{
        put_bits(&s->pb, 5, s->qscale);
    }
}
['static av_always_inline void encode_mb_internal(MpegEncContext *s, int motion_x, int motion_y, int mb_block_height, int mb_block_count)\n{\n    int16_t weight[8][64];\n    DCTELEM orig[8][64];\n    const int mb_x= s->mb_x;\n    const int mb_y= s->mb_y;\n    int i;\n    int skip_dct[8];\n    int dct_offset   = s->linesize*8;\n    uint8_t *ptr_y, *ptr_cb, *ptr_cr;\n    int wrap_y, wrap_c;\n    for(i=0; i<mb_block_count; i++) skip_dct[i]=s->skipdct;\n    if(s->adaptive_quant){\n        const int last_qp= s->qscale;\n        const int mb_xy= mb_x + mb_y*s->mb_stride;\n        s->lambda= s->lambda_table[mb_xy];\n        update_qscale(s);\n        if(!(s->flags&CODEC_FLAG_QP_RD)){\n            s->qscale= s->current_picture_ptr->qscale_table[mb_xy];\n            s->dquant= s->qscale - last_qp;\n            if(s->out_format==FMT_H263){\n                s->dquant= av_clip(s->dquant, -2, 2);\n                if(s->codec_id==CODEC_ID_MPEG4){\n                    if(!s->mb_intra){\n                        if(s->pict_type == FF_B_TYPE){\n                            if(s->dquant&1 || s->mv_dir&MV_DIRECT)\n                                s->dquant= 0;\n                        }\n                        if(s->mv_type==MV_TYPE_8X8)\n                            s->dquant=0;\n                    }\n                }\n            }\n        }\n        ff_set_qscale(s, last_qp + s->dquant);\n    }else if(s->flags&CODEC_FLAG_QP_RD)\n        ff_set_qscale(s, s->qscale + s->dquant);\n    wrap_y = s->linesize;\n    wrap_c = s->uvlinesize;\n    ptr_y = s->new_picture.data[0] + (mb_y * 16 * wrap_y) + mb_x * 16;\n    ptr_cb = s->new_picture.data[1] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;\n    ptr_cr = s->new_picture.data[2] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;\n    if(mb_x*16+16 > s->width || mb_y*16+16 > s->height){\n        uint8_t *ebuf= s->edge_emu_buffer + 32;\n        ff_emulated_edge_mc(ebuf            , ptr_y , wrap_y,16,16,mb_x*16,mb_y*16, s->width   , s->height);\n        ptr_y= ebuf;\n        ff_emulated_edge_mc(ebuf+18*wrap_y  , ptr_cb, wrap_c, 8, mb_block_height, mb_x*8, mb_y*8, s->width>>1, s->height>>1);\n        ptr_cb= ebuf+18*wrap_y;\n        ff_emulated_edge_mc(ebuf+18*wrap_y+8, ptr_cr, wrap_c, 8, mb_block_height, mb_x*8, mb_y*8, s->width>>1, s->height>>1);\n        ptr_cr= ebuf+18*wrap_y+8;\n    }\n    if (s->mb_intra) {\n        if(s->flags&CODEC_FLAG_INTERLACED_DCT){\n            int progressive_score, interlaced_score;\n            s->interlaced_dct=0;\n            progressive_score= s->dsp.ildct_cmp[4](s, ptr_y           , NULL, wrap_y, 8)\n                              +s->dsp.ildct_cmp[4](s, ptr_y + wrap_y*8, NULL, wrap_y, 8) - 400;\n            if(progressive_score > 0){\n                interlaced_score = s->dsp.ildct_cmp[4](s, ptr_y           , NULL, wrap_y*2, 8)\n                                  +s->dsp.ildct_cmp[4](s, ptr_y + wrap_y  , NULL, wrap_y*2, 8);\n                if(progressive_score > interlaced_score){\n                    s->interlaced_dct=1;\n                    dct_offset= wrap_y;\n                    wrap_y<<=1;\n                    if (s->chroma_format == CHROMA_422)\n                        wrap_c<<=1;\n                }\n            }\n        }\n        s->dsp.get_pixels(s->block[0], ptr_y                 , wrap_y);\n        s->dsp.get_pixels(s->block[1], ptr_y              + 8, wrap_y);\n        s->dsp.get_pixels(s->block[2], ptr_y + dct_offset    , wrap_y);\n        s->dsp.get_pixels(s->block[3], ptr_y + dct_offset + 8, wrap_y);\n        if(s->flags&CODEC_FLAG_GRAY){\n            skip_dct[4]= 1;\n            skip_dct[5]= 1;\n        }else{\n            s->dsp.get_pixels(s->block[4], ptr_cb, wrap_c);\n            s->dsp.get_pixels(s->block[5], ptr_cr, wrap_c);\n            if(!s->chroma_y_shift){\n                s->dsp.get_pixels(s->block[6], ptr_cb + (dct_offset>>1), wrap_c);\n                s->dsp.get_pixels(s->block[7], ptr_cr + (dct_offset>>1), wrap_c);\n            }\n        }\n    }else{\n        op_pixels_func (*op_pix)[4];\n        qpel_mc_func (*op_qpix)[16];\n        uint8_t *dest_y, *dest_cb, *dest_cr;\n        dest_y  = s->dest[0];\n        dest_cb = s->dest[1];\n        dest_cr = s->dest[2];\n        if ((!s->no_rounding) || s->pict_type==FF_B_TYPE){\n            op_pix = s->dsp.put_pixels_tab;\n            op_qpix= s->dsp.put_qpel_pixels_tab;\n        }else{\n            op_pix = s->dsp.put_no_rnd_pixels_tab;\n            op_qpix= s->dsp.put_no_rnd_qpel_pixels_tab;\n        }\n        if (s->mv_dir & MV_DIR_FORWARD) {\n            MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.data, op_pix, op_qpix);\n            op_pix = s->dsp.avg_pixels_tab;\n            op_qpix= s->dsp.avg_qpel_pixels_tab;\n        }\n        if (s->mv_dir & MV_DIR_BACKWARD) {\n            MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.data, op_pix, op_qpix);\n        }\n        if(s->flags&CODEC_FLAG_INTERLACED_DCT){\n            int progressive_score, interlaced_score;\n            s->interlaced_dct=0;\n            progressive_score= s->dsp.ildct_cmp[0](s, dest_y           , ptr_y           , wrap_y, 8)\n                              +s->dsp.ildct_cmp[0](s, dest_y + wrap_y*8, ptr_y + wrap_y*8, wrap_y, 8) - 400;\n            if(s->avctx->ildct_cmp == FF_CMP_VSSE) progressive_score -= 400;\n            if(progressive_score>0){\n                interlaced_score = s->dsp.ildct_cmp[0](s, dest_y           , ptr_y           , wrap_y*2, 8)\n                                  +s->dsp.ildct_cmp[0](s, dest_y + wrap_y  , ptr_y + wrap_y  , wrap_y*2, 8);\n                if(progressive_score > interlaced_score){\n                    s->interlaced_dct=1;\n                    dct_offset= wrap_y;\n                    wrap_y<<=1;\n                    if (s->chroma_format == CHROMA_422)\n                        wrap_c<<=1;\n                }\n            }\n        }\n        s->dsp.diff_pixels(s->block[0], ptr_y                 , dest_y                 , wrap_y);\n        s->dsp.diff_pixels(s->block[1], ptr_y              + 8, dest_y              + 8, wrap_y);\n        s->dsp.diff_pixels(s->block[2], ptr_y + dct_offset    , dest_y + dct_offset    , wrap_y);\n        s->dsp.diff_pixels(s->block[3], ptr_y + dct_offset + 8, dest_y + dct_offset + 8, wrap_y);\n        if(s->flags&CODEC_FLAG_GRAY){\n            skip_dct[4]= 1;\n            skip_dct[5]= 1;\n        }else{\n            s->dsp.diff_pixels(s->block[4], ptr_cb, dest_cb, wrap_c);\n            