331     RK_S32 water_level = 0;  in bits_model_preset()  local
338         water_level = ctx->watl_thrd - ctx->bit_per_frame;  in bits_model_preset()
340         water_level = preset_bit + ctx->stat_watl - ctx->bit_per_frame;  in bits_model_preset()
342     if (water_level < 0) {  in bits_model_preset()
343         water_level = 0;  in bits_model_preset()
345     ctx->stat_watl = water_level;  in bits_model_preset()
389     RK_S32 water_level = 0;  in bits_model_update()  local
398         water_level = ctx->watl_thrd - ctx->bit_per_frame;  in bits_model_update()
400         water_level = real_bit + ctx->stat_watl - ctx->bit_per_frame;  in bits_model_update()
402     if (water_level < 0)  in bits_model_update()
403         water_level = 0;  in bits_model_update()
405     ctx->stat_watl = water_level;  in bits_model_update()
715     RK_S32 water_level = 0;  in reenc_calc_cbr_ratio()  local
729         water_level = p->watl_thrd - p->bit_per_frame;  in reenc_calc_cbr_ratio()
731         water_level = real_bit + p->stat_watl - p->bit_per_frame;  in reenc_calc_cbr_ratio()
733     if (water_level < 0) {  in reenc_calc_cbr_ratio()
734         water_level = 0;  in reenc_calc_cbr_ratio()
750     wl_ratio = 32 * (water_level - p->watl_base) /  p->watl_base;  in reenc_calc_cbr_ratio()