s->dsp.diff_pixels(s->block[5], ptr_cr, dest_cr, wrap_c);\n            if(!s->chroma_y_shift){\n                s->dsp.diff_pixels(s->block[6], ptr_cb + (dct_offset>>1), dest_cb + (dct_offset>>1), wrap_c);\n                s->dsp.diff_pixels(s->block[7], ptr_cr + (dct_offset>>1), dest_cr + (dct_offset>>1), wrap_c);\n            }\n        }\n        if(s->current_picture.mc_mb_var[s->mb_stride*mb_y+ mb_x]<2*s->qscale*s->qscale){\n            if(s->dsp.sad[1](NULL, ptr_y               , dest_y               , wrap_y, 8) < 20*s->qscale) skip_dct[0]= 1;\n            if(s->dsp.sad[1](NULL, ptr_y            + 8, dest_y            + 8, wrap_y, 8) < 20*s->qscale) skip_dct[1]= 1;\n            if(s->dsp.sad[1](NULL, ptr_y +dct_offset   , dest_y +dct_offset   , wrap_y, 8) < 20*s->qscale) skip_dct[2]= 1;\n            if(s->dsp.sad[1](NULL, ptr_y +dct_offset+ 8, dest_y +dct_offset+ 8, wrap_y, 8) < 20*s->qscale) skip_dct[3]= 1;\n            if(s->dsp.sad[1](NULL, ptr_cb              , dest_cb              , wrap_c, 8) < 20*s->qscale) skip_dct[4]= 1;\n            if(s->dsp.sad[1](NULL, ptr_cr              , dest_cr              , wrap_c, 8) < 20*s->qscale) skip_dct[5]= 1;\n            if(!s->chroma_y_shift){\n                if(s->dsp.sad[1](NULL, ptr_cb +(dct_offset>>1), dest_cb +(dct_offset>>1), wrap_c, 8) < 20*s->qscale) skip_dct[6]= 1;\n                if(s->dsp.sad[1](NULL, ptr_cr +(dct_offset>>1), dest_cr +(dct_offset>>1), wrap_c, 8) < 20*s->qscale) skip_dct[7]= 1;\n            }\n        }\n    }\n    if(s->avctx->quantizer_noise_shaping){\n        if(!skip_dct[0]) get_visual_weight(weight[0], ptr_y                 , wrap_y);\n        if(!skip_dct[1]) get_visual_weight(weight[1], ptr_y              + 8, wrap_y);\n        if(!skip_dct[2]) get_visual_weight(weight[2], ptr_y + dct_offset    , wrap_y);\n        if(!skip_dct[3]) get_visual_weight(weight[3], ptr_y + dct_offset + 8, wrap_y);\n        if(!skip_dct[4]) get_visual_weight(weight[4], ptr_cb                , wrap_c);\n        if(!skip_dct[5]) get_visual_weight(weight[5], ptr_cr                , wrap_c);\n        if(!s->chroma_y_shift){\n            if(!skip_dct[6]) get_visual_weight(weight[6], ptr_cb + (dct_offset>>1), wrap_c);\n            if(!skip_dct[7]) get_visual_weight(weight[7], ptr_cr + (dct_offset>>1), wrap_c);\n        }\n        memcpy(orig[0], s->block[0], sizeof(DCTELEM)*64*mb_block_count);\n    }\n    assert(s->out_format!=FMT_MJPEG || s->qscale==8);\n    {\n        for(i=0;i<mb_block_count;i++) {\n            if(!skip_dct[i]){\n                int overflow;\n                s->block_last_index[i] = s->dct_quantize(s, s->block[i], i, s->qscale, &overflow);\n                if (overflow) clip_coeffs(s, s->block[i], s->block_last_index[i]);\n            }else\n                s->block_last_index[i]= -1;\n        }\n        if(s->avctx->quantizer_noise_shaping){\n            for(i=0;i<mb_block_count;i++) {\n                if(!skip_dct[i]){\n                    s->block_last_index[i] = dct_quantize_refine(s, s->block[i], weight[i], orig[i], i, s->qscale);\n                }\n            }\n        }\n        if(s->luma_elim_threshold && !s->mb_intra)\n            for(i=0; i<4; i++)\n                dct_single_coeff_elimination(s, i, s->luma_elim_threshold);\n        if(s->chroma_elim_threshold && !s->mb_intra)\n            for(i=4; i<mb_block_count; i++)\n                dct_single_coeff_elimination(s, i, s->chroma_elim_threshold);\n        if(s->flags & CODEC_FLAG_CBP_RD){\n            for(i=0;i<mb_block_count;i++) {\n                if(s->block_last_index[i] == -1)\n                    s->coded_score[i]= INT_MAX/256;\n            }\n        }\n    }\n    if((s->flags&CODEC_FLAG_GRAY) && s->mb_intra){\n        s->block_last_index[4]=\n        s->block_last_index[5]= 0;\n        s->block[4][0]=\n        s->block[5][0]= (1024 + s->c_dc_scale/2)/ s->c_dc_scale;\n    }\n    if(s->alternate_scan && s->dct_quantize != dct_quantize_c){\n        for(i=0; i<mb_block_count; i++){\n            int j;\n            if(s->block_last_index[i]>0){\n                for(j=63; j>0; j--){\n                    if(s->block[i][ s->intra_scantable.permutated[j] ]) break;\n                }\n                s->block_last_index[i]= j;\n            }\n        }\n    }\n    switch(s->codec_id){\n    case CODEC_ID_MPEG1VIDEO:\n    case CODEC_ID_MPEG2VIDEO:\n        if (ENABLE_MPEG1VIDEO_ENCODER || ENABLE_MPEG2VIDEO_ENCODER)\n            mpeg1_encode_mb(s, s->block, motion_x, motion_y);\n        break;\n    case CODEC_ID_MPEG4:\n        if (ENABLE_MPEG4_ENCODER)\n            mpeg4_encode_mb(s, s->block, motion_x, motion_y);\n        break;\n    case CODEC_ID_MSMPEG4V2:\n    case CODEC_ID_MSMPEG4V3:\n    case CODEC_ID_WMV1:\n        if (ENABLE_MSMPEG4_ENCODER)\n            msmpeg4_encode_mb(s, s->block, motion_x, motion_y);\n        break;\n    case CODEC_ID_WMV2:\n        if (ENABLE_WMV2_ENCODER)\n            ff_wmv2_encode_mb(s, s->block, motion_x, motion_y);\n        break;\n    case CODEC_ID_H261:\n        if (ENABLE_H261_ENCODER)\n            ff_h261_encode_mb(s, s->block, motion_x, motion_y);\n        break;\n    case CODEC_ID_H263:\n    case CODEC_ID_H263P:\n    case CODEC_ID_FLV1:\n    case CODEC_ID_RV10:\n    case CODEC_ID_RV20:\n        if (ENABLE_H263_ENCODER || ENABLE_H263P_ENCODER ||\n            ENABLE_FLV_ENCODER  || ENABLE_RV10_ENCODER  || ENABLE_RV20_ENCODER)\n            h263_encode_mb(s, s->block, motion_x, motion_y);\n        break;\n    case CODEC_ID_MJPEG:\n        if (ENABLE_MJPEG_ENCODER)\n            ff_mjpeg_encode_mb(s, s->block);\n        break;\n    default:\n        assert(0);\n    }\n}', 'void mpeg1_encode_mb(MpegEncContext *s, DCTELEM block[6][64], int motion_x, int motion_y)\n{\n    if (s->chroma_format == CHROMA_420) mpeg1_encode_mb_internal(s, block, motion_x, motion_y, 6);\n    else                                mpeg1_encode_mb_internal(s, block, motion_x, motion_y, 8);\n}', 'static av_always_inline void mpeg1_encode_mb_internal(MpegEncContext *s,\n                                                   DCTELEM block[6][64],\n                                                   int motion_x, int motion_y,\n                                                   int mb_block_count)\n{\n    int i, cbp;\n    const int mb_x = s->mb_x;\n    const int mb_y = s->mb_y;\n    const int first_mb= mb_x == s->resync_mb_x && mb_y == s->resync_mb_y;\n    cbp = 0;\n    for(i=0;i<mb_block_count;i++) {\n        if (s->block_last_index[i] >= 0)\n            cbp |= 1 << (mb_block_count - 1 - i);\n    }\n    if (cbp == 0 && !first_mb && s->mv_type == MV_TYPE_16X16 &&\n        (mb_x != s->mb_width - 1 || (mb_y != s->mb_height - 1 && s->codec_id == CODEC_ID_MPEG1VIDEO)) &&\n        ((s->pict_type == FF_P_TYPE && (motion_x | motion_y) == 0) ||\n        (s->pict_type == FF_B_TYPE && s->mv_dir == s->last_mv_dir && (((s->mv_dir & MV_DIR_FORWARD) ? ((s->mv[0][0][0] - s->last_mv[0][0][0])|(s->mv[0][0][1] - s->last_mv[0][0][1])) : 0) |\n        ((s->mv_dir & MV_DIR_BACKWARD) ? ((s->mv[1][0][0] - s->last_mv[1][0][0])|(s->mv[1][0][1] - s->last_mv[1][0][1])) : 0)) == 0))) {\n        s->mb_skip_run++;\n        s->qscale -= s->dquant;\n        s->skip_count++;\n        s->misc_bits++;\n        s->last_bits++;\n        if(s->pict_type == FF_P_TYPE){\n            s->last_mv[0][1][0]= s->last_mv[0][0][0]=\n            s->last_mv[0][1][1]= s->last_mv[0][0][1]= 0;\n        }\n    } else {\n        if(first_mb){\n            assert(s->mb_skip_run == 0);\n            encode_mb_skip_run(s, s->mb_x);\n        }else{\n            encode_mb_skip_run(s, s->mb_skip_run);\n        }\n        if (s->pict_type == FF_I_TYPE) {\n            if(s->dquant && cbp){\n                put_mb_modes(s, 2, 1, 0, 0);\n                put_qscale(s);\n            }else{\n                put_mb_modes(s, 1, 1, 0, 0);\n                s->qscale -= s->dquant;\n            }\n            s->misc_bits+= get_bits_diff(s);\n            s->i_count++;\n        } else if (s->mb_intra) {\n            if(s->dquant && cbp){\n                put_mb_modes(s, 6, 0x01, 0, 0);\n                put_qscale(s);\n            }else{\n                put_mb_modes(s, 5, 0x03, 0, 0);\n                s->qscale -= s->dquant;\n            }\n            s->misc_bits+= get_bits_diff(s);\n            s->i_count++;\n            memset(s->last_mv, 0, sizeof(s->last_mv));\n        } else if (s->pict_type == FF_P_TYPE) {\n            if(s->mv_type == MV_TYPE_16X16){\n                if (cbp != 0) {\n                    if ((motion_x|motion_y) == 0) {\n                        if(s->dquant){\n                            put_mb_modes(s, 5, 1, 0, 0);\n                            put_qscale(s);\n                        }else{\n                            put_mb_modes(s, 2, 1, 0, 0);\n                        }\n                        s->misc_bits+= get_bits_diff(s);\n                    } else {\n                        if(s->dquant){\n                            put_mb_modes(s, 5, 2, 1, 0);\n                            put_qscale(s);\n                        }else{\n                            put_mb_modes(s, 1, 1, 1, 0);\n                        }\n                        s->misc_bits+= get_bits_diff(s);\n                        mpeg1_encode_motion(s, motion_x - s->last_mv[0][0][0], s->f_code);\n                        mpeg1_encode_motion(s, motion_y - s->last_mv[0][0][1], s->f_code);\n                        s->mv_bits+= get_bits_diff(s);\n                    }\n                } else {\n                    put_bits(&s->pb, 3, 1);\n                    if (!s->frame_pred_frame_dct)\n                        put_bits(&s->pb, 2, 2);\n                    s->misc_bits+= get_bits_diff(s);\n                    mpeg1_encode_motion(s, motion_x - s->last_mv[0][0][0], s->f_code);\n                    mpeg1_encode_motion(s, motion_y - s->last_mv[0][0][1], s->f_code);\n                    s->qscale -= s->dquant;\n                    s->mv_bits+= get_bits_diff(s);\n                }\n                s->last_mv[0][1][0]= s->last_mv[0][0][0]= motion_x;\n                s->last_mv[0][1][1]= s->last_mv[0][0][1]= motion_y;\n            }else{\n                assert(!s->frame_pred_frame_dct && s->mv_type == MV_TYPE_FIELD);\n                if (cbp) {\n                    if(s->dquant){\n                        put_mb_modes(s, 5, 2, 1, 1);\n                        put_qscale(s);\n                    }else{\n                        put_mb_modes(s, 1, 1, 1, 1);\n                    }\n                } else {\n                    put_bits(&s->pb, 3, 1);\n                    put_bits(&s->pb, 2, 1);\n                    s->qscale -= s->dquant;\n                }\n                s->misc_bits+= get_bits_diff(s);\n                for(i=0; i<2; i++){\n                    put_bits(&s->pb, 1, s->field_select[0][i]);\n                    mpeg1_encode_motion(s, s->mv[0][i][0] -  s->last_mv[0][i][0]    , s->f_code);\n                    mpeg1_encode_motion(s, s->mv[0][i][1] - (s->last_mv[0][i][1]>>1), s->f_code);\n                    s->last_mv[0][i][0]=   s->mv[0][i][0];\n                    s->last_mv[0][i][1]= 2*s->mv[0][i][1];\n                }\n                s->mv_bits+= get_bits_diff(s);\n            }\n            if(cbp) {\n                if (s->chroma_y_shift) {\n                    put_bits(&s->pb, ff_mpeg12_mbPatTable[cbp][1], ff_mpeg12_mbPatTable[cbp][0]);\n                } else {\n                    put_bits(&s->pb, ff_mpeg12_mbPatTable[cbp>>2][1], ff_mpeg12_mbPatTable[cbp>>2][0]);\n                    put_bits(&s->pb, 2, cbp & 3);\n                }\n            }\n            s->f_count++;\n        } else{\n            if(s->mv_type == MV_TYPE_16X16){\n                if (cbp){\n                    if (s->dquant) {\n                        if(s->mv_dir == MV_DIR_FORWARD)\n                            put_mb_modes(s, 6, 3, 1, 0);\n                        else\n                            put_mb_modes(s, 8-s->mv_dir, 2, 1, 0);\n                        put_qscale(s);\n                    } else {\n                        put_mb_modes(s, 5-s->mv_dir, 3, 1, 0);\n                    }\n                }else{\n                    put_bits(&s->pb, 5-s->mv_dir, 2);\n                    if (!s->frame_pred_frame_dct)\n                        put_bits(&s->pb, 2, 2);\n                    s->qscale -= s->dquant;\n                }\n                s->misc_bits += get_bits_diff(s);\n                if (s->mv_dir&MV_DIR_FORWARD){\n                    mpeg1_encode_motion(s, s->mv[0][0][0] - s->last_mv[0][0][0], s->f_code);\n                    mpeg1_encode_motion(s, s->mv[0][0][1] - s->last_mv[0][0][1], s->f_code);\n                    s->last_mv[0][0][0]=s->last_mv[0][1][0]= s->mv[0][0][0];\n                    s->last_mv[0][0][1]=s->last_mv[0][1][1]= s->mv[0][0][1];\n                    s->f_count++;\n                }\n                if (s->mv_dir&MV_DIR_BACKWARD){\n                    mpeg1_encode_motion(s, s->mv[1][0][0] - s->last_mv[1][0][0], s->b_code);\n                    mpeg1_encode_motion(s, s->mv[1][0][1] - s->last_mv[1][0][1], s->b_code);\n                    s->last_mv[1][0][0]=s->last_mv[1][1][0]= s->mv[1][0][0];\n                    s->last_mv[1][0][1]=s->last_mv[1][1][1]= s->mv[1][0][1];\n                    s->b_count++;\n                }\n            }else{\n                assert(s->mv_type == MV_TYPE_FIELD);\n                assert(!s->frame_pred_frame_dct);\n                if (cbp){\n                    if (s->dquant) {\n                        if(s->mv_dir == MV_DIR_FORWARD)\n                            put_mb_modes(s, 6, 3, 1, 1);\n                        else\n                            put_mb_modes(s, 8-s->mv_dir, 2, 1, 1);\n                        put_qscale(s);\n                    } else {\n                        put_mb_modes(s, 5-s->mv_dir, 3, 1, 1);\n                    }\n                }else{\n                    put_bits(&s->pb, 5-s->mv_dir, 2);\n                    put_bits(&s->pb, 2, 1);\n                    s->qscale -= s->dquant;\n                }\n                s->misc_bits += get_bits_diff(s);\n                if (s->mv_dir&MV_DIR_FORWARD){\n                    for(i=0; i<2; i++){\n                        put_bits(&s->pb, 1, s->field_select[0][i]);\n                        mpeg1_encode_motion(s, s->mv[0][i][0] -  s->last_mv[0][i][0]    , s->f_code);\n                        mpeg1_encode_motion(s, s->mv[0][i][1] - (s->last_mv[0][i][1]>>1), s->f_code);\n                        s->last_mv[0][i][0]=   s->mv[0][i][0];\n                        s->last_mv[0][i][1]= 2*s->mv[0][i][1];\n                    }\n                    s->f_count++;\n                }\n                if (s->mv_dir&MV_DIR_BACKWARD){\n                    for(i=0; i<2; i++){\n                        put_bits(&s->pb, 1, s->field_select[1][i]);\n                        mpeg1_encode_motion(s, s->mv[1][i][0] -  s->last_mv[1][i][0]    , s->b_code);\n                        mpeg1_encode_motion(s, s->mv[1][i][1] - (s->last_mv[1][i][1]>>1), s->b_code);\n                        s->last_mv[1][i][0]=   s->mv[1][i][0];\n                        s->last_mv[1][i][1]= 2*s->mv[1][i][1];\n                    }\n                    s->b_count++;\n                }\n            }\n            s->mv_bits += get_bits_diff(s);\n            if(cbp) {\n                if (s->chroma_y_shift) {\n                    put_bits(&s->pb, ff_mpeg12_mbPatTable[cbp][1], ff_mpeg12_mbPatTable[cbp][0]);\n                } else {\n                    put_bits(&s->pb, ff_mpeg12_mbPatTable[cbp>>2][1], ff_mpeg12_mbPatTable[cbp>>2][0]);\n                    put_bits(&s->pb, 2, cbp & 3);\n                }\n            }\n        }\n        for(i=0;i<mb_block_count;i++) {\n            if (cbp & (1 << (mb_block_count - 1 - i))) {\n                mpeg1_encode_block(s, block[i], i);\n            }\n        }\n        s->mb_skip_run = 0;\n        if(s->mb_intra)\n            s->i_tex_bits+= get_bits_diff(s);\n        else\n            s->p_tex_bits+= get_bits_diff(s);\n    }\n}', 'static av_always_inline void put_qscale(MpegEncContext *s)\n{\n    if(s->q_scale_type){\n        assert(s->qscale>=1 && s->qscale <=12);\n        put_bits(&s->pb, 5, inv_non_linear_qscale[s->qscale]);\n    }else{\n        put_bits(&s->pb, 5, s->qscale);\n    }\n}']